Objective: Unusual clinical course Background: Retinoid-induced myositis is a rare condition encountered in clinical practice. Its occurrence implies a diagnostic challenge due to the multiple causes associated with myopathic syndromes. The most common clinical presentation is generalized affection. Focal myositis is even less frequent and easily misdiagnosed as muscular disease of other etiology. Case Report: We describe a case of 45-year-old male with a history of nephrolithiasis and rosacea diagnosed by dermatology, who
