Case presentation highlights skin lesions and tongue difficulty in an adolescent, suggesting a specific diagnosis.
An adolescent boy presented with more than 10-year history of skin discoloration and difficulty protruding the tongue. Clinical examination revealed waxy, glistening nodules with a pale, firm, cobblestone-like appearance along the lateral borders and ventral surface of the tongue. What is your diagnosis?
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Xie et al. (2026) studied this question.
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