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a 19 years-old male presenting with an ulcerated plaque with hyperkeratotic bottom and raised borders of his left arm. b) Well circumscribed hypoechoic dermo-hypodermal band-like structure (between markers), devoid of internal vascularity. No reactive soft-tissue changes could be observed either on PDUS or B-mode greyscale scans. Abbreviations: e = epidermis; d = dermis; h = hypodermis; f = superficial fascia; b = bone; m = muscle
