Scarring alopecia

瘢痕性脱发
  • 文章类型: Journal Article
    由于不可逆的毛囊损伤,瘢痕性脱发(CA)对皮肤科医生构成了挑战。虽然药物治疗提供有限的疗效,手术干预旨在改善美学效果。本文探讨了连续切除技术(SET)作为稳定的炎症性CA病例的可行选择。
    三名患有不同形式CA的成年女性接受了分阶段手术以纠正CA斑块。手术包括根据年龄等个人特征采用不同的切口和闭合方法,脱发的类型和程度,location,疤痕区域的组织活动性。
    CA显著影响患者的生活质量,需要综合治疗方法。SET成为稳定病例的令人鼓舞的可能性,提供显著的美容改善和提高患者的健康。这种技术具有潜在的独立疗效或与毛发移植相结合的成本效益。为CA患者提供有希望的结果。
    UNASSIGNED: Cicatricial alopecia (CA) poses a challenge for dermatologists due to irreversible hair follicle damage. While pharmacological treatments offer limited efficacy, surgical interventions aim to improve aesthetic outcomes. This article explores the serial excision technique (SET) as a viable option for stable cases of inflammatory CA.
    UNASSIGNED: Three adult females with different forms of CA underwent staged surgeries to correct CA patches. Procedures included different incision and closure methods based on individual characteristics such as age, type and extent of alopecia, location, and tissue mobility in the scarred area.
    UNASSIGNED: CA significantly impacts patients\' quality of life, demanding comprehensive treatment approaches. SET emerges as an encouraging possibility for stable cases, providing notable cosmetic improvements and enhancing patients\' well-being. This technique offers cost-effective benefits with potential standalone efficacy or in combination with hair transplantation, providing promising outcomes for individuals with CA.
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  • 文章类型: Letter
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  • 文章类型: Journal Article
    背景:有限的流行病学数据表明,头发色素,种族,斑秃(AA)的发病率。这里,我们研究自然发色之间的关系,种族,和终生脱发的风险。
    方法:在本病例对照研究中,我们包括所有种族的UKBiobank患者和自我报告的头发颜色,诊断为AA,雄激素性脱发(AGA),或瘢痕性脱发(SA)。多变量逻辑回归用于检测终生风险的差异。
    结果:研究结果表明,与深棕色头发相比,黑头发的个体患AA的风险显着增加(OR1.71[95%CI1.22-2.38],p<0.001)。红发或金发者患AA的风险降低(0.74[0.56-0.97];0.62[0.41-0.95],p<0.05)。在黑发个体中没有观察到AA患病率的种族差异。
    结论:较深的头发颜色可能与较高的AA风险有关,头发颜色较浅,风险较低,头发颜色的差异可能导致先前注意到的AA发病率的种族差异,潜在影响皮肤科医生对疾病流行病学的看法。
    BACKGROUND: Limited epidemiologic data has suggested direct associations between hair pigment, race, and incidence of alopecia areata (AA). Here, we examine the relationship between natural hair color, race, and the lifetime risk alopecia.
    METHODS: In this case-control study, we included UK Biobank patients of all races and self-reported hair color with diagnoses of AA, androgenetic alopecia (AGA), or scarring alopecia (SA). Multivariable logistic regression was used to detect differences in lifetime risk.
    RESULTS: Findings reveal a significantly increased risk of AA among individuals with black hair compared to dark brown hair (OR 1.71 [95% CI 1.22-2.38], p < 0.001). Those with red or blonde hair showed a decreased risk of AA (0.74 [0.56-0.97]; 0.62 [0.41-0.95], p < 0.05). No racial differences in AA prevalence were observed among individuals with black hair.
    CONCLUSIONS: Darker hair colors may be associated with a higher risk of AA, lighter hair colors with a lower risk, and differences in hair color could contribute to previously noted racial variations in AA incidence, potentially influencing dermatologists\' perspectives on the disease\'s epidemiology.
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  • 文章类型: Case Reports
    局限于面部的扁平苔藓(LPP)极为罕见。此病例系列包括五个独特的LPP病例,这些病例表现出不同程度的色素沉着和疤痕性脱发,仅限于面部。我们在此描述临床特征,皮肤镜,并对这些经组织病理学证实的面部LPP病例进行治疗。他们身上没有其他地方有病变。
    Lichen planopilaris (LPP) restricted to the face is extremely rare. This case series includes five unique LPP cases that presented with a varied degree of pigmentation and scarring alopecia restricted to the face. We herein describe the clinical characteristics, dermoscopy, and treatment of these histopathologically confirmed facial LPP cases. None of them had lesions anywhere else on the body.
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  • 文章类型: Journal Article
    其他原发性瘢痕性脱发的蛋白质组学分析,如额叶纤维化脱发和扁平苔藓,已经提出了T辅助1介导的炎症途径,但在中央离心瘢痕性脱发(CCCA),蛋白质表达模式未知。在这项研究中,我们试图表征CCCA中的蛋白质表达模式,以鉴定疾病活动的生物标志物,从而确定潜在的治疗途径.进行头皮蛋白定量以了解CCCA中受影响的头皮与未受影响的头皮中的蛋白表达模式。总共鉴定了5444种蛋白质,其中148种蛋白质在受CCCA影响的头皮中差异表达,随着适应性免疫途径的上调(IGHG3,P=.034;IGHG4,P=.01;IGG1,P=.026)和纤维化标志物(ITGA1,P=.016;SFRP2,P=.045;TPM2,P=.029;SLMAP,P=.016)和代谢蛋白的下调(ALOX15B,P=.003;FADS2,P=.006;ELOVL5,P=.007;FA2H,P=.017;FAR2,P=.011;SC5D,P<.001)。我们的分析显示,根据我们的知识,以前未知的体液免疫规范途径,特别是IgG,与CCCA有关,并进一步证实了与糖尿病有关的异常脂质代谢途径,提示CCCA患者独特的疾病机制。
    Proteomic profiling on other primary cicatricial alopecias, such as frontal fibrosing alopecia and lichen planopilaris, have suggested a T helper 1-mediated inflammatory pathway, but in central centrifugal cicatricial alopecia (CCCA), the protein expression patterns are unknown. In this study, we sought to characterize protein expression patterns in CCCA to identify biomarkers of disease activity that will identify potential therapeutic avenues for treatment. Scalp protein quantification was performed to understand protein expression patterns in affected versus unaffected scalps in CCCA. A total of 5444 proteins were identified, of which 148 proteins were found to be differentially expressed in CCCA-affected scalp, with upregulation of adaptive immune pathways (IGHG3, P = .034; IGHG4, P = .01; IGG1, P = .026) and markers of fibrosis (ITGA1, P = .016; SFRP2, P = .045; TPM2, P = .029; SLMAP, P = .016) and downregulation of metabolic proteins (ALOX15B, P = .003; FADS2, P = .006; ELOVL5, P = .007; FA2H, P = .017; FAR2, P = .011; SC5D, P < .001). Our analysis revealed, to our knowledge, previously unknown humoral immune canonical pathways, notably IgG, implicated in CCCA and additionally confirmed aberrant lipid metabolism pathways implicated in diabetes mellitus, suggesting unique mechanisms of disease in patients with CCCA.
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  • 文章类型: Review
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  • 文章类型: Journal Article
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  • 文章类型: Journal Article
    背景:中央离心瘢痕性脱发(CCCA)命名法描述了瘢痕性脱发的典型临床表现,始于顶点头皮,对称,和离心演化。然而,作者在临床上注意到了非典型表现,并在文献中进行了报道.
    目的:我们试图描述已发表的CCCA成年患者脱发的分布特征。
    方法:使用三步搜索过程来评估CINAHL中的研究文章,EMBASE,谷歌学者,MEDLINE,Scopus,和WebofScience数据库。包括头皮摄影或脱发分布描述的研究。三名研究人员评估了符合条件的临床亚型研究。PRISMA扩展范围审查(PRISMA-ScR)用于报告结果。
    结果:纳入了由281例CCCA组成的99项研究。脱发分布包括经典演示文稿的变体以及不同的亚型,如斑驳,枕骨,顶叶,额叶,temporal,和trichorrhexis。
    结论:研究具有显著的同质性,正如CCCA的经典分布被普遍报道。此外,临床诊断病例可能有并发诊断,和许多研究没有报告的结果。
    结论:CCCA术语可能并不总是反映临床表现。了解非典型表现对于告知适当和有针对性的治疗至关重要。
    BACKGROUND: Central centrifugal cicatricial alopecia (CCCA) nomenclature describes a typical clinical presentation of cicatricial hair loss that begins on the vertex scalp with progressive, symmetric, and centrifugal evolution. However, atypical presentations have been noted clinically by the authors and reported in the literature.
    OBJECTIVE: We sought to characterize the distribution of hair loss in published cases of adult patients with CCCA.
    METHODS: A 3-step search process was used to evaluate research articles in Cumulative Index to Nursing & Allied Health, EMBASE, Google Scholar, MEDLINE, Scopus, and Web of Science databases. Studies with scalp photography or description of hair loss distribution were included. Three researchers evaluated eligible studies for clinical subtypes. Preferred Reporting Items for Systematic Reviews and Meta-Analyses Extension for Scoping Review was used to report results.
    RESULTS: Ninety-nine studies consisting of 281 cases of CCCA were included. Hair loss distributions included variants of the classic presentation along with distinct subtypes such as patchy, occipital, parietal, frontal, temporal, and trichorrhexis.
    CONCLUSIONS: Studies had significant homogeneity, as the classic distribution of CCCA was commonly reported. Additionally, clinically diagnosed cases may have concurrent diagnoses, and numerous studies did not report trichoscopy findings.
    CONCLUSIONS: CCCA terminology may not always be reflective of clinical presentation. Understanding atypical presentations is essential to inform appropriate and targeted treatment.
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