A 31-year-old man presented with an erythematous tumor within a giant pigmentation on the left arm, which was partially covered with hairs and had a few subcutaneous nodules within it. Also he had a bluish tumor on the left palm, multiple tumors and cafe au lait spots on the upper trunk. Histologic examination from the tumor, pigmentation and subcutaneous nodules on the left arm, and the tumors on the upper trunk and left palm all revealed neurofibromas. Interestingly, the rare types of the neurofibromas, diffuse and pigmented neurofibroma were included in these.
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