Congenital megaurethra in a fetus with Meckel syndrome and in a fetus with female pseudoermanphroditism. The first report of these occurrences.

Journal of prenatal medicine Pub Date : 2014-04-01
Letizia Di Meglio, Laura Letizia Mazzarelli, Amedeo Boscaino, Dino Cancemi, Franco Morelli, Maria Concetta Lonardo, Valeria Lonardo, Patrizia Friso, Carmine Spampanato, Maria Urciuoli, Marialuisa Ventruto, Valerio Ventruto
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Abstract

Objective: the purpose of this paper is to report the first case of megaurethra in a fetus with Meckel syndrome and in a fetus with femal pseudoermaphroditism.

Results: the former case refers to a fetus of 13 weeks gestation with the three following prominent anomalies, observed by transonic scan and confirmed by autopsy: congenital megaurethra, anal atresia, single umbelical artery. The latter case refers to a fetus of 18 weeks gestation. Autopsy confirmed penile malformation and revealed ovaries in the abdomen. The karyotype was 46,XX with normal molecular karytype. The megaurethra was discovered by sonography at 18 weeks gestation. Autopsy confirmed penile malformation and revealed ovaries in the abdomen. The karyotype was 46,XX with normal molecular karyotype (Array-CGH, 1 Mb of resolution).

Methods: transonic scan, autopsy, karyotype, array-CGH.

Conclusions: the first prenatal cases of two genetic syndromes with megaurethra have been reported, concening respectively a fetus with Meckel syndrome and a fetus with femal pseudoermaphroditism. The latter was confirmed by both autopsy and the normal female 46,XX karyotype.

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Abstract Image

患有梅克尔综合征的胎儿和患有女性假两性畸形的胎儿的先天性巨喉症。这些事件的第一份报告。
目的:本文报道首例mekel综合征胎儿和女性假雌雄同体胎儿的大尿道炎。结果:前一例是指妊娠13周的胎儿,经超声扫描观察并尸检证实有以下三个突出异常:先天性大喉、肛门闭锁、单一脐动脉。后一种情况是指怀孕18周的胎儿。尸检证实有阴茎畸形,腹部有卵巢。核型46xx,分子核型正常。孕18周超声检查发现大尿道。尸检证实有阴茎畸形,腹部有卵巢。核型为46xx,正常分子核型(Array-CGH,分辨率1mb)。方法:跨声速扫描,解剖,核型,阵列- cgh。结论:本文首次报道了两例大喉遗传综合征的产前病例,分别涉及Meckel综合征胎儿和女性假雌雄同体胎儿。后者经尸检和正常女性46,XX核型证实。
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