Foetal teratoma of the neck.
D000293:Adolescent; D001466:Barium Sulfate; D001707:Biopsy, Needle; D005260:Female; D006258:Head and Neck Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology; D006801:Humans; D008223:Lymphoma / Q000175:diagnosis; D008614:Meperidine; D011859:Radiography; D013724:Teratoma / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology
D001466:Barium Sulfate; D008614:Meperidine