Chronic inflammation of the urinary bladder can cause benign exophytic lesions of the urinary bladder at any age.
(1) indwelling urinary catheter
(2) vesical fistula
(3) other chronic inflammation of the urinary bladder mucosa
On cystoscopy there is cystitis with friable mucosa and exophytic lesions that may be multifocal.
slender, finger-like (width less than length)
thick with broad base (width equals length)
width greater than length
(1) chronic inflammation
(2) edematous fibrovascular core
(3) nonbranching papillae
(4) variable reactive atypia
(1) papillary urothelial neoplasm
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Specialty: Nephrology, Clinical Laboratory