Priapismo secundario a infiltración peneana por contigüidad de carcinoma vesical infiltrante

metastasic priapism is a rare entity produced by tumor cell implantation or direct infiltration of corpora cavernousum of the penis. in up to 80% of cases the primary tumor has an urological origen like prostate or bladder cancers. treatment depends on syntomatology and patient？s prognosis. generally, average survival in these patients is poor due to metastasic progression, among 1 to 1 and a half years. we present a case report of secondary priapism for direct bladder carcinoma？s invasion of the corpora cavernousum. a total penectomy due to a penile infected necrosis was required.