title: Persistent cervical parathyroid-thymus complex causing recurrent respiratory obstruction and mediastinal emphysema.
mesh_terms: D000402:Airway Obstruction / Q000209:etiology*; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008478:Mediastinal Emphysema / Q000209:etiology*; D009333:Neck / Q000002:abnormalities; D010280:Parathyroid Glands / Q000002:abnormalities*; D012131:Respiratory Insufficiency / Q000209:etiology; D013934:Thymectomy; D013950:Thymus Gland / Q000002:abnormalities*; D014140:Tracheotomy