Ectopic geographic tongue--a case report
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Updated: Jul 15, 2026

Objectification of Tongue Diagnosis in Traditional Medicine, Data Analysis, and Study Application
Published on: April 14, 2023
Felicity Borrie1, Rajitha Musthyala, David Macintyre
1Dundee Dental Hospital, Dundee, Scotland.
Unlabelled:
This report describes a case of 'ectopic' geographic tongue where lesions, clinically and histologically similar to those normally confined to the tongue, presented on the floor of the mouth and cheek mucosa. The patient, a type II diabetic, had a history of thrombocytopaenia and, more recently, autoimmune haemolytic anaemia.
Clinical Relevance:
Geographic tongue is a common oral medicine condition and the purpose of this paper is to highlight the fact that it can present ectopically on the oral mucosa.
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