[Rectal mucosal prolapse syndrome: study of cases. Hospital Daniel A Carrion, Lima, Peru, 2010-2013].

to describe the clinical, endoscopic, and histological characteristics of rectal mucosal prolapse syndrome, formerly known as Solitary rectal ulcer, in patients from a general hospital.All patient diagnosed as rectal mucosal prolapse syndrome during 2010-2013 was selected; the medical history war reviewed and the histological slides were reevaluated by two pathologists.17 cases of rectal mucosal prolapse syndrome were selected, the majority were males under 50 years, the most common clinical findings were rectal bleeding (82%) and constipation (65%), the endocopic findings were heterogeneous,: erythema (41%), ulcers (35%) and elevated lesions (29%). All cases presented fibromuscularhyperplasia in lamina propia and crypt distortion in the microscopic evaluation.In our study of rectal mucosal prolapse syndrome. The most common clinical findings were rectal bleeding and constipation. Erythematous mucosa was the most common endoscopic finding.