Accurate Diagnosis of Severe Hypospadias Using 2D and 3D USG
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Introduction
Hypospadias is a congenital anomaly in the development of the urethra, in which the urethral meatus is abnormally positioned with a ventral opening in the surface of the penis.
Despite hypospadias being the most common congenital defect of the male external genitalia, it is often missed on prenatal ultrasound. Most diagnosed cases are severe forms, those associated with other anomalies or those with a family history of hypospadias.
We present a case of a severe penoscrotal hypospadias diagnosed prenatally using 2D and 3D ultrasound, which was crucial for an accurate diagnosis and proper parental advice.

Case Report
A 26-year-old woman, primigravida, with no significant past medical history was referred to our Prenatal Diagnosis Unit because in the 21-week ultrasound the sex was not clearly differentiated. Due to the ambiguity of the genitalia, a fetal karyotype in maternal blood was requested and it revealed a normal male karyotype (46XY). We performed a detailed fetal examination using ultrasound equipment Epiq 7 (Phillips Medical Systems, Bothell, WA, USA) with abdominal probes C5-1 and xMATRIX 6-1.

The fetal biometric measurements correlated with his estimated gestational age and showed no fetal anatomic abnormality except in the external genitalia.....

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5059589/
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