Gray-scale ultrasonography of the neck.
D001935:Branchioma / Q000175:diagnosis; D006258:Head and Neck Neoplasms / Q000175:diagnosis*; D006801:Humans; D009362:Neoplasm Metastasis; D010282:Parathyroid Neoplasms / Q000175:diagnosis; D013955:Thyroglossal Cyst / Q000175:diagnosis; D013964:Thyroid Neoplasms / Q000175:diagnosis; D014465:Ultrasonics / Q000295:instrumentation*; D014463:Ultrasonography