Hourglass Bladder Deformity Induced by Chronic Ketamine Abuse.

Regular and chronic use of ketamine causes inflammatory changes in the urinary tract. Imaging has a crucial role in the assessment of this pathology. A particular imaging characteristic of an hourglass-shaped bladder is highlighted in three cases of ketamine intoxication. Teaching point: Three cases of ketamine intoxication with a characteristic bladder deformation are reported.