Rectal Plasmocytoma: cases report and literature revision

Plasma cell neoplasia occur in the malignant transformation of the early cell β precursors and plasma cells may group together in isolation in bones and other soft tissues without systemic manifestations; they are called plasmocytomas. Plasmocytomas outside the marrow are a rare presentation of plasma cell neoplasia. Only l % of these tumors present outside the bone marrow, two cases of rectal plasmocytoma are discussed, one of which was treated by pelvic radiotherapy and the other with surgical resection; at the time or this publication, neither shows any evidence of systemic disease