Practice question answers lower urinary tract pathology
Practice question answers Lower urinary tract pathology © Jun Wang, MD, PhD 1. C. Hematuria may be caused by various disorders. Outpouching of ureter without atypical cells are most consistent with diverticula . Urothelial carcinoma of ureter usually presents with mass (filling defects, obstruction, etc) during image studies. In addition, all urothelial neoplasms likely have atypical cells identified in urine, same as bladder cancers . 2. E. The patients presents with symptoms of bilateral urinary obstruction. Image studies reveal a pelvic mass. Microscopic finding of fibrous tissue without atypia is most compatible with a benign fibrotic process, i.e. sclerosing retroperitoneal fibrosis , a condition of IgG4 associated diseases. The plasma cells usually contains IgG4. Diffuse large B cell lymphoma is characterized by sheets of markedly atypical cells expressing CD20, not scattered lymphocytes and plasma cells. Fibrosarcoma is characterized by hypercellular spindle cel...