Hypertrophic proctosigmaditis (proctosigmoiditis hypertrophicus; Greek proktos - rectum; Latin sinus - sinus + mayo - enlargement, hyperemia) - inflammation, prolonged expansion of the sigmoid colon, expressed by thickening of the walls and an increase in the volume of the organ. As a rule, the mucous membrane of the sigmoid and rectum is affected. Hypertrophic proctosigvaditis is an acute or chronic diffuse nonspecific process. Harak