PMC6536772_01
Pelvic computerized tomography (CT) revealed a sharp radiopaque image on the rectum.
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a)Pelvic nuclear magnetic resonance revealed a 6 x 2 x 3 cm supralevator abscess with one major inter-sphincteric fistulae from the inferior margin of this collection; b) illustration of supralevantor abscess (green).
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On the sixth post-operative day due to persistent rectal purulent discharge, a pelvic MRI was performed and a 6 x 2 x 3 cm supralevator abscess adjacent to the prostatic lateral face and to the internal obturator muscle, one major inter-sphincteric fistulae from the inferior margin of this collection, with an inferior and posterior direction, with a length of 2 cm were identified (Fig. 3).
a) Pezzer  (P0) drain through the fistula tract; b) illustration of the supralevantor abscess (green) with the drain (red) trough inter-sphincteric fistulae.
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Drainage, washout, and placement of a Pezzer  (P0) drain through the fistula tract was done (Fig. 4).
a) Illustration of the marsupialization of the path left by the drain (3 cm) using a ENDO GIA  30 - 3.5 mm cartridge (blue); b) final result after marsupialization; illustration of the final result.
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He was proposed for definitive treatment, with extraction of the drain and marsupialization of the path left by the drain (3 cm) using a ENDO GIA  30 - 3.5 mm cartridge (Fig. 5).