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Varga, Z; Vajtai, I; Marino, S; Schäuble, B; Yonekawa, Y; Aguzzi, A (1996). Tubular adenoma of the choroid plexus: evidence for glandular differentiation of the neuroepithelium. Pathology, Research and Practice, 192(8):840-844.

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A case of tubular adenoma arising in the right ventricular choroid plexus of a 4-month-old boy is described. A basic pattern of neoplastic glandular epithelium and lack of papillary architecture distinguished this tumor from a papilloma. Coexpression of S -100 protein, transthyretin and cytokeratin identified the neoplastic cells as being of choroid plexus origin. Immunohistochemical detection of MIB-1 showed a proliferation rate (16%) similar to adenomas in more conventional locations, but not encountered in benign brain tumors. In situ detection of DNA-derived oligonucleosomal fragments by TUNEL analysis, on the other hand, detected apoptotic activity in 5-8% of tumor cells. The indolent course of the disease in the present case, thus, might suggest a compensatory elimination of proliferating cells by apoptosis. This possibly points to mechanisms of neoplastic transformation different from those involved in choroid plexus papillomas.


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Additional indexing

Item Type:Journal Article, refereed
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Institute of Neuropathology
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
Deposited On:11 Feb 2008 12:25
Last Modified:05 Apr 2016 12:20
Publisher DOI:10.1016/S0344-0338(96)80058-6
PubMed ID:8897520

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