Lichen sclerosus presenting as an isolated bulbar urethral stricture.

Lichen sclerosus (LS) is a chronic inflammatory condition of the anogenital skin that can cause significant urinary and sexual dysfunction in men, particularly by means of destructive urethral disease. LS is traditionally thought to progress from the meatus with migration along the urethra proximally, however we present a case describing an isolated bulbar urethral stricture secondary to LS. To our knowledge, this has only been reported in the literature in one previous study.

Sarcomatoid urothelial carcinoma of the ureter with heterologous elements of chondrosarcoma and osteosarcoma, and concurrent divergent squamous differentiation: A rare case report.

Primary sarcomatoid urothelial carcinoma of the ureter with heterologous elements is rare and carries a poor prognosis. Although there is some literature on primary bladder sarcomatoid urothelial carcinoma, ureteric involvement has been reported infrequently, and this case report describes this unusual histological finding with concurrent divergent squamous differentiation. Despite laparoscopic radical nephroureterectomy, our patient died within six months of diagnosis with local recurrence and metastatic spread.