Meningioma with rosettes: A rare morphologic pattern.

Poyuran, Rajalakshmi; Thomas, Bejoy; Abraham, Mathew; Narasimhaiah, Deepti

Poyuran, Rajalakshmi; Thomas, Bejoy; Abraham, Mathew; Narasimhaiah, Deepti.

Afiliação

Poyuran R; Department of Pathology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum, Kerala, India.
Thomas B; Department of Imaging Sciences and Intervention Radiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum, Kerala, India.
Abraham M; Department of Neurosurgery, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum, Kerala, India.
Narasimhaiah D; Department of Pathology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum, Kerala, India.

Neuropathology ; 40(2): 202-205, 2020 Apr.

Article em En | MEDLINE | ID: mdl-31797445

ABSTRACT

ABSTRACT

We describe a case of WHO grade I transitional meningioma with rosettes in a 68-year-old woman. The rosettes were composed of meningothelial cells arranged around dense collagenous cores. Even though the presence of rosettes in tumors of the brain and spinal cord is an indication of neuronal or ependymal differentiation, they are also known to occur in tumors of other lineages. Rosette is an uncommon morphological pattern in meningiomas, with only few cases reported in the literature.

Assuntos

Neoplasias Meníngeas/patologia; Meningioma/patologia; Idoso; Feminino; Humanos

Palavras-chave

meningioma; morphology; planar cell polarity; rosette; tight junction

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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Neoplasias Meníngeas / Meningioma Limite: Aged / Female / Humans Idioma: En Revista: Neuropathology Assunto da revista: NEUROLOGIA / PATOLOGIA Ano de publicação: 2020 Tipo de documento: Article País de afiliação: Índia

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