Low prevalence of malignancy in patients with idiopathic inflammatory myopathies in Jordan.

Objectives: To estimate the frequency of malignancy among patients with idiopathic inflammatory myopathies (IIM) in Jordan.

Methods: This was a retrospective review of case records of patients with IIM in Jordan.

Results: We identified 94 cases of IIM, (47 polymyositis (PM) and 47 dermatomyositis (DM)).