Bladder Urothelial Carcinoma in a Child: Case Report and Review of Literature.

Bladder urothelial carcinoma (UC) it is the fifth most prevalent carcinoma in humans, nevertheless in children and young adults it's very rare. It usually occurs in older adults. Literature on UC in pediatric population is limited and important information (risk factors, follow-up protocols, etc.

Microsatellite instability--MSI markers (BAT26, BAT25, D2S123, D5S346, D17S250) in rectal cancer.

Background: Colorectal cancer has an important genetic component. Microsatellites are considered phenotypic markers of prognosis, therapeutic response and identify patients with mutations in DNA repair genes.

Aim: To evaluate the molecular profile of tumors underwent to transanal endoscopic microsurgery-TEM in surgical treatment of rectal cancer.