title: Sonography of mediastinal masses in infants and children.
mesh_terms: D002648:Child; D002675:Child, Preschool; D004947:Esophagus / Q000002:abnormalities; D006801:Humans; D007223:Infant; D008202:Lymphangioma / Q000175:diagnosis; D008476:Mediastinal Cyst / Q000175:diagnosis*; D008479:Mediastinal Neoplasms / Q000175:diagnosis*; D013724:Teratoma / Q000175:diagnosis; D013950:Thymus Gland / Q000002:abnormalities; D014463:Ultrasonography