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Figure 1. Panel A shows a leukemic infiltrate in the skin of a 62-year-old patient with acute myelogenous leukemia (subtype M2 according to the FrenchAmericanBritish system of classification). Chloromas usually present as reddish-blue, not green, thickenings in the skin, but pressing the blood out of the nodule (Panel B) unmasks a green color for a few seconds (Panel C). The green color is attributed to the presence of myeloperoxidase. This color is rarely seen because the green pigment fades readily on exposure to the air and the red color of the blood masks the green pigment. Chloros is an . . . [Full Text of this Article] |