Ileocecal non-Hodgkin lymphoma (NHL) with intussusception

Case contributed by Dr Ammar Haouimi

Presentation

Abdominal pain with a palpable mass on clinical examination.

Patient Data

Age: 50 years
Gender: Male

The CT scan demonstrates:

  • huge ileocolic intussusception with the lead point from the ileum in the mid transverse colon
  • intraluminal solid/cystic mass acting as the lead point for the intussusception, measuring 11.5 x 6.8 x 6.2 cm with a heterogeneous enhancement of the solid component
  • dilatation of the proximal portion of the terminal ileum with feces sign
  • No dilatation of the rest of the small bowel loops
  • distended thin-walled appendix with fluid-filled well-visualized on reconstructed images
  • minimal effusion in Douglas pouch

Case Discussion

CT features of an ileocolic intussusception with intraluminal mass. Colonoscopy with biopsy was performed confirming the diagnosis of non-Hodgkin lymphoma (NHL)

The most common causes in adults are the GIT neoplasms:

  • colorectal carcinoma (most common)
  • small bowel lymphoma/Burkitt lymphoma
  • carcinoid tumors
  • GIST
  • metastases, e.g. malignant melanoma, breast cancer, lung cancer

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