Fig. 1From: Disease stabilization with pembrolizumab for metastatic acral melanoma in the setting of autoimmune bullous pemphigoidBiopsy of the patient’s skin lesions. Haematoxylin and eosin stain reveals subepidermal bulla as well as fibrin net, numerous eosinophils, perivascular mixed infiltrate, and well-preserved dermal papillae within the bulla cavityBack to article page