Presentation
Abdominal mass since birth associated with sudden onset of severe abdominal pain.
Patient Data
Age: 15 years
Gender: Male
From the case:
Fetus in fetu
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An intraperitoneal malformed fetus in a sac. Malformed skull vault, limbs, teeth and vertebrae are visualized.
Case Discussion
Total removal of the malformed fetus was performed and confirmed to be fetus in fetu.
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 organized teratoma. Total excision of this malformed fetus is a definite cure.
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