13 research outputs found
Comorbid conditions in lichen planopilaris: A retrospective data analysis of 334 patients.
BackgroundLichen planopilaris (LPP) is a rare, cicatricial, lymphocyte-mediated alopecia that is thought to have an autoimmune pathogenesis and possibly related to other autoimmune diseases. However, data are limited and studies that examine comorbid conditions are lacking.ObjectivesWe sought to determine the prevalence of systemic comorbid conditions, nutritional deficiencies, psychological problems, and skin cancers in patients with LPP.MethodsWe identified 334 patients with LPP who were seen in the Department of Dermatology at the Cleveland Clinic Foundation between 2000 and 2016. Patients with LPP were compared with 78 control patients with a diagnosis of seborrheic dermatitis.ResultsThere were more female patients with LPP compared with the controls (93.1% vs. 79.5%; p < .001) but the average age did not differ (54.77 ± 12.83 vs. 52.19 ± 15.37; p = .12). Conditions positively associated with LPP were Hashimoto's thyroiditis (6.3% vs. 0%; p = .023), hypothyroidism (24.3% vs. 12.8%; p = .028), and hirsutism (11.4% vs. 1.3%; p = .006). Negatively associated conditions were allergic rhinitis (15% vs. 24.4%; p = .046), diabetes mellitus type II (11.7% vs. 21.8%; p = .019), hyperlipidemia (38.6% vs. 52.6%; p = .024), vitamin D deficiency (50% vs. 65.4%; p = .014), depression (15.6% vs. 28.9%; p = .018), and sleep problems (7.5% vs. 29.5%; p < .001).ConclusionsOur study further emphasizes that dermatologists should screen patients with LPP for autoimmune disorders that are associated with LPP and complete a full metabolic workup to avoid missing other abnormalities. The importance of atopy, autoimmune disorders, endocrine disorders, nutritional deficiencies, psychological problems, and skin cancers in patients with scarring alopecia should be better understood
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Mohs surgery for the treatment of lentigo maligna and lentigo maligna melanoma - a systematic review.
BackgroundThe role of Mohs micrographic surgery (MMS) in the treatment of lentigo maligna (LM), and lentigo maligna melanoma (LMM) has been controversial. The use of frozen sections is commonly cited as a suboptimal way to distinguish atypical melanocytes, resulting in traditional wide-local excision techniques as the mainstay of therapy.ObjectiveTo compare the success of MMS as a treatment option for LM and LMM with that of traditional surgical and nonsurgical therapies by analyzing the published recurrence rates of these lesions after MMS procedures.Methods and materialsPubMed database was used to find relevant articles with search terms related to MMS, LM, and LMM.ResultsThe search strategy resulted in 27 articles that fulfilled the inclusion criteria. All studies considered; MMS provided a 1.35% recurrence rate with follow-up times ranging from 1 month to 5 years. Specifically, studies employing classical MMS and MMS with rush sections provided recurrence rates of 1.17% and 2.4%, respectively.ConclusionMMS is one of the most successful treatment options for LM and LMM, with published evidence of improved recurrence rates when compared to other forms of therapy. Additional clinical trials are needed to further delineate the role of MMS in the treatment algorithm for these conditions
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Feature characterization of scarring and non-scarring types of alopecia by multiphoton microscopy.
ObjectivesNon-invasive visualization of hair follicles is important for proper diagnosis and management of alopecia; however, histological assessment remains the gold standard. Laser imaging technologies have made possible noninvasive in vivo evaluation of skin and hair follicle. The aim of this study was to evaluate the ability of multiphoton microscopy (MPM) to non-invasively identify morphological features that can distinguish scarring from non-scarring alopecia.MethodsMPM images were obtained from areas on the scalp affected by alopecia. Investigators blinded to the diagnosis analyzed hair follicle and shaft sizes. Patients were recruited and imaged at the UC Irvine Health Medical Center and the University of California, Irvine Beckman Laser Institute. Patients with androgenetic alopecia (AGA) and alopecia areata (AA), and scarring alopecia, in particular frontal fibrosing alopecia (FFA) were recruited and imaged from July 2016 to July 2017.ResultsWe imaged 5 normal scalp subjects and 12 patients affected by non-scarring (7 subjects) and scarring (5 subjects) alopecia. In normal and non-scarring alopecia patients, MPM identified presence of sebaceous glands associated with hair follicles. MPM images of scarring alopecia were characterized by the presence of inflammatory cells surrounding hair follicles. Measurements of hair follicle diameter sizes were found to be significantly smaller in scarring alopecia patients compared to normal (P < 0.001) and compared to non-scarring alopecia patients (P = 0.046); non-scarring hair follicles were also significantly smaller than normal hair follicles (P = 0.043).ConclusionsThis study shows that MPM imaging can non-invasively identify morphological features that distinguish scarring from non-scarring alopecia. Further studies are needed to validate this technique and evaluate its potential to be used as an aid for guiding treatment. Lasers Surg. Med. 51:95-103, 2019. © 2018 Wiley Periodicals, Inc
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Feature characterization of scarring and non-scarring types of alopecia by multiphoton microscopy.
ObjectivesNon-invasive visualization of hair follicles is important for proper diagnosis and management of alopecia; however, histological assessment remains the gold standard. Laser imaging technologies have made possible noninvasive in vivo evaluation of skin and hair follicle. The aim of this study was to evaluate the ability of multiphoton microscopy (MPM) to non-invasively identify morphological features that can distinguish scarring from non-scarring alopecia.MethodsMPM images were obtained from areas on the scalp affected by alopecia. Investigators blinded to the diagnosis analyzed hair follicle and shaft sizes. Patients were recruited and imaged at the UC Irvine Health Medical Center and the University of California, Irvine Beckman Laser Institute. Patients with androgenetic alopecia (AGA) and alopecia areata (AA), and scarring alopecia, in particular frontal fibrosing alopecia (FFA) were recruited and imaged from July 2016 to July 2017.ResultsWe imaged 5 normal scalp subjects and 12 patients affected by non-scarring (7 subjects) and scarring (5 subjects) alopecia. In normal and non-scarring alopecia patients, MPM identified presence of sebaceous glands associated with hair follicles. MPM images of scarring alopecia were characterized by the presence of inflammatory cells surrounding hair follicles. Measurements of hair follicle diameter sizes were found to be significantly smaller in scarring alopecia patients compared to normal (P < 0.001) and compared to non-scarring alopecia patients (P = 0.046); non-scarring hair follicles were also significantly smaller than normal hair follicles (P = 0.043).ConclusionsThis study shows that MPM imaging can non-invasively identify morphological features that distinguish scarring from non-scarring alopecia. Further studies are needed to validate this technique and evaluate its potential to be used as an aid for guiding treatment. Lasers Surg. Med. 51:95-103, 2019. © 2018 Wiley Periodicals, Inc