Value of DWI combined with routine MR sequence for the diagnosis of anal fistula

Objective:To explore the value of DWI combined with routine MR sequence for the diagnosis of anal fistulaMethods:20 patients with suspected anal fistula were examined with routine MR sequence and DWI,and the display rates of anal inner and outer fistula,fistula branch and abscesses were compared.Results:Routine MR sequence displayed fistula 22,inside mouth 14,outside mouth 22,abscesses 14;DWI displayed fistula 25,inside mouth 16,outside mouth 23,abscesses 17.Conclusion:DWI combined with routine MRI is a sensitive diagnostic method for anal fistula examination,it can provide important informations about anal fistula.Especially it can improve the detection rate of fistula combined with perianal abscess.