Definition Four types. In the primary or metastatic sites, urothelial carcinoma with stroma that: Has pseudosarcomatous response; Shows osseous or cartilaginous metaplasia; Contains osteoclast-type giant cells; or Has prominent lymphoid infiltrate Clinical features Epidemiology Rare urothelial carcinoma variant Presentation Hematuria…
Definition The carcinomas of the urothelial tract resembling giant cell tumors of bone Clinical features Epidemiology Rare variant of invasive urothelial carcinoma Male predominance Elderly age (majority in 7 th decade or older) You’re Reading a Preview Become a Clinical…
Definition Infectious disease of urinary bladder caused by microorganisms (bacteria, viruses, fungi, or parasites) Clinical features Epidemiology Bacterial cystitis Most common cause of cystitis Much more common in women due to short urethra, drier periurethral environment and lack of antibacterial…
Definition Reactive proliferative change in the form of solid urothelial nests beneath urothelium, seen along the entire urinary tract, considered a variant of the normal urothelial histology, and may also occur as a result of local inflammation. Clinical features Epidemiology…
Definition The variant of prostatic adenocarcinoma with cancer glands having a scant volume of cytoplasm, which can be mistaken for atrophy or postatrophic hyperplasia. Clinical features Epidemiology Two percent incidence in needle core cases, 16% incidence in radical prostatectomy specimens…
Definition Benign, small acinar proliferation of the prostatic glands that occurs exclusively in the verumontanum and adjacent prostatic urethra. A potential mimic of prostate adenocarcinoma. Clinical features Epidemiology Older patients (age 47–87) Incidental finding in 14% of radical prostatectomy specimens…