Evaluation of Different Diagnostic Therapeutic Strategies in Patients with Thyroid Pathology

Inclusion Criteria: * Age older than 18 years at the time of diagnosis; * Patients with thyroid pathology (hypothyroidism, hyperthyroidism/thyrotoxicosis, benign thyroid nodule, and thyroid carcinoma) in whom the diagnosis was made in our Center or another Center from 01/01/1995 until the approval of this study (retrospective phase) or from the time of approval of this study to the next 10 years (prospective phase); * Obtaining informed consent. Exclusion Criteria: * Follow up lasting less than 3 months; * Incomplete or missing clinical data that may affect the correct assessment of the patient.