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Revista Colombiana de Cancerología
Print version ISSN 0123-9015
Abstract
RAMIREZ-IZCOA, Alejandro et al. Solitary Extramedullary Plasmacytoma in the Dura. rev.colomb.cancerol. [online]. 2018, vol.22, n.1, pp.46-52. ISSN 0123-9015. https://doi.org/10.1016/j.rccan.2017.02.001.
Intracranial solitary plasmacytomas are more common in adults, with a slight predominance in women. This location is extremely rare, and represents less than 1% of head and neck tumours. They are benign unless associated with multiple myeloma. The case is presented on a 52 year-old male patient, with no medical history, with confusional syndrome and intracranial hypertension, who was diagnosed meningioma using computed tomography. The tumour, with thickened dura, was removed using Simpson i procedure. The histopathology study showed dyscrasia, positive plasma cells, and positive for CD138, CD79a, and lambda. A plasmacytoma was diagnosed after tests were performed to rule out multiple myeloma. Due to the similarities, both in clinical and neuroimaging, that can be shared by meningiomas and plasmacytomas, adequate correlation with the histopathology and immunohistochemistry diagnosis is necessary for decision making, since the prognosis and treatment depend on the differential diagnosis. © 2017 Instituto Nacional de Cancerologia. Published by Elsevier Espana, S.L.U. All rights reserved.
Keywords : Plasmacytoma; Multiple myeloma; Meningioma; Immunohistochemistry.