Pulmonary tumor thrombotic microangiopathy associated with urothelial carcinoma of the urinary bladder: antemortem diagnosis by pulmonary microvascular cytology.

Abstract

Key Clinical MessagePTTM (Pulmonary tumor thrombotic microangiopathy) is very difficult to diagnose before death. We report a case of urothelial carcinoma of the urinary bladder associated with PTTM in which an antemortem diagnosis by PMC (pulmonary microvascular cytology). PMC may represent the only chance for diagnosis and achievement of remission in PTTM.