色素沉着

Conclusion Melanosis coli is inflammation,benign,reversibility chromatosis as characteristic,the disease is related to taking anthracene for long time constipation.

结论结肠黑变是结肠一种非炎症性、良性、可逆性以色素沉着为特变,该发生与长期便秘服用蒽琨类泻剂有关。

Oculocutaneous albinism(OCA) is a group of autosomal recessive disorders of melanin synthesis,which is characterized by congenital hypopigmentation of skin,hair and eyes.

眼皮肤白化是于黑色素合成相关基因突变导致眼、皮肤、毛发黑色素沉着减少或起一类常染色体隐形遗传疾总称。

Histopathology showed moderate hyperkeratosis and rete ridge elongation with the epidermal thinning above the papillar layer and a few melanophages in the dermis.

腋下、腹股沟、乳房下色素沉着15年,无明显自觉症状。