Corynebacterium species, typically considered contaminants in urine culture, can cause encrusted cystitis (EC), a form of chronic urinary tract infection causing pain, bladder necrosis, renal failure, and death. Delayed diagnosis is common due to its rarity and the fastidious nature of Corynebacterium urealyticum. Reported mostly in elderly and immunocompromised patients, EC is rare in pediatric patients. A female adolescent on high dose steroids developed persistent dysuria after urinary catheterization. Abnormal bladder ultrasound and characteristic cystoscopy led to the diagnosis of EC. Appropriate treatment instituted 4 months from onset of dysuria led to an excellent response.
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