Figure 2
Keywords: Histopathology-image
Metastatic Crohn disease is characterised by a dermal granulomatous infiltrate composed of epithelioid histiocytes (figures 1-5). There is an associated infiltrate which is mainly lymphocytic but may be rich in eosinophils. The granulomas may encroach on the epidermis (figure 1). Massive oedema may be seen (figure 2). Ulceration of the overlying epidermis is a common feature (figure 4).
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