Chacinero's lung - hypersensitivity pneumonitis due to dry sausage dust.

Objective: Hypersensitivity pneumonitis (HP) comprises a large group of diseases that occur secondary to inhalation of a variety of antigens. This report describes a little-known cause of HP, previously unreported in the English literature.

Methods: Five patients (three women) with a mean age of 41 years who fulfilled the criteria for HP due to exposure to dry sausage dust were studied.