“…Previous reports suggest that immunosuppressants, such as corticosteroids, cyclophosphamide, and azathioprine, are related to the occurrence of MEDFs. 1,2,[4][5][6][7][8][9][10][11]13,14,26,32 Our patient had received methotrexate and corticosteroid treatment for 3 months and 2 months, respectively, before developing MEDFs. The patient had received systemic corticosteroids intermittently during the last 10 years, during which no MEDFs occurred.…”