Reflected light microscopy, milky glassy bluish opaque areas with comedo-like keratin droplets. reflected light microscopy (5.5 mm large, verrucous melanoma in situ in the lumbar region of a 50-year-old man): Greyish bluish opaque zones with papillomatous aspect, blackish brown comedone-like horn droplets, irregular vascular ectasia, perivascular melanophages.
Reflected light microscopy, milky glassy bluish opaque areas with comedo-like keratin plugs. Detail magnification of a reflected light microscopy (5.5 mm large, verrucous melanoma in situ in the lumbar region of a 50-year-old man): Irregular black-brown pigmented comedone-like keratin plug.
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