Epiploic appendagitis

Case contributed by Dr Subhash Tailor


Pain in the left lower quadrant.

Patient Data

Age: 25 years
Gender: Male

Ultrasound transverse and oblique sagittal scans of left lower quadrant showing a well defined hyperechoic fat mass adjacent and anterior to descending and sigmoid colonic junction, just deep to the anterior abdominal wall. No internal vascularity on Doppler evaluation. Adjacent colonic wall appeared normal thickness. No focal fluid collection. The lesion appeared at the point of maximum tenderness. 

Case Discussion

Epiploic appendagitis is inflammation of mesenteric fat due to torsion of a mesenteric fat lobule ("appendage"). The lesion is seen adjacent to colon and anterior abdominal wall, as pericolonic inflamed fat at the site of maximum tenderness in left lower quadrant. Usually, no internal vascularity or focal fluid collection is associated. Adjacent colon appears normal in mural thickness and gut signature. Most cases are in middle-aged and obese patients, however, this case is a young male.

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Case information

rID: 56778
Published: 21st Nov 2017
Last edited: 16th Jul 2018
Inclusion in quiz mode: Included
Institution: Subhash Ultrasound Imaging Centre

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