[The analysis of diagnostic errors by pathological conditions of the tongue].

To study the quality of medical diagnostics by pathological conditions of the tongue the retrospective analysis of 555 medical records of patients with various pathology of the tongue hospitalized in maxillofacial hospitals of Kazan was carried out. The analysis has shown that at a pre-hospital examination the wrong diagnosis was observed in approximately one third of cases. In the vast majority of cases the errors arose by tongue neoplasias.