eISSN: 1509-572x
ISSN: 1641-4640
Folia Neuropathologica
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3/2021
vol. 59
 
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abstract:
Case report

Clinical presentation of neuroendocrine cancer metastasis to an anterior clinoid process meningioma invading superior orbital fissure. A case report

Anna Rzehak
1
,
Michał Roman Sobstyl
1
,
Teresa Wierzba-Bobrowicz
2
,
Piotr Bojarski
1
,
Wiesława Grajkowska
3

1.
Department of Neurosurgery, Institute of Psychiatry and Neurology, Warsaw, Poland
2.
Department of Neuropathology, Institute of Psychiatry and Neurology, Warsaw, Poland
3.
Department of Pathomorphology, Centre of Postgraduate Medical Education, Warsaw, Poland
Folia Neuropathol 2021; 59 (3): 322-326
Online publish date: 2021/10/05
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Metastasis to a meningioma is an uncommon phenomenon however reported in the literature. Meningiomas are common primary intracranial tumours which most frequently occur to be a recepient of metastases. A 66-year-old female presented with rapid development of visual acuity and visual field loss in the right eye with ipsilateral oculomotor nerve palsy. Magnetic resonance imaging (MRI) showed well-defined tumour intensely enhanced with contrast like a typical skull base meningioma. The neuropathological examination revealed two different morphological fragments of the tumour. In the cell-rich part of the tumour, immunopositivity for CK, chromogranin, and SY were detected. The less cellular portion of the tumour, immunopositivity to epithelial membrane antigen (EMA) and vimentin were detected. To our knowledge, we present the first rare metastasis of neuroendocrine carcinoma to the medial sphenoid meningioma that preceded the clinical symptoms of systemic neuroendocrine carcinoma.
keywords:

neuroendocrine cancer, meningioma, brain metastasis, tumour-to-meningioma metastasis

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