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. 2021 Jul 27;14:11795476211036322. doi: 10.1177/11795476211036322

Figure 4.

Figure 4.

Clinical course of the patient with anti-MDA5 antibody-positive DM-associated RP-ILD (Case 2). The titer of anti-MDA5 antibody (black circle), serum ferritin level (white circle), and serum KL-6 level (black triangle) are shown. The patient was treated with methylprednisolone pulse therapy (mPSL), prednisolone (PSL), tacrolimus (TAC), intravenous administration of cyclophosphamide (IVCY), and rituximab (RTX). Plasma exchange (PE) 3 times a week was initiated in early February, and a total of 31 PE sessions were performed.