Extramedullary Plasmacytoma Presenting as a Solitary Mass in the Intracranial Posterior Fossa

AuthorMohammad Hossein Daghighi
AuthorMasoud Poureisa
AuthorMohammad Shimia
AuthorRamin Mazaheri-Khamene
AuthorShadi Daghighi
Issued Date2012-11-01
AbstractAbstract: A patient with a 3-month history of headache refractory to pain medication was admitted. The CT scan and MRI showed evidence of a posterior fossa mass. This was pathologically confirmed as an extra medullary plasmacytoma (EMP). He had a pathologic fracture of the left humerus 7 years ago while the radiologist was unaware at the time of diagnosis. A solitary bone plasmacytoma (SBP) was the cause of the pathologic fracture. This report includes the first description of MRI findings in a patient with a rare-incidence intracranial solitary extra medullary plasmacytoma (SEP) in Iran. There is a striking similarity between the features of intracranial SEP and meningiomas. Intracranial SEP, although rare, should be included in the differential diagnosis of brain tumors in areas where meningiomas commonly arise. The MRI findings and differential diagnosis of plasmacytoma are reviewed. Before this case report, only few cases have been reported in the literature. Nonetheless, this is the first report of posterior fossa EMP from Iran.
KeywordMagnetic Resonance Imaging
KeywordPosterior Fossa
TitleExtramedullary Plasmacytoma Presenting as a Solitary Mass in the Intracranial Posterior Fossa
TypeCase Report
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