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A case report of primary complex anal fistula with 7 external openings treated with combined preoperative 3D MRI
Yongping Hong1, Yonggang Qiu2, Guofeng Li1
1Department of Anorectal Surgery, The First People's Hospital of Xiaoshan District, Hangzhou, Zhejiang, P.R. China.
Introduction:
Anal fistula is a common perianal disease, but primary complex anal fistulas with 7 external openings is extremely rare.
Patient Concerns:
We report a case of a 36-year-old man with a 10-year history of recurrent pus flow from paranal mass.
Diagnosis:
Primary complex anal fistula.
Interventions:
The patient underwent fistulotomy plus seton, which we successfully completed with the aid of 3-dimensional (3D) reconstruction model created from magnetic resonance imaging (MRI).
Outcomes:
The wound healed well and there was no recurrence 8 months after surgery.
Conclusion:
In the treatment of complex anal fistula, the combined application of 3D MRI model will be beneficial to obtain better surgical results.
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