摘要：Aims and Objectives : To evaluate role of transcutaneous perianal ultrasound (TPUS) in evaluation of fistula in ano and to assess its possible role as a substitute to MRI and endoanal ultrasound.
Material and Methods : TPUS was performed in 15 patients of fistula in ano using Toshiba Eccocee, Justvision, Nemio (Japan) with a 3.5MHz sector probe, 7-11MHz linear probe and 5-7MHz endocavitatory probe. Patients were followed up clinically and at surgery to assess the accuracy of TPUS.
Results : TPUS reliably and adequately demonstrated majority of fistulas and abscesses. It cannot adequately evaluate suprasphincteric type of fistulas, which are the least common. It acts as a good and cheap modality in the evaluation of patients of fistula in ano and also helps in follow up of these patients. It can also be used as a screening procedure to select patients who need MRI.
关键词：TPUS has a potential to obviate need of MR evaluation for fistula in ano in a majority of patients.
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