Hemorrhoids are collections of submucosal, fibrovascular, arteriovenous sinusoids that are part of the normal anorectum. External hemorrhoids are located distal to the dentate line and internal hemorrhoids are located proximal to the dentate line. The purpose of these “vascular cushions” is not fully understood, but they appear to be important for sensing fullness and pressure...Read More
Prof. Francesco Sammartino
Il Prof Francesco Sammartino è specialista in chirurgia Generale e Mininvasiva e si occupa della chirurgia delle malattie dell’apparato gastroenterico.