Looking Beyond the Hutchinson Sign: A Retrospective Study of Clinical Factors Indicating the Presence and Invasiveness of Nail Unit Melanoma in Patients With Longitudinal MelanonychiaThe data underlying this article are available in the article.Longitudinal melanonychia (LM) presents a challenge because ...
Hutchinson's sign, periungual extension of brown-black pigmentation from longitudinal melanonychia onto the proximal and lateral nailfolds, is an important indicator of subungual melanoma. However, experience has demonstrated that Hutchinson's sign, although valuable, is not an infallible predictor of ...
(1) 甲母质黑素瘤:70%首发症状为甲板纵行黑色条带,宽度不一,甲板可呈现条状裂隙或裂开,可能与黑色素瘤破坏甲板、挤压甲母质有关; (2) 甲下黑素瘤(Subungual melanoma,SUM)是黑素瘤中少见亚型,约占所有黑素瘤的0.7-3.5%,表现为有色素或无色素的甲下结节,...
We examined 6 subungual melanomas in situ and 18 melanocytic nevi and compared pigmentation of the nail plates and hyponychium with the use of a dermatoscope. Hutchinson's sign on the hyponychium was not always evidence of subungual melanoma because it can be seen in both diseases. ...
Hutchinson's sign. 来自 Semantic Scholar 喜欢 0 阅读量: 96 作者: GR Mikhail 摘要: Hutchinson's sign--pigmentation of the periungual tissues--is a valuable clue to the diagnosis of subungual melanoma. When present, this sign indicates malignant melanoma, however minimal the pigmentation or ...
but serious form of cancer in the nail. Such dark lines should be checked out by a doctor to eliminate the possibility this condition. If the melanoma is suspected, the doctor may perform a biopsy. Most subungual melanoma must be surgically removed and, if necessary, the fingertip or toe ma...
Hutchinson's nail signmelanomanodularsubungualAn early and accurate diagnosis is critical for the optimal management of subungual melanoma; the absence of Hutchinson's nail sign makes an accurate diagnosis extremely difficult. Previous publications show that most subungual melanomas have Hutchinson's nail...
An early and accurate diagnosis is critical for the optimal management of subungual melanoma; the absence of Hutchinson's nail sign makes an accurate diagnosis extremely difficult. Previous publications show that most subungual melanomas have Hutchinson's nail sign. In this report, we present a ...
Hutchinson's detailed description of the melanotic whitlow has contributed significantly to our assessment of nail pigmentation and melanoma. From his first description of the 'narrow band of black' to Hutchinson sign, we now have three variations of this eponymous term, used widely by modern-day...