INTRAVESICAL THIOTEPA-INDUCED EOSINOPHILIC CYSTITIS

Eosinophilic cystitis is a rare form of an allergic cystitis. Factors such as food allergens, parasites, and drugs have been implicated in t he genesis of eosinophilic cystitis. Associated risk factors include b ronchial asthma, atopic diseases, and environmental allergens. Intrave sical mitomycin is a reported causative agent. We report the first cas e of eosinophilic cystitis that developed after intravesical instillat ion of thiotepa for treatment of superficial bladder cancer.