Histology of lesional skin biopsy. (A) Normal epidermis with a proliferation of fibroblasts (magnification, × 10). (B) Increased mucin deposition in the dermis (magnification, × 40). Images were obtained using an Olympus BX-40 microscope (Olympus, Melville, NY) and 10×/0.25 numeric aperture (NA) and 40×/0.65 NA objectives. Images were acquired using an Olympus DP10 camera and were processed using Adobe Photoshop 8.0 (Adobe Systems, San Jose, CA).