A case of beningn migratory glossitis (geographic tongue): N
A 73-year-old man was referred to this clinic by his primary care physician, who noted an unusual red lesion that had been moving across the dorsum of the man’s tongue for approximately 3 months. The patient was a former smoker who was being treated for essential hypertension, hypercholesterolemia, and hyperuricemia.

On oral examination, a well-defined, flat, rounded red area could be observed on the lingual dorsum; a mild coating of plaque could also be seen on the tongue (Panel A). A diagnosis of geographic tongue, also known as benign migratory glossitis, was made on the basis of the patient’s clinical history and the pathognomonic sign of the migrant red lingual patch.

Clinical pearls:-
- Geographic tongue, which affects approximately 2% of the general population, is a benign condition associated with local inflammation and the absence of differentiation of the filiform papillae.

- Patients with geographic tongue typically present with migrant oval red areas, surrounded by a well-defined white rim. In our patient, the white rim was more clearly visible at follow-up visits at 8 months (Panel B, arrow) and 20 months (Panel C, arrow).

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