Diagnostic ultrasound in otolaryngology.
D006258:Head and Neck Neoplasms / Q000175:diagnosis; D006801:Humans; D009918:Orbital Neoplasms / Q000175:diagnosis; D010038:Otorhinolaryngologic Diseases / Q000175:diagnosis*; D013959:Thyroid Diseases / Q000175:diagnosis; D014463:Ultrasonography