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[Malignant nongranulomatous pulmonary hypertension in a patient addicted to parenteral drugs].

We report the first case in the Spanish literature of pulmonary hypertension (PHT) caused by vascular sclerosis in a parenteral drug abuser female. The clinical diagnosis of PHT was confirmed in the necropsy study, which ruled out granulomas and discovered only vascular sclerosis and hypertrophy as causative factors of the clinical picture. The different etiological and pathogenetical mechanisms reported in the literature as causing PHT in this type of patients are reviewed.