Solitary Bone Plasmacytoma Mimicking Oral Cavity Neoplasm - A Rare Case.

Plasmacytomas are localized monoclonal plasma cell lesions with no evidence of systemic involvement which are divided into solitary bone plasmacytoma (SBP) and extra-medullary plasmacytoma (EMP). The diagnosis of plasmacytomas (PCM) in the oral regions is challenging given the atypical clinical manifestations and low frequency. Here, we report an extremely rare case of plasmacytoma in an elderly male which initially appeared to be arising from the left buccal mucosa on clinical examination but after radiological imaging and intra-operative findings, the epicentre was found to be in the left infratemporal fossa (ITF). The patient underwent en-bloc compartment resection with high clearance of the ITF which proved to be an effective management strategy. It is crucial for the head and neck surgeon to be aware of the solitary bone plasmacytoma in the oral and maxillofacial region in order to identify it early and provide these patients with the best care possible before complications arise.

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