Vanderploeg D E
Cutis. 1977 Feb;19(2):205-7.
Dermatomyositis is a disease of unknown etiology characterized by muscle weakness and associated with a variety of cutaneous lesions. There appears to be an increased incidence of malignancy among patients with dermatomyositis. The association is estimated at about 20 percent.
皮肌炎是一种病因不明的疾病，其特征为肌肉无力，并伴有多种皮肤损害。皮肌炎患者发生恶性肿瘤的几率似乎有所增加。据估计，这种关联约为20%。
