A 60-year-old man has rectal bleeding, altered bowel habit and weight loss. What is the investigation of choice?

Answer and explanation

Correct answer: D. Colonoscopy

  1. Step 1: Colonoscopy allows visualisation and biopsy of colorectal cancer. Answer: Colonoscopy. Why not the others: Barium meal, Abdominal radiograph and Faecal occult blood only don't fit.

Practise more Emergency medicine, urology and vascular surgery.

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