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Fetus-in-fetu in the cranium of a 4-month-old boy: histopathology and short tandem repeat polymorphism-based genotyping. Case report

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Authors
Kim, Jin Wook; Park, Sung-Hye; Park, Sung-Sup; Wang, Kyu-Chang; Cho, Byung-Kyu; Kim, So Yeon; Ra, Eun Kyung; Kim, Chae-Yong; Kim, Seung-Ki
Issue Date
2008
Publisher
American Association of Neurological Surgeons
Citation
J Neurosurg Pediatr 1:410-414, 2008
Keywords
fetus-in-fetu; genotyping; intracranial mass; parasitic twin
Abstract
Fetus-in-fetu is a very rare condition in which one fetus is contained within another. About 100 cases have been reported, and in most of these the fetus was located in the retroperitoneum. The authors describe an extremely rare case of an intracranial fetus-in-fetu in an extraaxial location. This is the eighth intracranial fetus-in-fetu to be reported, the first intracranial extraaxial case, and involves the oldest documented patient with this condition. Histopathological analysis of the mass revealed a degenerated amnionic membranelike tissue, well-differentiated extremities (including fingerlike structures), skin, matured lungs, well-formed intestines, cerebellar and cerebral tissue, and a notochord with ganglion cells. DNA analysis using short tandem repeat polymorphisms confirmed that the fetus-in-fetu mass and the host infant had heterozygous alleles and were of identical sex and genotype
ISSN
1933-0707 (print)1933-0715 (online)
Language
English
URI
http://hdl.handle.net/10371/3965
DOI
https://doi.org/10.3171/PED/2008/1/5/410
https://doi.org/10.3171/PED/2008/1/5/410
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College of Medicine/School of Medicine (의과대학/대학원)Pathology (병리학전공)Journal Papers (저널논문_병리학전공)
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