FIGURE 2.

Skin biopsy showing characteristic square shape, abnormal, swollen dermal collagen bundles and a perivascular infiltrate of plasma cells, lymphocytes and histiocytes. The process extends into the subcutaneous fat.

Skin biopsy showing characteristic square shape, abnormal, swollen dermal collagen bundles and a perivascular infiltrate of plasma cells, lymphocytes and histiocytes. The process extends into the subcutaneous fat.