纵行黑甲 (longitudinal melanonychia, LM) 是临床常见的甲病, 是指 (趾) 甲上出现黑色、褐色、棕色或者灰色的纵行线状、条状、斑块状色素斑。在病理上LM可分为良性的色素痣、雀斑样痣、黑色素沉积以及恶性的黑色素瘤, 良性的色素痣可恶变为恶性的黑色素瘤。良性和恶性纵行黑甲之间不易区分, 且易与其他原因导...
纵行黑甲(Longitudinal Melanonychia) 病因 甲根部的黑素细胞因各种因素引起 1.甲根部因做美甲、外伤、啃指甲或抠、摩擦,例如穿鞋头狭窄的鞋。 药物,如化疗药、某种HIV抗病毒药物。 辐射。 妊娠。 某些遗传疾病。 阿狄森氏病(Addison’s disease)。 HIV病毒感染。 银屑病指甲,指甲真菌感染。 2. 甲周皮肤 3. ...
Melanonychia striata longitudinalis is a pigmented (dark browntanblack) band running in the long axis of the nail. This abnormal color of the nail plate is caused by a focal increase of melanin because of increased number and/or function of normal or abnormal melanocytes in the nail matrix....
RK Scher,DN Silvers - 《Journal of the American Academy of Dermatology》 被引量: 9发表: 1991年 Melanonychia Striata Longitudinalis Melanonychia striata longitudinalis is a pigmented (dark browntanblack) band running in the long axis of the nail. This abnormal color of the nail plate is.....
纵向黑色素(Longitudinal Melanonychia)最常见的原因是这些黑素细胞的活化。 它也可以由雀斑,痣或黑色素瘤中的黑素细胞增生引起。 临床上,黑色素呈现为从近端指甲褶皱延伸到远端边缘的一个或多个纵向色素带。 黑色素的颜色可以从浅棕色到黑色变化,并且色素沉着可以是均匀的或可变的。 宽度范围从几毫米到整个指甲宽...
Longitudinal melanonychia is a longitudinal pigmented band of the nail or nail bed, and in Japan it is important to distinguish it from subungual melanoma. Most of these lesions have cosmetic problems, because patients sometimes are anxious about the excisional biopsy due to risks of deformity of...
网络纵向黑甲症 网络释义 1. 纵向黑甲症 那就符合所谓"纵向黑甲症"(Longitudinal Melanonychia)的定义了但是重要的造成的原因大部分而言,它是由於指甲基质的地方有 … tw.knowledge.yahoo.com|基于6个网页
Melanonychia is a condition in which an individual's nail/nails are affected by brown or black pigmentation.
Longitudinal melanonychia in childhood.doi:10.26326/2281-9649.27.4.1488E. Bonifazi
The authors report a 79 year-old-woman with essential thrombocytosis treated with hydroxyurea (1.000-1.500 mg/day) since 3 years, who developed after 2 years multiple painful ulcers on both lower legs. In addition nail, and toenail melanonychia striata was noted. The ulcers were located on t...