PMC5479962_01
Peri-anal fistula before surgery.
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A Caucasian Greek 79 years old male presented in our general hospital for investigation of an anal fistula with a recurrent perianal abscess that was treated as a benign condition. (Fig. 1) Clinical examination revealed the presence of a longstanding perianal fistula which appeared to be transsphincteric.
Fistula presenting in pelvic MRI.
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The patient underwent pelvis Magnetic Resonance Imaging (Fig. 2) and colonoscopy.
Surgical specimen.
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The patient underwent laparoscopic abdominoperineal resection with complete excision of both lesions (Fig. 3) and the pelvic floor was strengthened by a biological mesh(Fig. 4)