Gastrointestinal infiltration secondary to extramedullary anaplastic plasmacytoma. A rare cause of intestinal subocclusion and upper gastrointestinal bleeding.

Extramedullary plasmacytoma is rare, it can appear alone or associated with multiple myeloma, representing an extramedullary progression of the disease. We present the case of a 62-year-old woman diagnosed with multiple myeloma who, being in complete remission began to experience abdominal pain and nausea. A rare cause of intestinal subocclusion and upper gastrointestinal bleeding.