CTICasesDisseminated plasmacytomas causing small bowel intussusception
Imaging findings
Chest radiograph shows a left paraspinal/medial basal mass. CT scan shows multiple large, enhancing soft tissue masses in the paraspinal space, adrenal gland, breast, and omentum/peritoneum, with a bowel-wall mass acting as a lead point for small bowel intussusception.
Key takeaways
Multiple myeloma can rarely present with widespread extramedullary plasmacytomas in the soft tissues, mimicking metastatic carcinoma or lymphoma. When presenting with acute abdominal pain, lead-point intussusception from a bowel plasmacytoma should be considered.
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