Idiopathic Inflammatory Myopathies (IIMs)

Diagnosis of inflammatory myopathy are usually based on clinical examination and histopathology of the muscles and muscle biopsy, usually guided by PET-CT. This is not uncommonly presented by extramacular signs like interstitial lung disease, dysphagia, few skin signs, loss of weight, arteritis, cardiomyopathy, Pulmonary hypertension, respiratory failure, and cancer.