title: Pneumomediastinum. An unusual complication of needle biopsy of the lung.
abstract: Pneumomediastinum without pneumothorax is an unusual and apparently benign complication of needle biopsy of the lung.
mesh_terms: D001707:Biopsy, Needle / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008168:Lung / Q000473:pathology*; D008478:Mediastinal Emphysema / Q000000981:diagnostic imaging / Q000209:etiology*; D008875:Middle Aged; D011859:Radiography