Multifocal primary amelanotic meningeal melanomas mimicking lymphoma: a case report and literature review

Primary meningeal melanoma is a rare type of melanocytic cancer originating from the melanocytes of the leptomeninges. It commonly presents as a solitary mass, and multifocal amelanotic lesions were scarcely reported. Diagnosis of multifocal melanoma is particularly challenging, clinically and diagn...

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Bibliographic Details
Published in:British journal of neurosurgery 2023-10, Vol.37 (5), p.1-1210
Main Authors: Cao, Yue, Wang, Yu-Bo, Tan, Xuan-Yu, Cui, Yu-He, Zhao, Gang
Format: Article
Language:English
Subjects:
Case reports
Melanoma
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Summary:Primary meningeal melanoma is a rare type of melanocytic cancer originating from the melanocytes of the leptomeninges. It commonly presents as a solitary mass, and multifocal amelanotic lesions were scarcely reported. Diagnosis of multifocal melanoma is particularly challenging, clinically and diagnostically, especially in the absence of cutaneous nevi and melanin pigment. Surgical biopsy result is the gold standard. In this case study, we present an uncommon case of multifocal primary amelanotic meningeal melanomas mimicking lymphomas in the skull base and near the Sylvian fissure, which serves to provide reference value to the clinical diagnosis. Physicians should be aware of the existence of this special type in the clinical work.
ISSN:0268-8697
1360-046X
DOI:10.1080/02688697.2020.1834511