November 22, 2018 | Presented to the emergency room with proximal myopathy, skin rashes, and dysphagia. He was admitted to the medical ward |
November 23, 2018 | Magnetic resonance imaging of the thighs, electromyography, pulse therapy of intravenous methylprednisolone at a dose of 1 g once daily for 3 days |
November 24, 2018 | Muscle biopsy |
November 26, 2018 | Oral prednisolone at a dose of 60 mg once daily |
November 27, 2018 | Discharge home |
December 9, 2018 | Oral azathioprine at a dose of 50 mg once daily |
December 15, 2018 | Free from symptoms with normalization of muscle enzyme levels |
December 21, 2018 | New skin lesions appeared; thus, azathioprine was discontinued. Oral prednisolone was titrated until 5 mg once daily, and skin biopsy was performed |
January 1, 2019 | Chemotherapy started (a total of 16 sessions) |
November 30, 2019 | There were no more skin lesions and no muscle weakness; thus, prednisolone was discontinued gradually |
August 30, 2020 | In the follow-up assessment at the rheumatology clinic, physical examination and blood test showed normal findings |