“…The recent literature shows that an initial insult to the pulmonary vasculature is required for exposure of the alveolar capillaries to the anti-GBM antibodies, and predisposing factors for such exposure include the following: association with HLA-DR15, exposure to organic solvents or hydrocarbons, smoking, infection, cocaine inhalation, exposure to metal dusts and lymphocyte-depletion therapy [6,[8][9][10]. Our patient was a young 21-year-old woman with no medical history.…”