繁體中文
不翻译
简体中文
English
繁體中文
日本語
한국어
切換到窄版

WK綜合論壇, WK综合论坛

 找回密碼
 立即注册
樓主: wk007

鄉下的妹子太便宜,一次四個都要了[12P]

[複製鏈接]
發表於 2025-1-4 03:25:35 | 顯示全部樓層
Sexual Precocity in a 16-Month-Old% k1 D  x9 u: }
Boy Induced by Indirect Topical' m; e! R. i- F9 i, x- c* F/ ~& |
Exposure to Testosterone4 B3 X9 _/ w+ I. v( W/ _8 ^% ~
Samar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2
7 {; k, E0 T" T+ ^and Kenneth R. Rettig, MD1/ q+ r) I0 R6 E+ p* `1 F7 @* a
Clinical Pediatrics2 v3 c" v2 a! c  C# {
Volume 46 Number 6
0 r) Q, x2 M3 z4 P( m3 q( V, MJuly 2007 540-5437 {/ n# n3 h6 B* y
© 2007 Sage Publications5 w/ a0 F( C1 z4 C
10.1177/0009922806296651
8 E; M1 u5 e5 M4 t- K2 a  @) ahttp://clp.sagepub.com
, m0 g/ a( z- W( a/ N9 b& o  Xhosted at- p0 W4 g' B( o2 ^2 c# A
http://online.sagepub.com; j; e  l/ x% E9 F" q  a- z
Precocious puberty in boys, central or peripheral,
" D) S/ ^3 n/ k1 m+ bis a significant concern for physicians. Central) z" B& w  D, I# Y* Z
precocious puberty (CPP), which is mediated6 m& p& @4 A- f: N
through the hypothalamic pituitary gonadal axis, has3 _0 b7 z3 `3 J9 [" s7 p
a higher incidence of organic central nervous system9 O& u: q  A8 }3 Y
lesions in boys.1,2 Virilization in boys, as manifested) b8 \1 j! `- V2 c
by enlargement of the penis, development of pubic
( w. ]% Y6 A, L0 X5 E# |. q$ C6 hhair, and facial acne without enlargement of testi-
2 u" V1 n3 G3 J7 U1 xcles, suggests peripheral or pseudopuberty.1-3 We. S, I2 @. V; h( C0 |* B2 L& u& A
report a 16-month-old boy who presented with the2 R3 M3 R5 a+ i& e, U
enlargement of the phallus and pubic hair develop-
  k8 Q! \7 v4 g, j- x5 k4 Qment without testicular enlargement, which was due# I" y& g) E  i6 g9 G) U
to the unintentional exposure to androgen gel used by/ ~& y8 R& S- R2 {9 M1 g9 M
the father. The family initially concealed this infor-8 S( Z3 K* l  a* Y; f& _  ]. Y
mation, resulting in an extensive work-up for this
& |5 A' M$ ]  {) c6 F- fchild. Given the widespread and easy availability of1 G3 Y* w! h+ o# |. F9 K% U
testosterone gel and cream, we believe this is proba-2 x/ e( l  i/ r7 G) g( b* I
bly more common than the rare case report in the' E% y$ X5 ~9 M3 M, j8 V
literature.44 C7 H. m/ V* m8 w; A. z
Patient Report* k1 e$ ~( z$ n/ m& ~
A 16-month-old white child was referred to the" p' C3 i# ]3 V% C* l1 g! N$ R
endocrine clinic by his pediatrician with the concern0 w2 j+ X( S" x( g5 }. a
of early sexual development. His mother noticed% S& @/ V& o- V4 v# {6 M
light colored pubic hair development when he was* B4 p4 ?6 v" O- A. l
From the 1Division of Pediatric Endocrinology, 2University of
& D( G  Z! z$ b6 c# ~South Alabama Medical Center, Mobile, Alabama.6 r- _: U* |/ w5 \
Address correspondence to: Samar K. Bhowmick, MD, FACE,
0 Q6 v. i  K. x* yProfessor of Pediatrics, University of South Alabama, College of3 s  M6 U- g; w  {6 z2 I
Medicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;. N8 `# B+ l+ n  f: K5 |5 T
e-mail: [email protected].  W9 n0 b' d& ?9 T
about 6 to 7 months old, which progressively became
+ \- G  x3 a4 b: Sdarker. She was also concerned about the enlarge-9 H8 B/ t# A; c! J, r% }
ment of his penis and frequent erections. The child, I+ X0 {: y/ l4 d$ @& W
was the product of a full-term normal delivery, with- t4 R3 A1 O, E2 Q/ ]' b
a birth weight of 7 lb 14 oz, and birth length of6 B. c2 B2 L) C( {1 y" J
20 inches. He was breast-fed throughout the first year
$ c2 i8 t: `* v7 Z  p# Mof life and was still receiving breast milk along with% U0 X2 F. ?( g2 L/ E
solid food. He had no hospitalizations or surgery,
/ b& W" }0 G; X/ R* J$ w0 M/ aand his psychosocial and psychomotor development3 ]% v9 [  H5 M  i" a
was age appropriate.5 h' \$ M4 @: y, B  z0 a
The family history was remarkable for the father,4 R/ u/ u7 H6 b
who was diagnosed with hypothyroidism at age 16,
$ A& k: W0 x$ X6 Bwhich was treated with thyroxine. The father’s
- E- O3 Z% x, `  Z- |$ \height was 6 feet, and he went through a somewhat
$ b" _5 |, ~- q8 r8 ~4 [/ ~early puberty and had stopped growing by age 14.
& J  ^$ p' {$ L8 z' CThe father denied taking any other medication. The
- B2 Q/ O8 m) }" Ichild’s mother was in good health. Her menarche
/ V3 f! s- q2 o0 E" l( W7 lwas at 11 years of age, and her height was at 5 feet# F" @! f) i- \! y" b- ^* b
5 inches. There was no other family history of pre-& \( s, d* _8 t- {# T) x0 \) |
cocious sexual development in the first-degree rela-; ^8 x0 Y* Z, e& c6 ?5 [5 ~5 T# n
tives. There were no siblings.4 a  V, w8 p" g* A0 U$ y
Physical Examination1 t1 U2 P! ~6 q( @2 t- Z
The physical examination revealed a very active,
0 F6 l9 K6 c: G# B  _. ]; Lplayful, and healthy boy. The vital signs documented8 B) _) H0 |" x% N7 C# F' l
a blood pressure of 85/50 mm Hg, his length was
1 X; y/ [! X3 S3 U% S90 cm (>97th percentile), and his weight was 14.4 kg
8 v9 [3 J+ u/ _- F& F3 r+ c(also >97th percentile). The observed yearly growth3 C( {. ?5 s( ~& q  j: r9 [7 j1 R
velocity was 30 cm (12 inches). The examination of- b! j' w  {0 N
the neck revealed no thyroid enlargement.
; v1 U- m% W( E1 eThe genitourinary examination was remarkable for: }. U2 U/ t: m" q4 o  u" j
enlargement of the penis, with a stretched length of
% s1 r& c/ \& l9 ~3 }( k0 V8 cm and a width of 2 cm. The glans penis was very well
/ X% H8 d6 Y- Y7 d; p% ^# F3 Pdeveloped. The pubic hair was Tanner II, mostly around9 s. u8 s5 F9 o" ~. |4 h
540
' H/ X9 g, d1 L4 |# p1 m0 dat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
: O9 L1 ^& O: L% U4 l, i/ ^the base of the phallus and was dark and curled. The5 Y- h7 X$ f2 h! h, r
testicular volume was prepubertal at 2 mL each.' V. d: f" K7 W" Y9 I
The skin was moist and smooth and somewhat6 F3 v" u2 H# A# x
oily. No axillary hair was noted. There were no
- v$ W) U$ e2 |& babnormal skin pigmentations or café-au-lait spots./ ~8 f. a6 L. z7 D: j% W. V- @
Neurologic evaluation showed deep tendon reflex 2+
2 A4 i0 W- D4 q) [. D: @& Pbilateral and symmetrical. There was no suggestion: K% K, C3 c1 U3 Z- |
of papilledema.
& V$ [, J6 f: M/ O1 c+ p! O7 w' |Laboratory Evaluation
7 V3 r5 B% l( J' a, {. rThe bone age was consistent with 28 months by
1 ^% ?+ P  ]" M# K3 }6 X- S- qusing the standard of Greulich and Pyle at a chrono-% P' X1 q9 l- c0 E" d1 `2 F/ D
logic age of 16 months (advanced).5 Chromosomal) J- i+ `1 \* o0 x; E
karyotype was 46XY. The thyroid function test
- k+ d! h, h9 p( d( y7 q( D9 ushowed a free T4 of 1.69 ng/dL, and thyroid stimu-
/ t; y3 z& L. O7 n# Elating hormone level was 1.3 µIU/mL (both normal).
( W/ d3 k! n2 |+ Q0 O( ]0 s7 pThe concentrations of serum electrolytes, blood
5 B4 L$ c/ M% f. C# a$ ~5 Purea nitrogen, creatinine, and calcium all were3 y3 x+ R/ v: o' A& L- _
within normal range for his age. The concentration4 `. e# a: s/ |8 K
of serum 17-hydroxyprogesterone was 16 ng/dL
. E; v- g! U5 X( g& M(normal, 3 to 90 ng/dL), androstenedione was 205 O% U" j* V) h! X# U
ng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-
& |( I" \, N, `terone was 38 ng/dL (normal, 50 to 760 ng/dL),
# Y5 L* N5 A8 D' J6 j3 N2 vdesoxycorticosterone was 4.3 ng/dL (normal, 7 to0 X$ B" b9 q' |$ D
49ng/dL), 11-desoxycortisol (specific compound S)
, f  q5 W3 ^6 P0 uwas 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-: Y) H0 ?5 U  ]  T  [! D& `
tisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total, W7 \7 O! K4 L3 o9 D
testosterone was 60 ng/dL (normal <3 to 10 ng/dL),% O, N0 n! k1 V7 E$ m" ~8 f
and β-human chorionic gonadotropin was less than
- U6 e5 M% c( u. O' ?( ]1 N7 X5 mIU/mL (normal <5 mIU/mL). Serum follicular
" ~2 T2 l. l  N- Z9 g# ]; cstimulating hormone and leuteinizing hormone
3 _9 d( Y9 ~, S* o9 Yconcentrations were less than 0.05 mIU/mL
7 v3 O1 ?2 H  N, W/ r7 J(prepubertal).
; n7 A$ a1 @8 V1 A4 YThe parents were notified about the laboratory
! @8 W- ~1 t* O0 k( H+ d, ]results and were informed that all of the tests were
, ]! R! F, o, znormal except the testosterone level was high. The
7 a1 I. l+ r0 D1 D% q7 V. ]$ Wfollow-up visit was arranged within a few weeks to
0 [0 C5 b' r5 U0 v9 }obtain testicular and abdominal sonograms; how-
. U. g6 ~, X8 m9 q) s/ Dever, the family did not return for 4 months.6 l8 }+ M- i& P, Q
Physical examination at this time revealed that the- S  P+ U' Z- c
child had grown 2.5 cm in 4 months and had gained! A, P# a+ ^: O
2 kg of weight. Physical examination remained
& X( _- z5 i0 _$ _3 v6 munchanged. Surprisingly, the pubic hair almost com-: r- ?. T9 \) Y; f5 O
pletely disappeared except for a few vellous hairs at
8 }7 J  E5 [  g+ F; E9 E3 lthe base of the phallus. Testicular volume was still 20 U. b7 a) p& O0 D  s# L6 u
mL, and the size of the penis remained unchanged.
0 g7 p- _0 `5 i9 YThe mother also said that the boy was no longer hav-4 f! P' p+ h" C' D
ing frequent erections.2 P/ {' V2 E" ]+ F% \
Both parents were again questioned about use of
. R; A+ F( R6 ^$ Z7 |6 Sany ointment/creams that they may have applied to3 L1 Q- M' Z3 y( P4 `0 ~
the child’s skin. This time the father admitted the
" s; q; N# D# k  `5 A: K/ LTopical Testosterone Exposure / Bhowmick et al 541; @& \8 I, b% m: m! n5 g$ A
use of testosterone gel twice daily that he was apply-8 v/ @/ i$ |* g) [$ H+ Z. e
ing over his own shoulders, chest, and back area for
/ t$ A$ i. M8 I( r- @& za year. The father also revealed he was embarrassed  j3 B$ Y( ]% a2 O7 S1 b
to disclose that he was using a testosterone gel pre-
# t; l. D, g  M! c% rscribed by his family physician for decreased libido/ T2 X! h! P9 {" f, e7 q
secondary to depression.
+ ?% L/ ~, q' g% s9 v8 [  i! jThe child slept in the same bed with parents.
2 Z7 ]; q* |" Y2 j1 AThe father would hug the baby and hold him on his9 v% X5 J# P* t  Y4 T, d" G; l+ `1 K
chest for a considerable period of time, causing sig-
1 Q  g4 B4 b8 G3 q* Ynificant bare skin contact between baby and father.$ l9 }. @3 ~! l. ?6 {
The father also admitted that after the phone call,
1 \- M- r7 M& Y! l1 l" l2 \' Pwhen he learned the testosterone level in the baby& f1 G8 x6 q7 Y9 m
was high, he then read the product information* F7 s$ m1 O. i' y5 V  |+ P7 m
packet and concluded that it was most likely the rea-  V# t2 q  p7 L8 G5 ~& y: \
son for the child’s virilization. At that time, they& f7 @7 \; t% u! |! f5 Y5 `" g
decided to put the baby in a separate bed, and the; ?0 p8 j  M2 N' u* k% ]
father was not hugging him with bare skin and had6 x) _9 y. p8 f- C
been using protective clothing. A repeat testosterone
8 O3 ?: N$ K3 |, {% @  ztest was ordered, but the family did not go to the% x' l; {9 ?3 q3 g/ l1 @
laboratory to obtain the test.% N( m, R# n; q" u2 `
Discussion
% o1 I0 }  f$ bPrecocious puberty in boys is defined as secondary
1 l3 h! t5 x5 P  _4 c' `& ~sexual development before 9 years of age.1,41 m  B- }$ ~3 W! y
Precocious puberty is termed as central (true) when7 H9 q7 T* m! z$ J6 C: E7 X* ?
it is caused by the premature activation of hypo-% j( D" `  R6 q' S0 J6 D9 |, z
thalamic pituitary gonadal axis. CPP is more com-9 ~& ~: B' o7 h
mon in girls than in boys.1,3 Most boys with CPP
* E  U7 `, C# q  Gmay have a central nervous system lesion that is
0 R0 B! y0 N% W# b8 n/ N$ g. oresponsible for the early activation of the hypothal-
* d  D8 m0 q2 N+ t  ~  n2 _$ |amic pituitary gonadal axis.1-3 Thus, greater empha-
$ U9 }& ]9 D% u* hsis has been given to neuroradiologic imaging in
) C4 |1 _* ]# H) l2 a5 h% U6 H& Y- xboys with precocious puberty. In addition to viril-
" I& Q2 c( V" @# Vization, the clinical hallmark of CPP is the symmet-9 c' I1 k  w& F8 _) ]
rical testicular growth secondary to stimulation by
! e+ p/ b1 r: mgonadotropins.1,3, d, t" ]( U2 J0 y$ {3 b/ j- ~) [
Gonadotropin-independent peripheral preco-/ _1 g! R4 {' p7 r2 q
cious puberty in boys also results from inappropriate
6 r  ^7 S$ u! g4 A7 B) Nandrogenic stimulation from either endogenous or
8 i7 y* d  M: i1 N; lexogenous sources, nonpituitary gonadotropin stim-
" l9 Q7 z4 ]$ Y6 Fulation, and rare activating mutations.3 Virilizing. @: k0 t" E1 _& U  f5 }
congenital adrenal hyperplasia producing excessive4 P( q  O- I0 t  _; M
adrenal androgens is a common cause of precocious6 \: G9 g/ C3 D3 W' M* m% E
puberty in boys.3,4
2 X& G8 E$ |1 }0 X" {" q$ `' r) IThe most common form of congenital adrenal
2 A- P& D7 z4 h$ Y; A) jhyperplasia is the 21-hydroxylase enzyme deficiency., W4 a( [2 E4 }& l; N0 s
The 11-β hydroxylase deficiency may also result in8 B; M3 n* r8 K+ |; n5 I
excessive adrenal androgen production, and rarely,. J* I( |9 b: p) K. F$ k
an adrenal tumor may also cause adrenal androgen+ d  E. \% N9 S+ P
excess.1,3
# U3 }4 g# S9 n6 L" K, [& pat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from% t- ?, X. V9 k
542 Clinical Pediatrics / Vol. 46, No. 6, July 2007& [8 c' B. k0 w. E* i/ F# s0 M  d
A unique entity of male-limited gonadotropin-! b0 P. k4 u7 x  F8 I5 R- N
independent precocious puberty, which is also known6 S. W* J9 Q0 p' q8 P! g
as testotoxicosis, may cause precocious puberty at a
# {. H6 K+ |5 a4 ~' T& v% Z7 L8 Q$ Avery young age. The physical findings in these boys3 E) \$ I* P' c: B4 r
with this disorder are full pubertal development,* J  c, S0 `: M2 x9 x" r/ Z
including bilateral testicular growth, similar to boys
" w0 n. n4 h0 v; h  L7 t4 I" Hwith CPP. The gonadotropin levels in this disorder; ]; J, A5 H6 C& |& W: j
are suppressed to prepubertal levels and do not show* X% B1 S( u7 v+ ]' n
pubertal response of gonadotropin after gonadotropin-3 [% x6 T) Y/ M! ?+ L* F0 \
releasing hormone stimulation. This is a sex-linked
0 e# R: m& N! c. Uautosomal dominant disorder that affects only
( L+ T* n5 d% v- P+ m3 Cmales; therefore, other male members of the family
; q% K, @+ G6 T& _may have similar precocious puberty.30 u$ t/ i: P2 I) `
In our patient, physical examination was incon-
3 d, ?( I- T6 Rsistent with true precocious puberty since his testi-
' \% T% _/ Z7 G+ H1 F0 ycles were prepubertal in size. However, testotoxicosis
" y. c* {3 H% n6 \9 q9 s3 B1 E* Iwas in the differential diagnosis because his father
' y* P) m9 k  [' \9 I6 D. Qstarted puberty somewhat early, and occasionally,
1 M  l( B+ r: e( r* Utesticular enlargement is not that evident in the
2 q+ c4 I' p  C$ qbeginning of this process.1 In the absence of a neg-' {% {1 i. U5 Q% k+ B" Z1 x- A
ative initial history of androgen exposure, our: b0 E. w2 n+ e9 l6 U
biggest concern was virilizing adrenal hyperplasia,' W& k8 K7 d" ~0 g5 V5 W
either 21-hydroxylase deficiency or 11-β hydroxylase
- P0 k$ U5 p1 M5 Z6 `deficiency. Those diagnoses were excluded by find-
% F3 }" u' R) Zing the normal level of adrenal steroids.$ Z% b. w2 c2 N1 M5 {' g
The diagnosis of exogenous androgens was strongly
/ n; v. X7 ], g3 m' }  g! p; qsuspected in a follow-up visit after 4 months because
; T% N: E1 S' o6 E$ C1 tthe physical examination revealed the complete disap-
& u- ]3 z  B% `0 R7 L8 U- Vpearance of pubic hair, normal growth velocity, and/ O1 v; y2 F$ t& I7 @6 q4 S% P
decreased erections. The father admitted using a testos-) w2 L8 [4 P* r( U* Y
terone gel, which he concealed at first visit. He was
. @" ~+ ?) |* d. Y' Gusing it rather frequently, twice a day. The Physicians’
3 B5 S9 {9 s" y5 X$ uDesk Reference, or package insert of this product, gel or! A. H1 A. Y5 `* {( o" ?$ Z9 T" ~
cream, cautions about dermal testosterone transfer to; h3 k/ m! h. l. [$ E3 m: d
unprotected females through direct skin exposure.
/ X1 V: C- C2 b$ J4 m; uSerum testosterone level was found to be 2 times the! r/ {8 K/ b+ F# S4 Y0 q
baseline value in those females who were exposed to
/ w% O; r* x: I. x$ ^- M) W7 O' Xeven 15 minutes of direct skin contact with their male
* f) F$ A/ p8 g4 y5 U" }partners.6 However, when a shirt covered the applica-
: ?% [+ f8 n% m3 r- j1 D% _tion site, this testosterone transfer was prevented.
/ N7 V, m/ u% F" V0 J) o3 O: ROur patient’s testosterone level was 60 ng/mL,
) |) Q! w+ J8 [which was clearly high. Some studies suggest that
; q) f5 L5 W; ~! Wdermal conversion of testosterone to dihydrotestos-
: M9 T1 [( ]/ I/ E% s' i) Jterone, which is a more potent metabolite, is more
, K& ~& n+ C1 o$ \. Y  tactive in young children exposed to testosterone
4 {! v. t  ^8 h& q1 M: xexogenously7; however, we did not measure a dihy-
: l+ C* I7 L1 N+ N5 zdrotestosterone level in our patient. In addition to
5 k) ~8 T4 w9 i4 Y. rvirilization, exposure to exogenous testosterone in
0 }2 p0 Q. v0 L* u7 u: Kchildren results in an increase in growth velocity and7 [" ~3 H) S; [, u: T: T- ~
advanced bone age, as seen in our patient.+ `' n0 W2 J# t, s9 X4 I
The long-term effect of androgen exposure during: n5 K" k3 V! N# b+ k& i# D3 Z
early childhood on pubertal development and final! N4 [) n' }; Y9 F7 f+ P
adult height are not fully known and always remain* @: w7 K$ o8 P
a concern. Children treated with short-term testos-8 c' P: E3 U% D( r( v# I% V
terone injection or topical androgen may exhibit some
! |8 H* N; `. Y- N% oacceleration of the skeletal maturation; however, after
$ M$ r0 _8 o2 j* k+ X! hcessation of treatment, the rate of bone maturation6 y$ _( d% ?6 Y. Q
decelerates and gradually returns to normal.8,9
; W6 e/ ]8 @# \# f% i0 z: R' aThere are conflicting reports and controversy
. L8 }. n8 F# @0 ^6 |2 s$ u: k" Cover the effect of early androgen exposure on adult
+ L4 p  ~/ S2 epenile length.10,11 Some reports suggest subnormal2 F/ ]- |. Q- I/ d/ [2 M: m5 y
adult penile length, apparently because of downreg-5 K3 k$ I, I6 S/ p4 N
ulation of androgen receptor number.10,12 However,
# e4 H' l' E/ O, c% c0 \' NSutherland et al13 did not find a correlation between2 D1 u% H6 \5 U/ Y* B
childhood testosterone exposure and reduced adult
0 ?9 P0 G7 W# n8 _. I% mpenile length in clinical studies.
& @1 }- b2 w6 |6 S. B" g/ YNonetheless, we do not believe our patient is
% b7 U- }" F! A1 R, q& igoing to experience any of the untoward effects from* a0 V) r. G8 A, l5 p
testosterone exposure as mentioned earlier because
4 J& E/ m2 f+ Z- T6 f% W; \the exposure was not for a prolonged period of time.' Q: W0 f7 K0 J
Although the bone age was advanced at the time of
* v" k) x; ]5 y3 S* G" Adiagnosis, the child had a normal growth velocity at; H  C+ u3 U9 j  W+ q
the follow-up visit. It is hoped that his final adult
! Z+ R$ _# Y' t! q# ?/ Cheight will not be affected.6 E1 R; p6 o- Y" A/ K! A- V
Although rarely reported, the widespread avail-
1 f! o  X. a2 \8 D( r, u  G% wability of androgen products in our society may" Q1 m4 g) C8 K+ y! [, `
indeed cause more virilization in male or female
& E+ G" |0 j8 s+ E5 mchildren than one would realize. Exposure to andro-
  {. F5 v8 i% @. D1 w' rgen products must be considered and specific ques-
8 @* ?. p& m% R: Gtioning about the use of a testosterone product or/ P7 V5 @& @2 k
gel should be asked of the family members during2 w! y- m% B& i$ j, h
the evaluation of any children who present with vir-
5 a+ ^' U0 q1 F0 w7 y7 oilization or peripheral precocious puberty. The diag-, k1 b- v# a8 j% B) n
nosis can be established by just a few tests and by
& p& P4 X: z) t0 Q1 F2 |  X; E% mappropriate history. The inability to obtain such a
5 m$ }9 w! e) v. Whistory, or failure to ask the specific questions, may
$ w# y$ H$ s( c% kresult in extensive, unnecessary, and expensive
9 f4 |# e# }! z$ l& Z$ X! v2 einvestigation. The primary care physician should be' O* r! g2 u  a( \* u* M' A4 H
aware of this fact, because most of these children
& [% b: Q- u' p* C- Ymay initially present in their practice. The Physicians’7 L3 W0 x( `0 `% M
Desk Reference and package insert should also put a
9 O& _1 A; H  P$ }warning about the virilizing effect on a male or
- g5 Q9 E3 m, gfemale child who might come in contact with some-
, Q: c: M  I# c) @- o0 ^: _) E* p1 m$ yone using any of these products.8 I% u  s( m# G( h& j# e
References
& q  K; S0 [* }1. Styne DM. The testes: disorder of sexual differentiation
2 D6 R6 O; G5 O/ Hand puberty in the male. In: Sperling MA, ed. Pediatric0 _# {' v4 w! G* @5 [
Endocrinology. 2nd ed. Philadelphia, PA: WB Saunders;
5 k3 E8 z, k' |+ v2002: 565-628.
" ^0 e. H& G: A5 `7 A, |9 H2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious
- ]) d& t& J7 z5 mpuberty in children with tumours of the suprasellar pineal
發表於 2025-1-4 03:27:02 | 顯示全部樓層
Sexual Precocity in a 16-Month-Old0 j& c/ k4 }/ k4 y
Boy Induced by Indirect Topical( |; e+ m( j5 k9 N* u
Exposure to Testosterone  l$ P1 c4 _4 S' _1 V# I
Samar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2
1 S) [2 V3 F3 |2 N# T. r; r: tand Kenneth R. Rettig, MD1
& k! ~3 k7 c* r( M( ?Clinical Pediatrics2 @# B; m; |+ A
Volume 46 Number 6
' W8 v3 S3 `. A. S1 M! SJuly 2007 540-543$ B% ]" D" y- @+ r" x) h3 W
© 2007 Sage Publications
- H& @2 e& n7 X10.1177/0009922806296651
  L$ _, M3 ]+ m0 bhttp://clp.sagepub.com
: A4 f- b* x' khosted at
6 m$ `3 d8 H, @* |& _8 F3 Mhttp://online.sagepub.com- g" I' R2 F- _( n3 N- ^9 a
Precocious puberty in boys, central or peripheral,
8 _( ?0 n  I( y) z2 x( Q. C& e! Ais a significant concern for physicians. Central
  D7 |( n9 ~4 {, N: V3 Xprecocious puberty (CPP), which is mediated5 N6 K9 \0 U* L3 ~2 `4 K, t
through the hypothalamic pituitary gonadal axis, has- W3 J! A. p5 F' X
a higher incidence of organic central nervous system
' o7 I# C, p* I3 Rlesions in boys.1,2 Virilization in boys, as manifested
1 I% k' F% c9 g/ J$ }by enlargement of the penis, development of pubic
, b% U8 t' o; t7 J8 mhair, and facial acne without enlargement of testi-
4 F! P& B* V- `3 e' scles, suggests peripheral or pseudopuberty.1-3 We
  b5 S/ E; G$ a/ y0 j0 @! Mreport a 16-month-old boy who presented with the
/ @7 {+ X% H1 `enlargement of the phallus and pubic hair develop-
5 B6 o5 W$ N% R1 h6 D+ ^ment without testicular enlargement, which was due, e$ u# |8 N- j3 d3 p$ J
to the unintentional exposure to androgen gel used by  V# N% [1 P  q4 P7 E
the father. The family initially concealed this infor-2 @! e) t7 g8 i" V2 h) I( L* n* j
mation, resulting in an extensive work-up for this) R! y1 c) c1 P' T$ K
child. Given the widespread and easy availability of
- y" ^6 \, Z9 M+ z% g5 _testosterone gel and cream, we believe this is proba-
) e8 x9 M/ ~- S2 f7 f2 n) y/ zbly more common than the rare case report in the
& m  |3 N/ v0 x  s. Kliterature.4
& g4 O9 J7 }- Z0 e% E) m% xPatient Report
( a  R; @3 P3 V* w. hA 16-month-old white child was referred to the
7 q4 b' Y3 G7 Z; m; w- vendocrine clinic by his pediatrician with the concern# U" _6 x. R, n$ P
of early sexual development. His mother noticed; i6 @6 k5 @8 U% ~3 d* t4 h
light colored pubic hair development when he was: @; h8 ~' b3 Y  n4 @
From the 1Division of Pediatric Endocrinology, 2University of% N7 y$ ^( O# X9 s
South Alabama Medical Center, Mobile, Alabama.. s: f$ A# Z4 B
Address correspondence to: Samar K. Bhowmick, MD, FACE,9 T9 L0 O" \/ H- R0 n1 I0 v, Q
Professor of Pediatrics, University of South Alabama, College of* ]; K3 e' a3 @
Medicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;0 @$ z' l3 k/ b* @
e-mail: [email protected].2 l. D: B9 X8 T& K0 }4 |5 @
about 6 to 7 months old, which progressively became9 K+ ~: v- H. G
darker. She was also concerned about the enlarge-7 \- Y5 Q2 i3 I+ C- \
ment of his penis and frequent erections. The child
8 I9 I8 |& j2 M2 c( dwas the product of a full-term normal delivery, with
+ E8 x( H' a  ~2 n( O# H2 `1 va birth weight of 7 lb 14 oz, and birth length of* m6 [- t( a4 t: W8 f5 d3 ?; M6 Q& O
20 inches. He was breast-fed throughout the first year, B1 [  B# _' e! |2 I- N3 b  j. {
of life and was still receiving breast milk along with
8 D4 ]6 V. H$ }9 Q: E" Fsolid food. He had no hospitalizations or surgery,$ u4 W& w0 Y5 R2 [& y& |
and his psychosocial and psychomotor development1 f  [! q9 v4 ^2 f
was age appropriate.
. e- }2 J' \4 h4 k* }The family history was remarkable for the father,
% w" q1 [9 }8 Q1 h9 ]& {/ |who was diagnosed with hypothyroidism at age 16,
' V' x' s2 R! [) a" _4 J7 V$ uwhich was treated with thyroxine. The father’s
+ U" h- b  |% ]8 S1 \* Gheight was 6 feet, and he went through a somewhat% K1 u. F  e7 J4 S8 D5 m
early puberty and had stopped growing by age 14.
1 V  b# D5 s& s" N* m* wThe father denied taking any other medication. The
  l3 u" K2 B' @, ~" Nchild’s mother was in good health. Her menarche
2 r7 j% ]# S. Awas at 11 years of age, and her height was at 5 feet* g2 F1 w( T' b+ V! d6 b8 K
5 inches. There was no other family history of pre-: M; ]. D6 z% U/ a- L0 W: C
cocious sexual development in the first-degree rela-1 O8 E, s$ V% G, _  U/ [8 @
tives. There were no siblings.
: v) P8 {6 n1 ?. X+ b9 T' I  v2 l7 uPhysical Examination& I9 r5 P) U7 d( u
The physical examination revealed a very active,( `1 L4 J" a/ R- V. ~  S$ t% ~" t+ v
playful, and healthy boy. The vital signs documented
7 X2 ^& Z+ ?% H( D: I  ma blood pressure of 85/50 mm Hg, his length was7 R$ r7 g# |5 P6 W7 `  ]
90 cm (>97th percentile), and his weight was 14.4 kg
& @% J; C5 L6 r( v7 ~( q9 Z(also >97th percentile). The observed yearly growth) a  s5 H, v- [1 Z" Z9 u$ F8 e
velocity was 30 cm (12 inches). The examination of
- U  |* o8 ]) W# J* S7 I8 ^# W9 uthe neck revealed no thyroid enlargement.6 D& d2 r7 W& N
The genitourinary examination was remarkable for
' A+ l. W- Y# C$ B. [! E) Denlargement of the penis, with a stretched length of* q3 K( u- T/ X
8 cm and a width of 2 cm. The glans penis was very well, F. i+ h; x2 C  T2 U; }9 G* g# X
developed. The pubic hair was Tanner II, mostly around
* E: ~5 r! t3 K1 ^* G* H2 K" P) k540
1 b9 Q- i# H; dat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
+ `5 l6 J4 {' G$ x, Q( q$ fthe base of the phallus and was dark and curled. The; @: q4 ^8 P0 q
testicular volume was prepubertal at 2 mL each.' v. V  J' E; E5 l; ]% t. \7 i
The skin was moist and smooth and somewhat
7 C+ J9 _: z( T- b! Goily. No axillary hair was noted. There were no
# {' w: q2 Q3 @' xabnormal skin pigmentations or café-au-lait spots.
( c  _# _1 y4 S' A( z9 G# \# I& wNeurologic evaluation showed deep tendon reflex 2+
5 }9 q  H: \; x% C/ r+ W8 U3 {2 Hbilateral and symmetrical. There was no suggestion
" _2 w; _8 C2 a5 {of papilledema.
0 @# I6 y) A# D) A6 [. ^Laboratory Evaluation5 u3 V2 K: j. q# S
The bone age was consistent with 28 months by
+ S! }# z: T  j4 s3 m  x9 r5 dusing the standard of Greulich and Pyle at a chrono-
7 u9 G: b" a6 K7 a  I3 ~logic age of 16 months (advanced).5 Chromosomal6 A+ u7 z" o4 l6 L2 @- \
karyotype was 46XY. The thyroid function test# i, q0 K( ~2 a6 C9 i
showed a free T4 of 1.69 ng/dL, and thyroid stimu-1 [4 F3 l' d: B0 b6 n( F
lating hormone level was 1.3 µIU/mL (both normal).' Z& A4 b% J7 S* c2 z7 q
The concentrations of serum electrolytes, blood
' V( s% H6 w6 Z2 B& xurea nitrogen, creatinine, and calcium all were; n/ w$ c# T3 S# b
within normal range for his age. The concentration" ?- X/ d( @  p5 F7 R
of serum 17-hydroxyprogesterone was 16 ng/dL/ H# S2 R' y% \
(normal, 3 to 90 ng/dL), androstenedione was 205 [' b. K6 ?4 c+ Q* Y, O0 ]% `
ng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-
$ c! D- U* }+ A$ @8 N( S6 Lterone was 38 ng/dL (normal, 50 to 760 ng/dL),
& ?! n- `! d: l$ V" C7 rdesoxycorticosterone was 4.3 ng/dL (normal, 7 to
4 N% e. K  h" ?4 Q9 u# ]49ng/dL), 11-desoxycortisol (specific compound S)
# H: t' z# |) W4 Y: E& _! lwas 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-
% C! I$ f% l% X3 x" atisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total$ C% n+ x6 r) r6 J5 v
testosterone was 60 ng/dL (normal <3 to 10 ng/dL),3 b. t& L, Y. q
and β-human chorionic gonadotropin was less than
4 D1 ~! v9 n( ]6 M/ J: U4 [0 D5 mIU/mL (normal <5 mIU/mL). Serum follicular
7 C9 E; I2 E+ h! ]- vstimulating hormone and leuteinizing hormone2 c3 {; T4 K3 n2 a( p+ k$ J
concentrations were less than 0.05 mIU/mL. m8 i* r- v$ n
(prepubertal).
$ P; n3 G$ r( z' c9 O! l  FThe parents were notified about the laboratory; M& z6 l  R8 ]! n
results and were informed that all of the tests were1 H8 Y* N. o7 W9 `9 e
normal except the testosterone level was high. The
) p# V; b7 Q5 Y2 T6 Z' yfollow-up visit was arranged within a few weeks to( X- g5 P- I4 M1 n; H! j
obtain testicular and abdominal sonograms; how-6 _3 w% B2 [8 a* |6 j8 ^, J: u
ever, the family did not return for 4 months.
; a8 i2 t; F% |Physical examination at this time revealed that the
4 I5 J3 T* h# W0 Z8 ?$ {8 Schild had grown 2.5 cm in 4 months and had gained/ E4 c* s# a5 ]- l* b
2 kg of weight. Physical examination remained
. x1 E$ R, ]- D4 vunchanged. Surprisingly, the pubic hair almost com-- h4 ], n: r& A* }: H- B* t4 R# @
pletely disappeared except for a few vellous hairs at
! i! ?  P( n3 ^6 m% s+ Mthe base of the phallus. Testicular volume was still 2
, A+ F1 I+ c! I+ p3 D* ^: Y2 E1 fmL, and the size of the penis remained unchanged.0 p+ D: C9 l  u3 X( F. k) Q! P
The mother also said that the boy was no longer hav-
' n; H* c! X9 i& E6 W3 K" w5 Xing frequent erections.% I0 `, E; |& ?: y
Both parents were again questioned about use of  T5 @$ f- i- u: ^
any ointment/creams that they may have applied to
3 j$ W2 v9 p  ]% N/ O9 lthe child’s skin. This time the father admitted the/ p% D/ O4 J+ A1 a3 @
Topical Testosterone Exposure / Bhowmick et al 5415 X7 H1 F' ~2 y# ]
use of testosterone gel twice daily that he was apply-; W& D- r3 |2 F7 y7 O, O! [
ing over his own shoulders, chest, and back area for
4 R# O, R/ M2 q1 ^a year. The father also revealed he was embarrassed
$ k7 P, C: w* U( M5 W! xto disclose that he was using a testosterone gel pre-
7 y6 a* t0 t' \. Z1 iscribed by his family physician for decreased libido/ A4 S. S; q8 S9 s$ d
secondary to depression.
- I/ E7 L5 u8 Q0 \7 L! @$ i  UThe child slept in the same bed with parents.
. T* ?) q1 e" a; P7 u' e. V" T  pThe father would hug the baby and hold him on his5 v, \5 t  s0 Y5 h0 r
chest for a considerable period of time, causing sig-# d: ^8 _6 a9 Z" x  r# T) E
nificant bare skin contact between baby and father.' q( U; R# O4 u' d
The father also admitted that after the phone call,2 P7 _$ D* M, h% X5 u
when he learned the testosterone level in the baby
2 z+ R3 B2 V2 Q4 J: |was high, he then read the product information
' }5 P5 l/ o% ?  M( Jpacket and concluded that it was most likely the rea-! y6 B- j+ y) h6 w) Q, P
son for the child’s virilization. At that time, they
- V& Q: b. D" }- ]8 adecided to put the baby in a separate bed, and the
/ b3 ^2 B" T, o0 p8 {father was not hugging him with bare skin and had' p. o/ W: b! G+ D! A8 u
been using protective clothing. A repeat testosterone8 R8 n, ~1 ^) L/ C
test was ordered, but the family did not go to the  ~& |9 c9 J" L( o2 D0 d
laboratory to obtain the test.
  y( d# `$ @" }0 D6 ZDiscussion' ^+ o% i5 p/ x" n$ `% z7 t% i* u
Precocious puberty in boys is defined as secondary- q% ^) _" n  e
sexual development before 9 years of age.1,4' e& ?2 p5 Y0 X( C! ?5 w; J7 b
Precocious puberty is termed as central (true) when4 h# j7 q) ^% ?
it is caused by the premature activation of hypo-
; z) N! M) n* q  ]% _6 Hthalamic pituitary gonadal axis. CPP is more com-; T, Y6 h5 r3 ?* t& x8 M4 \0 R4 Q
mon in girls than in boys.1,3 Most boys with CPP
; m7 E+ f' ~6 [1 O  kmay have a central nervous system lesion that is8 e& M( y3 U* _" C# Q2 M4 Y
responsible for the early activation of the hypothal-
5 O! i  G; j8 ?& z; L  r; y2 Y9 lamic pituitary gonadal axis.1-3 Thus, greater empha-
9 `: @# G4 ~: F; Zsis has been given to neuroradiologic imaging in
( y% n6 w9 J8 bboys with precocious puberty. In addition to viril-
7 A) Y: s  H/ B8 G0 `9 sization, the clinical hallmark of CPP is the symmet-
. c" \) Z9 A: V# O6 k$ zrical testicular growth secondary to stimulation by8 ~* I) N1 q! y8 K' f# M3 a3 Q5 E1 w
gonadotropins.1,3; p# s* J& |6 O- M
Gonadotropin-independent peripheral preco-
, r; C/ {& N$ }5 [cious puberty in boys also results from inappropriate$ o7 P. V" |4 f
androgenic stimulation from either endogenous or
! C; G% L8 A  ?' g/ z) ^4 Z5 I) v5 Z- ]exogenous sources, nonpituitary gonadotropin stim-$ t- \) B7 j; ^
ulation, and rare activating mutations.3 Virilizing
/ y7 n& D" f. R2 g/ }. s5 a/ kcongenital adrenal hyperplasia producing excessive9 p+ I1 d: A9 p7 c
adrenal androgens is a common cause of precocious
- p5 E7 \0 }' E3 f3 ]# f* t( A9 D1 U+ I2 Lpuberty in boys.3,4
& u# d5 {1 N% U* s8 H" NThe most common form of congenital adrenal0 E5 [) a$ z1 D+ C$ K( t! }0 k
hyperplasia is the 21-hydroxylase enzyme deficiency., C( `3 Z3 I) P: M! x' P7 B1 _% _
The 11-β hydroxylase deficiency may also result in
+ o  e- U3 c5 Q! h7 Bexcessive adrenal androgen production, and rarely,$ B6 V9 H1 [) G8 v
an adrenal tumor may also cause adrenal androgen+ v) @5 }& S9 [$ P, N- ?
excess.1,3
8 K" w9 ]0 \4 kat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from' R' @. w! \3 T. S6 z$ x) n, R3 E
542 Clinical Pediatrics / Vol. 46, No. 6, July 20077 i- F9 `. k/ v( Y% I
A unique entity of male-limited gonadotropin-3 o3 S, P$ K8 ?( x
independent precocious puberty, which is also known8 H- i7 b" W+ p1 R. X
as testotoxicosis, may cause precocious puberty at a( {$ A. V. v- [; _: r
very young age. The physical findings in these boys
0 S+ J6 U, ~9 ~2 e& p0 C. Rwith this disorder are full pubertal development,5 B& S5 d+ |/ m3 w$ `" W1 Z
including bilateral testicular growth, similar to boys% O% `$ }/ @" a( }. T
with CPP. The gonadotropin levels in this disorder
  L* w* \% u2 E3 r* kare suppressed to prepubertal levels and do not show
' r. u9 X; ?- N6 Gpubertal response of gonadotropin after gonadotropin-9 E8 r, b* x, E7 N- [7 F
releasing hormone stimulation. This is a sex-linked" X+ Y) J( C9 }: w0 K
autosomal dominant disorder that affects only
7 U0 |+ l, w2 C. i3 d# Omales; therefore, other male members of the family
; ?. A3 N' R3 \$ a# a0 o4 k# a6 V1 Dmay have similar precocious puberty.3
4 S% P4 N' G' b  YIn our patient, physical examination was incon-
: x, P9 ]7 W. {# tsistent with true precocious puberty since his testi-0 @$ h5 C0 t6 E+ M4 u
cles were prepubertal in size. However, testotoxicosis
- _) X; g5 m1 h7 t* u8 Fwas in the differential diagnosis because his father
8 [5 F7 Q2 w: M; Y6 mstarted puberty somewhat early, and occasionally,
# S* G3 l1 A& v, _8 u% u" t+ ltesticular enlargement is not that evident in the
2 O* t( v, S2 ?! rbeginning of this process.1 In the absence of a neg-4 \- f5 y# \  l4 K* u' p' U
ative initial history of androgen exposure, our
1 [& A2 X9 D+ C, u: @5 ?, s) m2 ?biggest concern was virilizing adrenal hyperplasia,
( a1 F+ ~0 y  [" q' ?0 \either 21-hydroxylase deficiency or 11-β hydroxylase7 Q( E+ Z3 i* v5 {( f3 E
deficiency. Those diagnoses were excluded by find-
) ~/ y; z. |% ~) ]  g' ming the normal level of adrenal steroids.
- D. l& h4 s- O% {* {1 E1 [The diagnosis of exogenous androgens was strongly! ~0 @7 }6 u9 v4 j5 w
suspected in a follow-up visit after 4 months because
+ U" h8 V6 |" _& C" b8 _' I' Ethe physical examination revealed the complete disap-
4 [' z' v' K; ?& A  `" Gpearance of pubic hair, normal growth velocity, and
: D" y$ Y) Q& w) M! Ndecreased erections. The father admitted using a testos-
+ }/ a5 `" Q+ @+ bterone gel, which he concealed at first visit. He was' M9 o, z5 B- K. h! \4 V9 T! O) `0 l
using it rather frequently, twice a day. The Physicians’
* A9 u1 k; h7 u- E' G% x9 I% fDesk Reference, or package insert of this product, gel or
% i  v; ^  q& f' ^2 qcream, cautions about dermal testosterone transfer to- c( F/ l4 l, U3 `5 z. J* a
unprotected females through direct skin exposure.
4 S: H* u9 L4 d! w3 {Serum testosterone level was found to be 2 times the
  A' u2 f+ F0 A% r& xbaseline value in those females who were exposed to5 j+ M) n4 H# {) H- d2 r7 C
even 15 minutes of direct skin contact with their male: [8 x& k$ d9 S& O4 r
partners.6 However, when a shirt covered the applica-. O% @- J% l( n& o, V0 d$ V2 z4 B5 D
tion site, this testosterone transfer was prevented.
. g: H2 T2 d/ q, G6 @- }; o  C; hOur patient’s testosterone level was 60 ng/mL,
! }- ?0 i6 c5 i0 ~! S8 W& Mwhich was clearly high. Some studies suggest that2 Y. u8 p- H9 {9 x. z" f
dermal conversion of testosterone to dihydrotestos-
: D/ w3 h. m( r2 j. {terone, which is a more potent metabolite, is more) I3 P; b/ ^6 G$ a. e# C
active in young children exposed to testosterone- [1 N& q" N: V% b2 t) H
exogenously7; however, we did not measure a dihy-
! j$ z8 \4 u+ n: W2 W- n: j, B- udrotestosterone level in our patient. In addition to+ n- l9 S/ C& J" s0 s
virilization, exposure to exogenous testosterone in* w" B+ j: J- A2 V
children results in an increase in growth velocity and
- C- v% w* e6 `. Q5 ?, V) m- Eadvanced bone age, as seen in our patient.+ ^3 B0 P) {, Q; N
The long-term effect of androgen exposure during
2 [2 V8 d: [+ i3 t+ D/ Aearly childhood on pubertal development and final
$ b& D, [3 ?' `: sadult height are not fully known and always remain& U/ G6 f  b( a
a concern. Children treated with short-term testos-
. o+ f8 F* f5 V6 @terone injection or topical androgen may exhibit some# h: J/ r" q6 P+ k
acceleration of the skeletal maturation; however, after+ a8 v3 w. D; Y/ d9 ~$ N: c1 S  s
cessation of treatment, the rate of bone maturation  E7 N5 ~% b/ o$ E$ w( J
decelerates and gradually returns to normal.8,9
% C" [( M% m2 }. c( |# t! a3 f9 EThere are conflicting reports and controversy
. H0 p" s: O8 o, M; J6 y9 Hover the effect of early androgen exposure on adult. V$ {6 }# p4 s$ O0 E
penile length.10,11 Some reports suggest subnormal$ m! v* B& g8 A; ]( n' V
adult penile length, apparently because of downreg-
, q- a+ f$ Z, t7 Uulation of androgen receptor number.10,12 However," ^* G/ ?. C0 ]* `( X: N' _/ P
Sutherland et al13 did not find a correlation between
9 H0 A9 g8 U) M2 @0 ?8 v  pchildhood testosterone exposure and reduced adult1 u+ G4 @  P0 f' L2 I7 b
penile length in clinical studies.$ O  N& w! V. B/ S$ ]0 ]* r2 F1 z
Nonetheless, we do not believe our patient is
/ o3 Z- F, {8 |0 k, j6 q% O' W. l- Hgoing to experience any of the untoward effects from* C) w3 ?& u" U' m% x2 h5 I
testosterone exposure as mentioned earlier because
$ l- w+ {! V) M; g- V. F  Q) e: qthe exposure was not for a prolonged period of time.1 g- t) F% A' V! t
Although the bone age was advanced at the time of+ y8 c: W0 u* q/ R2 Y
diagnosis, the child had a normal growth velocity at
" u$ k6 q8 |2 q4 x! t6 jthe follow-up visit. It is hoped that his final adult
1 |* A, v; f; n6 _  X2 A( Gheight will not be affected.6 {6 C9 S; K: o; i3 j/ ?
Although rarely reported, the widespread avail-8 l9 Y, o4 Y8 _. s! s3 i4 R
ability of androgen products in our society may& K# Y, ?) B7 B* ~1 N$ R
indeed cause more virilization in male or female* T) N6 ]: |% T7 q
children than one would realize. Exposure to andro-
" x) a2 }9 P9 _9 t! Z& A6 vgen products must be considered and specific ques-
# _2 _9 H6 w  y% ^+ v* C( itioning about the use of a testosterone product or
5 D/ y" |9 u" s0 t; mgel should be asked of the family members during
; ~  M: S- d( ]  ?the evaluation of any children who present with vir-
+ u3 H; X- ?8 R: k) J  C; `8 oilization or peripheral precocious puberty. The diag-/ Y8 ^! }  Q8 D# e
nosis can be established by just a few tests and by) ~  N7 M' [) B. t4 {+ [
appropriate history. The inability to obtain such a, _& H' d- J0 F1 O( \0 x; F
history, or failure to ask the specific questions, may
7 l$ e5 x0 ^, w1 w) m  lresult in extensive, unnecessary, and expensive
+ V; T& A' O# A2 _investigation. The primary care physician should be# y$ ]" Y( s) q
aware of this fact, because most of these children2 D0 a( h) U+ c# ^7 k! L
may initially present in their practice. The Physicians’
& D, ]- h0 }* _! e- `Desk Reference and package insert should also put a
8 H/ A7 A  B0 l! r- o' l# i# [warning about the virilizing effect on a male or
/ h" R2 y) S8 yfemale child who might come in contact with some-% P% r; u4 K9 w( Q
one using any of these products.! ]7 C) w. ~/ G! e1 }# J
References  M' f5 d! A# Y$ f7 c- e
1. Styne DM. The testes: disorder of sexual differentiation6 W; O* {+ j6 C, A( ^/ S: U9 h
and puberty in the male. In: Sperling MA, ed. Pediatric
6 ~1 \/ ]* h' L7 Y4 `1 q) BEndocrinology. 2nd ed. Philadelphia, PA: WB Saunders;, G  m: |- I. Z* w5 f# V% n
2002: 565-628.
) S) j" m5 x! j1 ~! l( J  ?2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious
% c1 _* |* {- E# Z8 w6 hpuberty in children with tumours of the suprasellar pineal
發表於 2025-1-11 22:18:01 | 顯示全部樓層
女厕偷拍辅导班主任尿尿老师的逼很嫩还有一点
發表於 2025-1-17 16:31:39 | 顯示全部樓層
4个什么样的?
發表於 2025-1-19 02:41:05 | 顯示全部樓層
4 {5 X  g) v: X$ `1 M6 i
精妙絕倫的精品,感謝啊!期待你更多更好的創作哦!
發表於 2025-3-11 12:31:56 | 顯示全部樓層
么好吧v进化过程就回国参加发uft成就和;哦i回来就好v科技股份兄弟人的 路由公开vu个v库每年b
發表於 2025-4-8 11:10:25 | 顯示全部樓層
精妙絕倫的精品,感謝啊!期待你更多更好的創作哦!
您需要登錄後才可以回帖 登錄 | 立即注册

本版積分規則


快速回復 返回頂部 返回列表