Melanoma Res 2018
This article describes two cases of myositis associated with immune checkpoint inhibitor therapy for melanoma, in which both diagnoses were delayed and initially misdiagnosed as immune-related hepatitis.

Roberts JH, Smylie M, Oswald A, Cusnir I, Ye C. Hepatitis is the new myositis: immune checkpoint inhibitor-induced myositis. Melanoma Res. 2018 Oct;28(5):484-485.