fetal choledochal cyst

Fetal choledochal cysts  are choledochal cysts diagnosed in utero.

Epidemiology

The estimated incidence rate of choledochal cysts is  ~1 in 2 million live births . There is a recognsed female predilection and a greater occurrence in Asian populations.

Radiographic features

Antenatal ultrasound

It may be seen as an anechoic fetal intra-abdominal cyst within or close to the fetal liver.

Demonstration of continuity with the fetal gall bladder or hepatic ducts or presence of associated intra- and extrahepatic ducts may further aid the diagnosis.

Treatment and prognosis

Surgical excision with a Roux-en-Y hepaticojejunostomy anastomosis is often performed postpartum as part of management.

Differential diagnosis

On ultrasound, the main differential considerations for the cyst within the adjacent to the liver include

See also

Siehe auch:
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