Abstract

The authors report a case of a patient with locally advanced plasmacytoid urothelial carcinoma (PUC) of the bladder. A 71-year-old man with a history of chronic obstructive pulmonary disease presented with gross hematuria. The rectal examination revealed a fixed bladder base. A computed tomography scan showed a pedunculated lesion arising from the anterior and left lateral bladder wall and extended to the perivesical fat. The patient underwent transurethral resection of the tumor. The histologic examination revealed the presence of muscle-invasive PUC of the bladder. The decision of the multidisciplinary consultation meeting was to do palliative chemotherapy. Thus, the patient could not receive systemic chemotherapy and died 6 weeks after transurethral resection of the bladder tumor. A plasmacytoid variant of urothelial carcinoma is a rare subtype of urothelial carcinoma that has a poor prognosis with a high mortality rate. The disease is usually diagnosed at an advanced stage. Given the rarity of plasmacytoid bladder cancer, treatment guidelines are not clear; therefore, more aggressive treatment may be required. PUC of the bladder is characterized by high aggressiveness, an advanced stage at the time of diagnosis, and a poor prognosis.

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