History: A 28-year-old man presents to the emergency department complaining of anal and lower-back pain for the previous 36 h. He has tried taking simple analgesics with no benefit. The pain is progressively getting worse and he is now finding it uncomfortable to walk or sit down. He is otherwise fit and well and smokes 10 cigarettes a day. Examination Inspection of the anus reveals a 3 cm ×3 cm swelling at the anal margin.
The swelling is warm, exquisitely tender and fluctuant. There is no other obvious abnormality. No other patient history available. What is the diagnosis and treatment required? *This case is from Docplexus Editorial team for educative purpose only Source: 100 Cases in surgery The correct answer is posted in the comment section- click here
