[Solitary extramedullary plasmocytoma of the small intestine]. / Plasmocitoma extramedular solitario del intestino delgado.

A case is presented of PES of the small intestine debuting with subocclusive crises. After the preoperative study the patient was diagnosed as probable neoplasm of the small intestine. In the operation was confirmed an annular stenosing ileal tumor that respected the serosa. Ample intestinal resection was practiced with a normal postoperative recovery. The pathology report indicated plasmocytoma, the immunoperoxidase technique being negative. The existence of multiple myeloma and other lesions at a distance was excluded. Almost a year after the operation the patient remains asymptomatic and free of recurrence. A review of the literature is offered.