Highlights • Perianal squamous malignancies are often misdiagnosed leading to delay in treatment.• Surgical management aims to preserve sphincter function.• Chemoradiation is preferred in cases of suspected sphincter involvement.• Some… Click to show full abstract
Highlights • Perianal squamous malignancies are often misdiagnosed leading to delay in treatment.• Surgical management aims to preserve sphincter function.• Chemoradiation is preferred in cases of suspected sphincter involvement.• Some superficial muscle fibers may be resected in select cases without loss of function.
               
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