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Large lung bullae in marijuana smokers
  1. Martin K Johnsona,
  2. Robin P Smithb,
  3. Douglas Morrisona,
  4. Gabriel Laszlob,
  5. Roger J Whitea
  1. aDepartment of Medicine, Frenchay Hospital, Bristol BS16 1LE, UK, bDepartment of Respiratory Medicine, Bristol Royal Infirmary, Bristol BS2 8HW, UK
  1. Dr M K Johnson, Department of Respiratory Medicine, Glasgow Royal Infirmary, Glasgow G31 2ER, UK


The case histories are presented of four men with multiple large upper zone lung bullae but otherwise relatively preserved lung parenchyma. Each had a history of significant exposure to marijuana. In three of the four cases the tobacco smoking load had been relatively small, suggesting a possible causal role for marijuana in the pathogenesis of this unusual pattern of bullous emphysema.

  • lung bullae
  • marijuana
  • smoking
  • emphysema
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