Severe pulmonary arterial hypertension due to toxic oil syndrome: a new cause of plexogenic arteriopathy.


Ten patients with severe pulmonary hypertension due to Toxic Oil Syndrome (TOS) (3 men, 7 women; mean age 27.9 +/- 11.23 yrs.) are presented. The pulmonary vessels were examined with a micromorphometric technique. All patients had intimal fibrosis of the arteries and veins. Seven also had a thrombus in different stages. All arteries were shown to have… (More)


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