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  • Title: [anorexia nervosa; an association with certain types of soft tissue emphysema].
    Author: Satoh K, Kawase Y, Kobayashi T, Mitani M, Tanabe M, Tsuuchi Y, Seo H.
    Journal: Nihon Kyobu Shikkan Gakkai Zasshi; 1994 Jul; 32(7):685-8. PubMed ID: 7967245.
    Abstract:
    A 17-year-old female with anorexia nervosa developed pneumomediastinum, subcutaneous emphysema, retroperitoneal emphysema, interstitial pulmonary emphysema and epidural emphysema (epidural emphysema; air between the dura mater and the vertebral arch). She had no history of bronchial asthma. The mechanism was presumed to be weakness of the alveolar wall due to malnutrition, leading to rupture of alveoli, followed by air entering the interstitium and dissecting along perivascular sheaths (interstitial pulmonary emphysema) into the mediastinum. A further increase in mediastinal pressure may bring about opening of the fascial planes along great vessels and allow air to penetrate into subcutaneous tissues and the spinal canal. These types of emphysema have been reported in bronchial asthma cases and in those on positive pressure breathing. To our knowledge, there are no previous reports of anorexia nervosa associated with these phenomena.
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