title: Fetal neck hemangioendothelioma with secondary hydrops fetalis: sonographic diagnosis.
mesh_terms: D000293:Adolescent; D004487:Edema / Q000175:diagnosis* / Q000209:etiology; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis*; D006258:Head and Neck Neoplasms / Q000150:complications / Q000175:diagnosis*; D006390:Hemangioendothelioma / Q000150:complications / Q000175:diagnosis*; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D011247:Pregnancy; D011296:Prenatal Diagnosis; D014463:Ultrasonography