Sequira V, Rao P, Moorthy K, Deshpande A, Supe A
Department of Gastrointestinal Surgery, Seth G S Medical College, Mumbai.
Indian J Gastroenterol. 1998 Apr;17(2):63.
Fetus in fetu occurs due to aberration of monozygotic twinning. A 16-year-old boy presented with abdominal pain and mass. Laparotomy revealed an anencephalic fetus within an encapsulated retroperitoneal mass. Pathologic examination confirmed rib formation with a primitive vertebral column with bone marrow. There was no other organogenesis.