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Título: Lectin histochemistry of human meningiomas
Fecha de publicación: 1994
Editorial: Murcia : F. Hernández
ISSN: 0213-3911
Materias relacionadas: CDU::6 - Ciencias aplicadas::61 - Medicina
Palabras clave: Lectin
Meningioma
Resumen: The lectins Peanut agglutinin (PNA), Canavalia ensiformis (Con A), Ulex europaeusl (UEAl), Dolichos biflorus (DBA), Triticum vulgaris (WGA) were studied in a series of 36 meningiomas (16 meningotheliomatous-including 3 recurrences, 7 transitional, 4 angiomatous, 2 ((hemangiopericytic~3, papillary-including 1 recurrence, 4 anaplastic-including 3 recurrences. PNA binds to all cases of meningotheliomatous, transitional, papillary and anaplastic meningiomas (including recurrent cases) but the staining is more intense in tumor cells of anaplastic and papillary type. A semiquantitative study showed differences of PNAreactivity in the different subtypes of meningiomas. In meningotheliomatous meningiomas PNA-positivity was encountered in numerous neoplastic cells (50%), whereas papillary and anaplastic subtypes expressed strong cytoplasmic staining of few tumor cells (C 5%). Con A shows the same pattern of reactivity described for PNA, but more weakly. Our results suggest that PNA is a marker of differentiation in meningiomas rather than malignant transformation and can have prognostic relevance.
Autor/es principal/es: Marafioti, T.
Barresi, G.
Batolo, D.
Publicado en: Histology and histopathology
URI: http://hdl.handle.net/10201/18503
Tipo de documento: info:eu-repo/semantics/article
Número páginas / Extensión: 6
Derechos: info:eu-repo/semantics/openAccess
Aparece en las colecciones:Vol. 9, nº 3 (1994)

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