Terminal ileal lymphoma resembling abdominal abscess

A 23-year-old man presented to the emergency service with abdominal pain. The ultrasound study showed an area with thick wall and internal air–fluid levels. Appendix vermiformis could not be distinguished as a dividual structure. Radiological appearance was thought to be periapendicular abscess due to the perforation of appendix vermiformis. However, due to the persistence with normal small bowel loops shown, this area could be a possible dilated bowel loop with mural thickening. Therefore, …