Solitary plasmacytoma of bone
SPB makes up 1%-2% of plasma cell neoplasms and occurs more commonly in men, with a median age at diagnosis of 55 years. It is very rare under the age of 30.
Patients present with bone pain or pathologic fracture. If a vertebra is involved, spinal cord compression and associated symptoms may occur. Rarely, patients may present with a palpable mass involving surrounding soft tissue.
C90.30 – Solitary plasmacytoma not having achieved remission
426336007 – Solitary osseous myeloma
Differential Diagnosis & Pitfalls