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Articles » Gastrointestinal anomalies, spleen & abdominal wall » Cloacal dysgenesis

2000-06-21-15 Cloacal dysgenesis with imperforate anus © Olavarria www.thefetus.net/


Cloacal dysgenesis with imperforated anus

Alberto Sosa Olavarria, MD

Perinatology Unit, Carabobo University, Valencia - Venezuela. UPUC@hotmail.com

This fetus has cloacal dysgenesis with imperforated anus. There is no connection of the cloaca with the amniotic cavity (anhydramnios). The resulting renal dysplasia caused enlargement of the kidneys that present a cystic appearance. Note the abnormal position of the iliac arteries dues to the compression by the kidneys. Flow to the kidneys and lung demonstrate a high impedance. 

The cloaca is the oblong pelvic cyst with the rectum on the posterior aspect and the bladder on the anterior aspect. 

 

 

The dysplastic kidneys.

 

Deformity of the iliac by compression from the cystic kidneys.

High resistance flow in the pulmonary artery and renal arteries.

 

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