title: [A thyroid nodule presenting diagnostic difficulty].
mesh_terms: D000310:Adrenal Gland Neoplasms / Q000175:diagnosis; D002277:Carcinoma / Q000175:diagnosis* / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D006961:Hyperparathyroidism / Q000209:etiology; D008875:Middle Aged; D009377:Multiple Endocrine Neoplasia / Q000175:diagnosis*; D010673:Pheochromocytoma / Q000175:diagnosis; D011877:Radionuclide Imaging; D013964:Thyroid Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging; D014463:Ultrasonography
vernacular_title: Nódulo tiroideo de difícil diagnóstico.