Atypical granular cell tumour of urinary bladder - case report of an extremely rare neoplasm

We report a case of a 59-year-old woman presenting with haematuria and suprapubic pain. Cystoscopy revealed a spherical lesion within the urinary bladder, which was subsequently removed by transurethral resection. Histopathology confirmed the diagnosis of an atypical granular cell tumour (AGCT). So far, during 12 months of follow-up, no evidence of tumour relapse has been detected. This article highlights the challenges associated with bladder AGCT, emphasising the importance of histopathological examination and appropriate management. Bladder AGCT presents with non-specific symptoms that delay its diagnosis. This case emphasises the need for further research to improve treatment and follow-up guidelines for bladder AGCT.