Background: Various cutaneous manifestations have been observed in patients with COVID-19 infection. However, overall similarities in the clinical presentation of these dermatological manifestations have not yet been summarized. Objective: This review aims to provide an overview of various cutaneous manifestations in patients with COVID-19 through three case reports and a literature review. Methods: A literature search was conducted using PubMed, OVID, and Google search engines for original and review articles. Studies written in the English language that mentioned cutaneous symptoms and COVID-19 were included. Results: Eighteen articles and three additional cases reported in this paper were included in this review. Of these studies, 6 are case series and 12 are case report studies. The most common cutaneous manifestation of COVID-19 was found to be maculopapular exanthem (morbilliform), presenting in 36.1% (26/72) patients. The other cutaneous manifestations included: a papulovesicular rash (34.7%, 25/72), urticaria (9.7%, 7/72), painful acral red purple papules (15.3%, 11/72) of patients, livedo reticularis lesions (2.8%, 2/72) and petechiae (1.4%, 1/72). Majority of lesions were localized on the trunk (66.7%, 50/72), however, 19.4% (14/72) of patients experienced cutaneous manifestations in the hands and feet. Skin lesion development occurred before the onset of respiratory symptoms or COVID-19 diagnosis in 12.5% (9/72) of the patients, and lesions spontaneously healed in all patients within 10 days. Majority of the studies reported no correlation between COVID-19 severity and skin lesions. Conclusion: Infection with COVID-19 may result in dermatological manifestations with various clinical presentations, which may aid in the timely diagnosis of this infection.
patients in the United States, stated, ''Many of these jobs also do not provide healthcare coverage, so we are underinsured or uninsured during a health crisis. When adding the underlying health risk factors of heart disease, diabetes, and asthma, the African American population is at the epicenter of this current health crisis. '' 4 To gain a thorough understanding of the epidemiology of COVID-19 and to ensure targeted health education and equitable allocation of health care system resources for more vulnerable populations, studies on the race-specific prevalence of COVID-19 and outcomes are crucial. We call for higher-priority assessment of racial and ethnic disparities in COVID-19, which may reduce morbidity and mortality among African Americans. As Brooks stated, ''There is still time, but time is running out. '' 4
Background: Prurigo pigmentosa (PP) is a rare inflammatory dermatosis characterized by pruritic erythematous papules that coalesce to form a reticulate pattern. PP is often misdiagnosed, and patients are treated with ineffective therapies. Although the majority of reports about PP are from East Asia, patients of all backgrounds can be affected.Objectives: To perform a systematic review of reported PP cases with the purpose of summarizing the clinical presentation and treatment of PP.Methods: MEDLINE and Embase were searched for original articles describing PP. We identified 115 studies from 24 countries representing 369 patients to include in the analysis.Results: Of the 369 patients included in the analysis, the mean age was 25.6 years (range: 13-72 years) with 72.1% (266 of 369) female. Risk factors or aggravating factors were described in 52.3% (193 of 369) of patients and included dietary changes (25.5%, 94 of 369), friction (8.4%, 31 of 369), sweat (7.6%, 28 of 369), and ketonuria (5.1%, 19 of 369). Of those patients who experienced PP following dietary changes, 40.4% (38 of 94) started a ketogenic diet. Minocycline monotherapy was the most frequently prescribed treatment for PP (20.9%, 77 of 369), achieving complete resolution in 48.1% (37 of 77) of patients.Conclusions: PP is sometimes associated with ketogenic diets and can be effectively managed with oral tetracyclines.
Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre-including this research content-immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.
Background Degos disease is a rare vascular disorder with a cutaneous-limited form, benign atrophic papulosis (BAP), and a systemic variant, malignant atrophic papulosis (MAP). Despite the poor prognosis of MAP, no study has established features associated with systemic disease. Objectives The aims of this systematic review were to: (1) summarize clinical features and treatments implemented for patients with MAP and BAP (2) identify clinical and laboratory factors associated with the development of MAP, compared to BAP. Methods We systematically searched MEDLINE and Embase from inception to April 2020. Demographic and clinical features of Degos patients were presented descriptively; multivariable logistic regression was performed to identify associations with MAP. Results We identified 99 case studies, comprising 105 patients. MAP (64%) had a 2.15 year median survival time from cutaneous onset, most often with gastrointestinal or central nervous system involvement. We found that elevations in either of erythrocyte sedimentation rate (ESR) or C-reactive protein (CRP) were associated with systemic involvement (OR 2.27, p = 0.023). Degos secondary to an autoimmune connective tissue disease was found to be inversely associated with MAP (OR 0.08, p = 0.048). Conclusions Elevated ESR or CRP is associated with MAP and may be a predictor of systemic involvement for patients with Degos disease. In addition, secondary Degos disease is associated with a favourable prognosis. Clinicians should be aware of the differences between primary and secondary Degos and the utility of ESR or CRP in identifying disease evolution to systemic involvement. The utility of ESR and CRP to identify systemic involvement should be further explored.
Background: While evidence suggests that hydroxychloroquine (HCQ) may decrease the viral load in patients with a COVID-19 infection, a number of case reports indicate adverse dermatologic effects of this potential treatment.Objective: To conduct a systematic review of previously reported cases of psoriasis onset, exacerbation, or relapse after HCQ treatment.Methods: Embase and MEDLINE were comprehensively searched for original studies examining adverse effects of HCQ treatment related to psoriasis. Participant demographics and details of HCQ administration and psoriasis diagnosis were extracted from 15 articles representing 18 patients.Results: Women accounted for a significantly larger number of cases of psoriasis compared with men and unreported sex (14 [77.8%] vs 2 [11.1%] vs 2 [11.1%], respectively). In addition, 50% (n = 9) of the patients did not have a history of psoriasis before taking HCQ. Of the 18 patients, 9 (50.0%) experienced de novo psoriasis, 5 (27.8%) experienced exacerbation of psoriatic symptoms, and 4 (22.2%) had a relapse of psoriasis after HCQ administration. Conclusion:HCQ treatment may result in induction, exacerbation, or relapse of psoriasis. Monitoring for adverse effects of HCQ treatment is necessary, and clinical trials are essential in characterizing the safety profile of HCQ use in patients with a COVID-19 infection.
Hidradenitis suppurativa (HS) is a chronic, inflammatory disease affecting approximately 1% of the global population. While age- and sex-specific prevalence of HS is well documented in literature, few studies have explored trends in racial predilections for HS. The objective of this study is to investigate the race-specific prevalence of HS. MEDLINE and EMBASE searches were conducted in the OVID database. Keywords included variations of “race,” “ethnicity,” “country,” “prevalence,” and “Hidradenitis suppurativa.” Studies were included if they were written in English or French, conducted on human participants, and had data on HS and race-specific prevalence. Meta-analyses, systematic and literature reviews, and irrelevant articles were excluded. Thirty-nine out of 184 articles met the inclusion criteria after abstract and full-text screening. Population distribution was scaled according to country-specific demographics reports. These demographic reports were extracted from each country’s national statistics report. The average HS prevalence rates were highest in African American populations (1.3%), lowest in Hispanics/Latinos (0.07%), and intermediate amongst Caucasian populations (0.75%). Total prevalence in all other ethnic groups (0.17%) was minor in comparison to African American and Caucasian populations. Since the highest rates of HS were found among African American population, literature has highlighted the possibility of a genetic etiology in HS development. However, further literature examining race-specific prevalence of HS internationally is required to accurately assess the frequency and underlying etiology of HS among varying racial populations.
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