A Rare Case of Eosinophilic Cystitis in an Elderly Male Mimicking as Carcinoma Bladder

Eosinophilic cystitis (EC) is a rare inflammatory condition, first described in 1960 by Brown & Palubinskas.[1] Aetiology remains unclear, although it has been associated with bladder wall injury/allergies in most cases. Histopathologic diagnosis includes transmural inflammation of the urinary bladder with eosinophilia.[2] The patient presents with a spectrum of urological symptoms such as urine frequency (67%), dysuria (62%), gross/microscopic hematuria (68%), suprapubic pain (49%) & urinary retention (10%).[3] In this rare case, an elderly male presenting with clinical & radiological features suggestive of Carcinoma (Ca) bladder ended with a diagnosis of eosinophilic cystitis post-biopsy.