Presenting an atlas of Hunner lesions in interstitial cystitis which can be identified with office cystoscopy.

To assist clinicians in proper visual diagnosis of Hunner lesions by providing an atlas of representative images of the variability in Hunner lesion appearance.

Available cystoscopic images of Hunner lesions were reviewed from patients with interstitial cystitis or bladder pain syndrome (IC/BPS) treated by a single clinician between 2011 and 2020.