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Dermatology · Skin tumours: kangri cancer
Sample itemA 60-year-old Kashmiri man who keeps a kangri (firepot) under his clothes has a non-healing ulcerated nodule on the thigh with hyperpigmented reticulate skin around it. What is the most likely diagnosis?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. Squamous cell carcinoma (kangri cancer)
Kangri cancer is squamous cell carcinoma arising on chronically heat-damaged skin of the thighs and abdomen from the Kashmiri kangri. It is a form of Marjolin-type ulcer in erythema ab igne. Treatment is wide excision with assessment of regional nodes.
Option by option
A. Melanoma
Melanoma is not the typical tumour of chronic heat damage.
B. Squamous cell carcinoma (kangri cancer) (correct)
Correct. Chronic heat injury leads to SCC, known as kangri cancer.
C. Cutaneous tuberculosis
Skin tuberculosis does not produce this clinical setting.
D. Basal cell carcinoma
BCC is less typical at this site.
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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