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Introduction
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Aim of the Work
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Review of literature
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Embryology of the rectum and anal Canal
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Anatomy of the rectum and anal Canal
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Physiology and mechanism of Defecation and Continence
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Pathogenesis and aetiology of fistula in ano
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Classification of anal fistulae
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Incidence
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Diagnosis of anal fistulae
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Treatment of anal fistulae
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Patients and Methods
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Results
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Discussion
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Summary
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Conclusion
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References
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Arabic Summary