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Dermatology · Papulosquamous disorders: Cronkhite-Canada syndrome
Sample itemA 60-year-old man has chronic diarrhoea with protein-losing enteropathy, diffuse alopecia, nail atrophy and hyperpigmented macules on the palms. Endoscopy shows numerous gastrointestinal polyps and there is no family history. What is the diagnosis?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Cronkhite-Canada syndrome
Cronkhite-Canada syndrome is a non-hereditary polyposis of adults with diarrhoea, alopecia, nail changes and hyperpigmentation. Nutritional support and steroids are used.
Option by option
A. Cronkhite-Canada syndrome (correct)
Correct. Acquired polyposis with alopecia, nail loss and pigmentation is Cronkhite-Canada syndrome.
B. Peutz-Jeghers syndrome
Peutz-Jeghers syndrome is hereditary, with perioral lentigines and hamartomatous polyps from youth.
C. Cowden syndrome
Cowden syndrome has trichilemmomas and hamartomas and a family history.
D. Gardner syndrome
Gardner syndrome has adenomatous polyps with osteomas and epidermoid cysts.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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