Sigmoid diverticulitis, aortitis, and nodular adrenal hyperplasia

Case contributed by Michael P Hartung
Diagnosis almost certain


Left lower quadrant pain.

Patient Data

Age: 55
Gender: Female

Thickening of the sigmoid colon with pericolonic stranding and small unorganized fluid. Reactive inflammation posterior bladder wall. No free air. 

Ectasia infra-renal abdominal aorta with surrounding stranding and mildly prominent nodes. 

Enlarged multi-nodular adrenal glands. 

Case Discussion

Typical findings of acute uncomplicated sigmoid diverticulitis. 

The infrarenal abdominal aorta is ectatic and inflamed, raising concern for superimposed infectious aortitis. 

The adrenal glands are markedly nodular and have a typical appearance for nodular adrenal hyperplasia. 

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.