甲部颜色异常。
Nail dyschromias.
机构信息
Department of Dermatology, Venereology and Leprosy, Lady Hardinge Medical College, New Delhi, India.
出版信息
Indian J Dermatol Venereol Leprol. 2011 Nov-Dec;77(6):652-8. doi: 10.4103/0378-6323.86473.
Nail dyschromias have a wide variety of presentation. There are numerous causes of discoloration of the nail affecting the nail plate, nail attachments, or the substance of the nail. The chromonychia may also be caused due to the exogenous deposition of pigments over the nail plate. Careful examination of the nail and few bed side tests may help in identifying the root cause of the nail dyschromia and many a times unravels some underlying systemic disorder too.
甲变色具有广泛的表现形式。有许多原因会导致指甲变色，影响指甲板、甲床或指甲物质。甲色素沉着也可能是由于指甲板上的外源性色素沉积引起的。仔细检查指甲并进行一些床边检查有助于确定甲变色的根本原因，很多时候还可以揭示一些潜在的系统性疾病。
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