Expression of glial fibrillary acidic protein (GFAP) in peripheral nerve sheath tumors. A comparative study of immunoreactivity of GFAP, vimentin, S-100 protein, and neurofilament in 38 schwannomas and 18 neurofibromas.

Abstract	Immunoreactivity of glial fibrillary acidic protein (GFAP) in 38 schwannomas and 18 neurofibromas was evaluated and compared with the reactivity of vimentin, S-100 protein, and neurofilament protein. All cases were positive for vimentin and S-100 protein. GFAP was positively stained in the neoplastic cells of 15 of 38 schwannomas (38%) and in two of 18 neurofibromas (11%). The extensively stained GFAP-positive tumors tended to be deeply situated in the body. The GFAP-positive cells were usually spindle-shaped and appeared preferentially in the perivascular region of hyalinized, thick blood vessels.
Authors	E Kawahara, Y Oda, A Ooi, S Katsuda, I Nakanishi, S Umeda
Journal	The American journal of surgical pathology (Am J Surg Pathol) Vol. 12 Issue 2 Pg. 115-20 (Feb 1988) ISSN: 0147-5185 [Print] United States
PMID	3124642 (Publication Type: Comparative Study, Journal Article)
Chemical References	Glial Fibrillary Acidic Protein Intermediate Filament Proteins Neurofilament Proteins S100 Proteins Vimentin
Topics	Adolescent Adult Aged Female Glial Fibrillary Acidic Protein (analysis) Humans Immunohistochemistry Intermediate Filament Proteins (analysis) Male Middle Aged Neurilemmoma (analysis, pathology) Neurofibroma (analysis, pathology) Neurofilament Proteins S100 Proteins (analysis) Vimentin (analysis)

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