Abstract
Epiploic appendagitis (EA) is inflammation of epiploic appendages, which are pedunculated fatty structures, extend from the cecum to the rectosigmoid junction, and are covered by the peritoneum. Torsion, infarction, and inflammation of it present with acute lower abdominal pain and localized tenderness in a well-looking patient. It poses as diagnostic conundrum due to its rarity and not picked by conventional radiography. A 50-year-old male presented with pain in RLQ for past 1 day, which kept on increasing without any other symptoms. His abdomen was soft with tenderness localized to the right lower quadrant (RLQ), classically at McBurney’s point along with mild peritonism. Rest laboratory test, chest, and abdominal X-ray were normal except slight leukocytosis. Ultrasound was inconclusive. A working clinical diagnosis of appendicitis was made. Patient did not consent for surgery and was started on antibiotics with pain killers. With no significant improvement, he underwent CT scan which revealed focal area of soft-tissue attenuation along the lateral wall of ascending colon with fat stranding. He was diagnosed as EA and improved on conservative treatment. EA of RLQ of abdomen mimics acute appendicitis and can be considered as an uncommon differential diagnosis in presence of radiological findings of normal-appearing appendix. CT is the investigation of choice, and treatment is essentially conservative. Further, if appendix is found normal at exploration, surrounding epiploic appendages of the cecum and ascending colon should also be evaluated carefully for inflammation/hematoma/gangrene, besides looking for Meckel’s diverticulum.
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