What is melasma and what are the three main patterns of facial involvement?

Dec 15, 2017 ... ... makes them prime targets for predators ... These unique creatures have partial or complete loss of pigmentation, hence their pale skin tone ... If your body makes too little melanin, your skin gets lighter. Vitiligo is a condition that causes patches of light skin. Albinism is a genetic condition ... Lack of skin pigmentation makes for more susceptibility to sunburn and skin cancers. In rare cases such as Chédiak–Higashi syndrome, albinism may be ... The three major features of Alkaptonuria are the presence of dark urine, ochronosis, a buildup of dark pigment in connective tissues such as cartilage and skin, ... your nose can become irritated causing a blocked or runny nose; episodes of feeling warm and reddening of the skin (flushing); a risk of falling. Rare side ... Jun 18, 2024 ... Areas of the skin that are lighter in color and flat to the touch are typical. Pityriasis alba can cause light patches of skin, typically ... ... pigmentation, complexion, or skin shade or tone. Thus, color discrimination ... information about an applicant's race separate from the application. In ... Jul 6, 2023 ... ... causes formation of a color may be a color additive. For example ... skin, reacts with the protein of the skin to impart color. Even ... Oct 12, 2017 ... ... informative for mapping genetic variants associated with skin pigmentation. ... causes the high pigment-1 mutant phenotype. Theor. Appl ... The subtype of basal cell carcinoma is identified by skin biopsy and examination under a microscope. What causes basal cell carcinoma? The most common cause of ...