Metastatic meningioma in fine-needle aspiration (FNA) of the lung: Cytomorphologic finding

Pulmonary metastasis of intracranial meningioma is rare. We present the cytomorphologic features of such a tumor in a 71 yr‐old woman who was found to have multiple lung nodules 13 years following the resection of an atypical intracranial meningioma. Cytomorphologic features were quite distinct and...

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Bibliographic Details
Published in:Diagnostic cytopathology 1999-05, Vol.20 (5), p.291-294
Main Authors: Baisden, Blaire L., Hamper, Ulrike M., Ali, Syed Z.
Format: Article
Language:English
Subjects:
Aged
Biological and medical sciences
Biopsy, Needle
cytopathology
Female
fine-needle aspiration
Humans
lung
Lung Neoplasms - diagnostic imaging
Lung Neoplasms - pathology
Medical sciences
Meningeal Neoplasms - secondary
meningioma
Meningioma - secondary
Neurology
Tomography, X-Ray Computed
Tumors of the nervous system. Phacomatoses
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Summary:Pulmonary metastasis of intracranial meningioma is rare. We present the cytomorphologic features of such a tumor in a 71 yr‐old woman who was found to have multiple lung nodules 13 years following the resection of an atypical intracranial meningioma. Cytomorphologic features were quite distinct and included hypercellularity with large syncytial groups of monomorphic cells with epithelioid morphologic features, often in perivascular arrangements. Occasional intranuclear cytoplasmic inclusions as well as binucleated cells with wispy cytoplasmic extensions were also noted. Immunoperoxidase studies showed focal positivity for epithelial membrane antigen. The differential diagnosis includes primary or metastatic adenocarcinoma, malignant mesothelioma, and melanoma. Diagn. Cytopathol. 1999;20:291–294. © 1999 Wiley‐Liss, Inc.
ISSN:8755-1039
1097-0339
DOI:10.1002/(SICI)1097-0339(199905)20:5<291::AID-DC8>3.0.CO;2-R