Written and medically reviewed by: Assoc. Prof. Cengiz Dibekoğlu, MD, General SurgeryLast updated:
Diverticulitis Diagnosis
Acute phase and afterward
Suspected acute diverticulitis is usually evaluated with contrast-enhanced CT, which shows inflammation, abscess, perforation, or fistula. Colonoscopy is generally deferred in the hot phase and planned after recovery to exclude cancer when indicated.
Educational schematic. Some structures may be simplified or emphasized for clarity; not an exact anatomical depiction.
© Cengiz Dibekoğlu — illustrative; not for unauthorized use
Figure summary
This educational figure shows: Diagnosis · CT role.
Key points
CT role
Defines segment, abscess size, free air, and complications—guides outpatient vs admission vs drainage.
Laboratory
White count and CRP support severity; normal values do not exclude early disease.
Colonoscopy timing
After recovery—especially after complicated attack or no recent quality colonoscopy—to exclude cancer or stricture.
Differential diagnosis
Colon cancer, IBD, ischemic colitis, UTI, and gynecologic disease can mimic diverticulitis.
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Appointment / info
This page is for education. It is not medical advice and does not replace a visit with your physician.
Medical editor: Assoc. Prof. Cengiz Dibekoğlu, MD · Last medically reviewed: August 2026 · English patient-education chapter.