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- W2092287309 abstract "The external genitalia can generally be imaged on routine prenatal sonography and may yield important information about potential defects. We report the sonographic findings in a fetus that was found to have penoscrotal hypospadias at birth. A 19-year-old woman, gravida 2, para 1, underwent sonographic examination at 30 weeks' gestation. The fetal anatomy appeared normal except for the external genitalia. A bifid scrotum was noted and the penis was short with board tip and ventral curvature, characteristics of severe hypospadias. At 37 weeks' gestation a male neonate was vaginally delivered and on physical examination a penoscrotal hypospadias was found. Hypospadias is a congenital anomaly in which the urethral meatus is abnormally located, opening onto the ventral side of the penis. Classification of hypospadias is based on urethral position: anterior (glandular or coronal), middle (penile shaft) and posterior (penoscrotal, scrotal, perineal). Along with varying degrees of deficiency of the urethra, the prepuce is deficient ventrally and results in a dorsal hood over the glans. The blunt-ended tip of the penis seen on the sonogram corresponds to this abnormal dorsal hood. Hypospadias is often associated with an abnormal ventral or lateral curvature of the penis. A specific sonographic sign called the “tulip sign” was described by Meizner et al. (2002) in cases of severe hypospadias. It represents the short blunt-ended penis between the two halves of the bifid scrotum. This typical sonographic appearance was recognized in this case. The diagnosis of hypospadias may be enhanced by fortuitous visualization of anomalous urinary stream due to dystopia of urethral meatus during fetal micturition. Hypospadias usually occurs as an isolated abnormality when diagnosed in childhood. However some series suggest that the prevalence of associated urogenital anomalies is 40% and other anomalies may be present in 7–10% of cases. Hypospadias may also occur as a part of syndromes." @default.
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- W2092287309 date "2004-08-01" @default.
- W2092287309 modified "2023-10-16" @default.
- W2092287309 title "P14.44: Prenatal sonographic features of severe hypospadias" @default.
- W2092287309 doi "https://doi.org/10.1002/uog.1642" @default.
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