title: Sonographic diagnosis of cervical teratoma in utero.
mesh_terms: D000293:Adolescent; D003937:Diagnosis, Differential; D005260:Female; D006258:Head and Neck Neoplasms / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D011247:Pregnancy; D011263:Pregnancy Trimester, Third; D011296:Prenatal Diagnosis; D013724:Teratoma / Q000175:diagnosis* / Q000473:pathology; D014463:Ultrasonography