<prompt> Most pathognomic in pelvic abscess is:ConstipationMucopurulent DischargeLoose stoolBleeding  <response>: Mucopurulent discharge 1263-65-Baily Love 24th 753-CSDT 12th 996-B L 25th Most common pathology for pelvic - abscess is - Anal gland infections The most characteristic symptoms are diarrhea and the passage of mucus in the stool A patients with fistula in ano may report a history of severe pain, blood purulent drainage associated with resolution of the pain and subsequent chronic mucopurulent discharge Ano-rectal abscess Usually produces a painful, throbbing swelling in the anal region patient often has swinging pyrexia. Subdivided according to site into perianal Most common ischiorectal, submucous and pelvirectal. Underlying conditions include fistula is ano most comon Crohns disease, DM, Immunosuppression. Treatment is drainage of pus in first instance, together with appropriate antibiotics. 