Soft Tissue Mass Extramedullary Plasmacytoma Following Radiation Therapy for Solitary Bone Plasmacytoma.

Soft tissue involvement in extramedullary plasmacytoma (EMP) is an exceptionally rare occurrence within the spectrum of plasma cell neoplasms. This case report presents the unique scenario of a patient who developed a soft tissue mass EMP subsequent to receiving radiation therapy for a solitary bone plasmacytoma at a distinct anatomical site. The primary objective of this report is to elucidate the clinical characteristics, diagnostic complexities, and management considerations associated with this uncommon presentation. Through a comprehensive review of existing literature, we aim to provide valuable insights and expertise to healthcare providers involved in the assessment and treatment of similar cases.