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Intraparenchymal Epithelial (Enterogenous) Cyst of the Medulla Oblongata

Published online by Cambridge University Press:  18 September 2015

Boleslaw Lach ,
Neville Russell ,
David Atack  and
Brien Benoit
Boleslaw Lach*
Affiliation:
Division of Anatomical Pathology (Neuropathology), Ottawa Civic Hospital and University of Ottawa
Neville Russell
Affiliation:
Division of Neurosurgery, Ottawa Civic Hospital and University of Ottawa
David Atack
Affiliation:
Division of Neurology, Ottawa Civic Hospital and University of Ottawa
Brien Benoit
Affiliation:
Division of Neurosurgery, Ottawa Civic Hospital and University of Ottawa
*
Laboratory Medicine, Ottawa Civic Hospital, 1053 Carling Ave., Ottawa, Ontario, Canada K1Y 4E9
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Abstract:

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intraparenchymal solitary cyst of the medulla oblongata was diagnosed on MRI examination in a 66-year-old woman with a nine year history of progressive brainstem dysfunction and three negative CT scan examinations. Craniotomy and drainage of the cyst to the IVth ventricle led to remarkable clinical recovery. Biopsy of the wall of the cyst revealed an epithelial lining with tonofilaments, desmosomes and surface coating on ultrastructural examination. Immunohistochemistry demonstrated positive reactions of epithelium for keratins, cytokeratins, epithelial membrane antigen and Ulex Europeus lectin, indicating endodermal origin of the cyst.

Type
Original Articles
Information
Canadian Journal of Neurological Sciences , Volume 16 , Issue 2 , May 1989 , pp. 206 - 210
Copyright
Copyright © Canadian Neurological Sciences Federation 1989

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