Quiz — what’s the diagnosis?
Look at the images, read the history and pick the most likely diagnosis. Your score is kept on this device.
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X-ray
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Supine abdominal radiograph.
Image: Mont4nha, CC0 — source
Case 1018
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Presentation
Gross abdominal distension and absolute constipation over two days.
- A massively dilated, inverted U-shaped loop of large bowel rising from the pelvis towards the upper abdomen — the coffee bean sign
- Absent haustral markings in the twisted loop
- Dilated proximal colon