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BMJ 2021 06 7;373:n1304. Epub 2021 Jun 7.

King's College Hospital, London, UK.

Clin Dermatol 2021 Jan-Feb;39(1):9-11. Epub 2020 Dec 15.

Department of Dermatology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China. Electronic address:

The epidemiology of coronavirus disease 2019 (COVID-19) in Beijing, China, is summarized. This presentation highlights its main clinical manifestations, including the skin findings in Beijing and sums up the cutaneous damage to the medical staff in their epidemic preventative work. Although there had been few COVID-19 patients who reported skin lesions in Beijing and even in China, dermatologists still needed to pay attention to self-protection in their daily work. Read More

Indian J Dermatol Venereol Leprol 2021 Apr 23:1-3. Epub 2021 Apr 23.

Department of Dermatology, Peking University First Hospital, Beijing Key Laboratory of Molecular Diagnosis on Dermatoses, National Clinical Research Center for Skin and Immune Diseases, Beijing, China.

J Dermatol 2021 May 9. Epub 2021 May 9.

Institut de Recherche Interdisciplinaire en Biologie humaine et moléculaire (IRIBHM), Université libre de Bruxelles (ULB), Brussels, Belgium.

Demodex folliculorum and brevis are commensal mites that live in low densities in human pilosebaceous follicles as part of the normal adult microbiota, but that give rise to demodicosis and, possibly, rosacea, when they proliferate excessively. This proliferation is favored by various factors, including age, marked immunosuppression, sebaceous gland hyperplasia, and hypervascularization-related factors. To study possible factors influencing mite proliferation, we explored the effects of different variables on Demodex densities (Dd) in a retrospective study of two groups of subjects selected on the basis of their clinical diagnosis: Demodex+, consisting of subjects with demodicosis or with centro-facial papulopustules suggesting rosacea (n = 844, mean Dd 263. Read More

Ital J Dermatol Venerol 2021 Apr;156(2):220-225

Department of Clinical Dermatology, IRCCS Galeazzi Orthopedic Institute, Milan, Italy.

Background: During the recent COVID-19 outbreak, masks became mandatory and shortages frequent, therefore the prevalence of non-CE (European Conformity Mark) approved masks increased in the general population. We aimed to quantify the prevalence of mask-related cutaneous side effects and the differences between CE and non-CE approved masks.

Methods: In this multicenter prospective observational study conducted from March 20, 2020 to May 12, 2020(during and after quarantine), patients attending emergency departments for a dermatological consult were clinically assessed and their masks were inspected to detect CE marks and UNI (Italian National Unification Entity) norms. Read More

Ann Dermatol 2020 Aug 30;32(4):298-305. Epub 2020 Jun 30.

Department of Dermatology, Seoul National University Bundang Hospital, Seongnam, Korea.

Background: The clinical features of inflammatory papular dermatoses of the face are very similar. Their clinical manifestations have been described on the basis of a small number of case reports and are not specific.

Objective: This study aimed to use computer-aided image analysis (CAIA) to compare the clinical features and parameters of inflammatory papular dermatoses of the face and to develop a formalized diagnostic algorithm based on the significant findings. Read More

J Cosmet Dermatol 2021 Apr 20. Epub 2021 Apr 20.

Department of Pathology, Selcuk University Faculty of Medicine, Konya, Turkey.

Background: Infantile eosinophilic pustular folliculitis (I-EPF) is a rare disease characterized by pruritic vesicles and sterile pustules on the erythematous surface of the scalp and facial localization, usually seen in the neonatal period. It is essential to show the presence of dense eosinophils in the diagnosis of pustules. Histopathological examination of the hair follicles by eosinophils infiltration is determined. Read More

Eur J Dermatol 2021 Apr;31(2):199-204

Department of Dermatology and Allergy, University Hospital, LMU Munich, Germany.

Background: During the COVID-19 pandemic, wearing face masks is mandatory not only for health care workers (HCWs) but also for the general population in many countries around the globe.

Objectives: The aim of the study was to investigate the onset of adverse facial skin reactions due to compulsory face masks during the COVID-19 pandemic in HCWs and non-HCWs, and draw awareness of this new dermatological condition and its preventive measures.

Materials & Methods: A questionnaire was distributed to 550 patients and HCWs from the Department of Dermatology and Allergy of the University Hospital Munich (LMU), Germany. Read More

J Cosmet Dermatol 2021 Mar 31. Epub 2021 Mar 31.

Vichy Laboratoires, Montreal, QC, Canada.

Introduction: Minéral 89 (M89), comprised of 89% Vichy mineralizing water and hyaluronic acid, has been formulated to help strengthen and restore skin barrier.

Aim: Assess tolerance and efficacy of M89 in post-esthetic procedures and dry skin-related facial dermatoses.

Method: Adults post-esthetic procedure or presenting with inflammatory dermatoses (47 subjects; mean age 40. Read More

Dermatol Ther 2021 05 23;34(3):e14934. Epub 2021 Mar 23.

Department of Public Health, Adıyaman University School of Medicine Faculty, Adıyaman, Turkey.

In the present study, the purpose was to evaluate the presence of dermatological symptoms and the effects of mask use on existing dermatological diseases associated with face in patients admitting with any dermatological disease. The present study consisted of 150 patients, including 91 volunteering women and 59 men, admitting to our dermatology clinic with any dermatological symptoms. The presence of symptoms, such as itching, rash, drying and peeling, discomfort, redness, burning, pain, swelling, acne, oily skin symptoms because of mask use, and previous history of facial dermatological disease, whether this disease increased with the use of mask, were questioned. Read More

Pediatr Dermatol 2021 Jan;38(1):267-268

Dermatology Department, Walter Reed National Military Medical Center, Bethesda, MD, USA.

BMJ Case Rep 2021 Feb 10;14(2). Epub 2021 Feb 10.

Department of Cardiology, Matsudo City General Hospital, Matsudo, Chiba, Japan.

J Cutan Med Surg 2021 Feb 5:1203475420988864. Epub 2021 Feb 5.

7985266277985 Division of Dermatology, Department of Medicine, Women's College Hospital, University of Toronto, Toronto, ON, Canada.

Background: Pyoderma gangrenosum (PG) is a rare neutrophilic dermatosis characterized by painful and ulcerating lesions on the skin. It rarely involves the face and is often difficult to diagnose. There are few cases reported in the literature of PG involving the face. Read More

Dermatol Ther 2021 Mar 19;34(2):e14848. Epub 2021 Feb 19.

Department of Health Sciences, University of Eastern Piedmont, Novara, Italy.

Masks are essential for COVID-19 prevention, but recently they were suggested to modify cutaneous facial microenvironment and trigger facial dermatoses. To evaluate mask-related rosacea and acne (maskne) in untreated patients during lockdown. In this multi-center, real-life, observational prospective study, we enrolled stable, untreated acne and rosacea patients that wore masks during lockdown at least 6 h/day. Read More

Dermatol Ther 2021 03 15;34(2):e14829. Epub 2021 Feb 15.

Hidradenitis Suppurativa Clinic, Department of Dermatology, Hospital Universitario Virgen de las Nieves, Granada, Spain.

Hidradenitis suppurativa (HS) is a chronic inflammatory disorder affecting the hair follicle which typically affects the axilla, inguinal, submammary, and perianal areas. Atypical HS, such as facial HS, dissecting cellulitis of the scalp (DCS), nape HS, and HS lymphedema has also been described. There is scarce evidence about the treatment of atypical HS. Read More

Dermatol Ther 2021 Mar 8;34(2):e14823. Epub 2021 Feb 8.

Department of Health Sciences, University of Eastern Piedmont, Novara, Italy.

During COVID-19 pandemic, wearing masks for prevention became mandatory but evidence suggest that is also detrimental for skin. Although facial dermatoses due to masks increase in both healthcare workers and general population, a pathogenetic hypothesis remains still elusive. We aimed to evaluate the prevalence of dermatological consultations due to Koebner triggered dermatoses In this prospective, multicenter, real life study carried out in Italy from March 11th to December 11th 2020 during COVID-19 pandemics, dermatological consultations (in-person and telemedicine) to study the prevalence of Koebner (KB) phenomenon due to masks were evaluated. Read More

Mycopathologia 2021 May 23;186(2):313-314. Epub 2021 Jan 23.

Beijing Key Laboratory of Molecular Diagnosis on Dermatoses, Department of Dermatology and Venereology, Peking University First Hospital, No. 8 Xishiku Street, Xicheng District, 100034, Beijing, People's Republic of China.

Acta Clin Croat 2020 Jun;59(2):318-328

1Department of Dermatovenereology, Sestre milosrdnice University Hospital Centre, Zagreb, Croatia; 2School of Dental Medicine, University of Zagreb, Zagreb, Croatia; 3Faculty of Dental Medicine and Health, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia; 4Department of Oral Medicine, School of Dental Medicine, University of Zagreb, Zagreb, Croatia.

Allergic reactions sometimes participate in the development of perioral and oral diseases, indicating the need for appropriate allergen assessment. This review discusses current knowledge on the potential allergic reactions to different dental materials in patients with oral and perioral diseases. Aside from allergies to various dental materials, similar non-allergic, non-immune contact reactions (irritant or toxic) can occur. Read More

Dermatol Ther 2021 03 24;34(2):e14772. Epub 2021 Jan 24.

Department of Dermatology, Hospital do Meixoeiro EOXI, Vigo, Spain.

Contact Dermatitis 2021 06 17;84(6):466-467. Epub 2021 Jan 17.

Department of Medical Sciences, Section of Dermatology, University of Ferrara, Ferrara, Italy.

Indian Dermatol Online J 2020 Nov-Dec;11(6):948-952. Epub 2020 Nov 8.

Department of Community Medicine, S. Nijalingappa Medical College, Bagalkot, Karnataka, India.

Introduction: Lupus Vulgaris (LV) is the chronic, progressive, tissue destructive form of cutaneous tuberculosis. LV should be diagnosed and treated to prevent scaring and deformities. Histopathology is the gold standard for the diagnosis. Read More

Eur J Dermatol 2020 Dec;30(6):688-698

First Department of Dermatology, Aristotle University, Thessaloniki, Greece.

Background: Dermoscopy has been shown to be a useful supportive tool to assist the diagnosis of several non-neoplastic dermatoses (i.e. inflammatory, infiltrative and infectious skin diseases), yet data on skin of colour is still limited. Read More

Maedica (Bucur) 2020 Sep;15(3):416-417

Department of Epidemiology, "Grigore T. Popa" University of Medicine and Pharmacy Iasi, Romania.

COVID-19 (SARS-COV-2) pandemic is associated with aggravation of facial dermatoses caused by professional prophylactic measures, mostly face masks, especially reported in healthcare workers, such as irritant and contact dermatitis, seborrheic dermatitis, rosacea, acne. We present a case of flare-up of rosacea in a nurse working in an Intensive Care Unit for COVID-19 patients, using FFP1 type mask at work and textile or paper mask outside the hospital. Read More

Biology (Basel) 2020 Dec 7;9(12). Epub 2020 Dec 7.

Department of Dermatology, Venereology and Allergology, Wroclaw Medical University, 50-368 Wroclaw, Poland.

Background: Face mask use has increased significantly due to the COVID-19 pandemic. Health care workers (HCW) wear masks for prolonged periods and are prone to adverse effects. Very little is known about face-mask-associated itch. Read More

J Dermatol 2021 Mar 4;48(3):405-407. Epub 2020 Dec 4.

Department of Dermatology, Seoul National University College of Medicine, Seoul, Korea.

Pediatric periorificial dermatitis is a papulopustular eruption found around the facial orifices in children. Although the treatment of the disease has been largely anecdotal and experience-based, studies have shown that topical calcineurin inhibitors, as well as other topical and oral antibiotics, such as metronidazole, can be effective treatment options. However, most of the studies with a sizable number of patients have been based on the Caucasian population. Read More

Dermatitis 2021 Mar-Apr 01;32(2):78-85

Duke Dermatology, Duke University Medical Center, Durham, NC.

Background: The coronavirus infectious disease 2019 pandemic has resulted in health care workers donning personal protective equipment (PPE) for extended periods.

Objectives: The aims of the study were to review facial PPE (surgical masks and N95 respirators) ingredients, to identify facial PPE resterilization techniques, and to recommend strategies for prevention and management of facial PPE-related dermatoses.

Methods: Twenty-one facial PPE (11 N95 respirators, 10 surgical masks) were reviewed. Read More

Trop Doct 2021 Apr 24;51(2):259-260. Epub 2020 Nov 24.

MD, Department of Dermatology, 29751PGIMER, Chandigarh, India.

Tuberous sclerosis complex is a common neurocutaneous disorder that predominantly affects the brain, skin, eyes, heart and kidneys. The management of tuberous sclerosis complex has been revolutionised with vigabatrin for spasms and everolimus for angiomyolipomas and seizures. We describe a 10-year-old girl with generalised tonic-clonic seizures whose diagnosis of tuberous sclerosis complex was made in view of the presence of a forehead plaque. Read More

J Eur Acad Dermatol Venereol 2021 Mar 21;35(3):e176-e178. Epub 2020 Dec 21.

Department of Dermatology, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand.

Arthritis Rheumatol 2021 01 17;73(1):21-22. Epub 2020 Nov 17.

Am Fam Physician 2020 11;102(10):625-626

University of Maryland School of Medicine, Baltimore, MD, USA.