Perusal of records concerning 14 patients diagnosed and operated for Cysts of the thyrolingual duct, in the last 5 years (1984-1989). In this term the AA. have had at their disposal the newly diagnostic methods introduced at their Hospital. Among the clinic features considered in the paper, for instance, the age, they point out the differences verified between the own series and that of other authors. In the first decade only 28.57%; 35.71% in the second decade; and beyond 30 years again 35.71% of cases. Sixty-seven was de elder one. As well is emphasized the sexes distribution: 72% account for men and 28% for women, in the AA's statistics. None of the operated showed malignancies and postoperative recurrences were null.