An unusual tumour mistaken as a lingual thyroid (a case report)

A rare case of benign mass with hypertrophic sero-mucinous gland presenting as a tumour at the junction of the anterior two-thirds and the posterior third of the middle of the tongue is reported, which is found to be of great academic interest because of its unique situation of that of a lingual thyroid and its characteristic histological picture. The salient features of the lesion are discussed.