皮肌炎的皮膚表現通常包括Gottron氏丘疹,眼週圍的heliotrope紅疹,指甲週圍紅斑或血管擴張,以及多形皮膚萎縮。水泡的產生較少被報告過。我們報告一例以水泡表現的皮肌炎患者,她後來被診斷出有胃癌。早期辨認出這種以水泡表現的皮肌炎能避免延誤診斷。水泡型的皮肌炎可能有比典型皮肌炎更高的合併癌症比例和較不好的預後。
Cutaneous manifestations of dermatomyositis commonly include Gottron's papules, periorbital heliotrope rash, periungual erythema or telangiectasia, and poikiloderma. Vesicles or bullae have rarely been reported. We describe a patient with dermatomyositis who presented with vesicles and was subsequently diagnosed as having gastric carcinoma. It is important to recognize this vesiculo-bullous variant in order to avoid a delay in diagnosis. Vesiculo-bullous dermatonlyositis may be associated with a higher incidence of internal malignancy than typical dermatomyositis and portend a poorer prognosis.