World J Emerg Surg
April 2024
Background: The late adverse effects of radiotherapy are caused by microvascular injury or depletion of differentiated cells.
Methods: Here we describe a clinical case of a late and unusual complication related to radiotherapy, in a patient with a history of squamous cell carcinoma of the anal canal.
Results: The patient presented with a large perianal vegetating lesion suspicious of local recurrence, however the biopsy of the lesion did not show malignancy.