[Antisynthetase syndrome. Three cases and a review of the literature].

Antisynthetase syndrome belongs to the idiopathic myositis group which includes pulmonary interstitial disease, arthritis, Raynaud's phenomenon, and mechanic's hands , associated with the anti-Jo1 antibody. We report three cases of antisynthetase syndrome, and review the clinical characteristics, and prognosis factors dominated by interstitial pneumonia.