MORC3 and dermatomyositis: Painful ulcerations developed in a 33-year-old woman with anti-NXP-2-positive dermatomyositis in the facial and trunk areas and a 67-year-old woman with TIF1-gamma-positive dermatomyositis on the hands, while undergoing systemic therapy with azathioprine or low-dose methylprednisolone and cyclic administration of intravenous immunoglobulins (IVIG), respectively.