tailieunhanh - Fetus in fetu: Two case reports and literature review

Fetus in fetu is a rare congenital anomaly and is defined as a monozygotic twin incorporated into the abdomen of its sibling during development. Fetus in fetu is often overlooked in the differential diagnosis of an abdominal mass. Unlike teratomas, fetus in fetu is a benign disorder. | Ji et al. BMC Pediatrics 2014 14 88 http 1471-2431 14 88 BMC Pediatrics CASE REPORT Open Access Fetus in fetu two case reports and literature review 1 1 Í- Z 1 17 1 71 1 1 1 Í- 1 I 1 I . I 1 t A 1 y I 1 7 Yi Ji1 Siyuan Chen1 2 Lin Zhong1 Xiaoping Jiang1 Shuguang Jin1 Feiteng Kong1 Qi Wang1 Caihong Li3 and Bo Xiang1 Abstract Background Fetus in fetu is a rare congenital anomaly and is defined as a monozygotic twin incorporated into the abdomen of its sibling during development. Fetus in fetu is often overlooked in the differential diagnosis of an abdominal mass. Unlike teratomas fetus in fetu is a benign disorder. Case presentation We describe the clinical characteristics of two patients a thirty-months old boy who was found to have abdominal distension and a neonate who was diagnosed antenatally with abdominal mass. Computed tomography scan revealed the mass in which the contents favor a fetus in fetu rather than a teratoma. Surgical removal revealed that the anencephalic fetus have limb buds situated relative to a palpable vertebral column supporting the diagnosis of fetus in fetu. In the present report presentation diagnosis pathology management and recent literature are also reviewed. Conclusion Fetus in fetu is a rare entity that typically presents in infancy and early childhood. It should be differentiated from a teratoma because of the teratoma s malignant potential. Preoperative diagnosis is based on radiologic findings. The treatment of fetus in fetu is operative to relieve obstruction prevent further compression and possible complications. Complete excision allows confirmation of the diagnosis and lowers the risk of recurrence. Keywords Fetus in fetu Teratoma Preoperative diagnosis Treatment Background Fetus in fetu FIF is a rare cause of abdominal mass in children. The pathogenesis of FIF can be explained by the included-twin theory in which the FIF is a diamniotic monochorionic monozygotic twin that becomes incorporated into the .

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