Inclusion Criteria:  Male or Female consulting for hemorrhoidal pathology (grade II or III) after failure of medico-instrumental treatments. Age ≥ 18 years and < 75 years Mandatory affiliation to a health insurance system. Patient having been informed of the study and having given informed consent  Exclusion Criteria:  Patients with chronic inflammatory bowel disease Patients with suspected gastro-colic pathology Haematological diseases Anal fistulas Patients unable to discontinue anti-vitamin K or oral anticoagulants Associated anal fissure External haemorrhoidal disease Pregnant or breastfeeding women Patients under legal protection