Sigmoid diverticulitis (MRI)
Left lower abdominal pain.
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Axial T2 fat sat
- T2FS sequence shows increased signal in a short segment of sigmoid colon as well as increased signal in the perisigmoid mesenteries, compatible with inflammatory change
- the signal change is centered around an ovoid signal void, compatible with a diverticulum
- T1W sequence shows sigmoid and perisigmoid inflammatory changes (e.g. hypointense stranding) with better delineation of the diverticulum than on the T2FS sequence