RIF abdominal pain for three days.
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Moderate fat stranding surrounds the dilated (15 mm) fluid filled appendix arising from the lateral aspect of the caecal pole and extending inferiorly and anteriorly, measuring approximately 7 cm in total length. No collection or evidence of perforation identified. No free fluid or pneumoperitoneum. The remainder of the bowel and solid organs appear normal. Multiple prominent subcentimetre mesenteric and retroperitoneal lymph nodes.
Appendicitis without evidence of perforation. The multiple enlarged draining lymph nodes are probably reactive.
Key learning points:
- appendix is typically located
- inferior to the ileocaecal valve, arising from the posteromedial aspect of the caecum (90%)
- tip of the caecum (10%)