Fig. 4
From: Spectrum of congenital anomalies detected through anatomy ultrasound at a referral hospital in Ghana
Representative ultrasound images of identified congenital gastrointestinal and genitourinary anomalies. (a) Severe (Grade 3) hydronephrosis with associated ureteral dilation (hollow arrows); (b) Megacystitis (hollow arrow) with a “keyhole sign” indicating posterior urethral valves (solid arrow); (c) Multicystic dysplastic kidney showing an enlarged, hyperechoic kidney with multiple non-communicating cysts (hollow arrows); (d) “Double bubble” sign suggestive of duodenal atresia (hollow arrows); (e) Omphalocele with an abdominal wall defect (solid arrow) and herniated viscera enclosed in a membrane (hollow arrow); (f) Gastroschisis with free-floating bowel loops in the amniotic fluid (hollow arrows)