Fetus in fetu

Case contributed by Dr Zaidah Mohd Ismail

Presentation

Abdominal mass since birth associated with sudden onset of severe abdominal pain.

Patient Data

Age: 15
Gender: Male
Modality: CT

An intraperitoneal malformed fetus in a sac. Malformed skull vault, limbs, teeth and vertebrae are visualised.

Total removal of the malformed fetus was performed and confirmed to be fetus in fetu.

Case Discussion

Fetus-in-fetu is a rare benign condition in which a non viable fetus is found in the body of its twin.

It is extremely rare with an incidence of 1:500,000 births. It is a type of monozygotic diamniotic twin.

Differential diagnosis is organised teratoma. Total excision of this malformed fetus is a definite cure.

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Case Information

rID: 50848
Case created: 24th Jan 2017
Last edited: 27th Jan 2017
Inclusion in quiz mode: Included

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