The Silent Passenger: The Medical Mystery of Fetus in Fetu
Year: 2025
Type: article
Abstract: Fetus in fetu (FIF) is a rare congenital anomaly characterized by the presence of a malformed parasitic twin enclosed within the body of its host twin. It is believed to result from aberrant monozygotic twinning, where unequal embryonic division leads to the inclusion of one twin within the other during early gestational development. Fewer than 300 cases have been documented globally, most commonly presenting in infancy as an abdominal mass. Diagnostic imaging, particularly CT and MRI, plays a crucial role in identifying vertebral and limb-like structures, differentiating FIF from teratomas and other abdominal tumors. Surgical excision remains the definitive treatment and offers excellent prognosis. This paper explores the diagnostic approaches of FIF, with emphasis on the importance of distinguishing it from neoplastic conditions for appropriate intervention.
Author: Dr. Rucha Phalke, Dr. Pradeepgoud Patil, Dr. Ashwin Patil, Dr. Santosh Patil
Language: English
Subfield: Surgery
Field: Medicine
Domain: Health Sciences
Open Access status: green
OpenAlex ID: W6893359995
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