La Nouvelle presse médicale
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Serum levels of angiotensin-converting enzyme (ACE) were measured in 111 healthy subjects and in 117 adult patients with mediastinal and pulmonary sarcoidosis. The patients were followed up for 3 years. Detailed clinical investigations and ACE level measurements were performed every three months. ⋯ Complete spontaneous or therapeutically induced remission were accompanied by a return of ACE to normal values, but this was not the case for incomplete remission. There was no correlation between ACE levels and the radiological stages of the disease. Measuring ACE levels in patients with sarcoidosis may therefore contribute to diagnosis and surveillance and help to distinguish between complete and incomplete remissions.