Table 1 RVFs Classification [24]

AETIOLOGY:

• Congenital

• Acquired

   - Traumatic (obstetric, post-operative, caused by rape or foreign bodies)

   Infectious (perirectal abscesess. diverticulitis. tuberculosis, lymphogranuloma venereum, Bartholin gland abscesses)

   Chronic linflommattny Bowel Diseases (Crohn is Disease and Ulcerative Colitis) Post-radiotherapy

   - Neoplasms (primary. recurrent, metastatic)

   Idiopatic

LOCATION:

   • High (With the orifice fistulosus to the level of back fornix)

   • Mid (between uterine cervix and the vaginal fork)

   • Low (to the level of the vaginal fork): divided into oversphinteric and intrasphinteric

SIMPLE: Low or with diameter < 2.5 cm (traumatic or infectious)

COMPLEX: High with diameter > 2.5 cm (Inflammatory Bowel Diseses, post-radiorh., neoplasms).