surgical procedures and management

Apr 15th, 2015
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BENIGN ANORECTALSURGICALCONDITIONSDR. GEORGE W. O. MUGENYAMBChB, MMed, FCS (ECSA)BENIGN ANORECTAL CONDITIONS2IntroductionSurgical AnatomyExamination of the AnusCommon Anal ConditionsINTRODUCTION3Anal and perianal disorders makeup about 20%of all outpatient surgical referrals.These conditions are extremely distressing andembarrassing to patients.Patients often put up with symptoms for longtime, before seeking medical care.INTRODUCTION4The common anorectal symptoms are :Anal bleedingAnal pain and discomfortPerianal itching and irritationSomething coming downPerianal dischargeSURGICAL ANATOMY5 The anal canal is 3 to 4 cm long and isdirected downward and backward from therectum to end at the anal orifice. The mid of anal canal (dentate line)represents the junction betweenendoderm and ectoderm. Anus provides continence for flatus andfaeces.SURGICAL ANATOMYSURGICAL ANATOMY7The upper is lined by columnar epithelium and thelower is lined by squamous epithelium , hence : Cancer of the upper is adenocarcinoma. Cancer of the lower part is squamous cellcarcinoma.The blood supply: upper of the anal canal is from the superior rectalvessels. lower and the surrounding anal skin, is from theinferior rectal vessels which derives from theinternal pudendal ultimately from the internal iliacvessels.SURGICAL ANATOMY8The ly

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