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Dermatol Ther 2020 Jun 1. Epub 2020 Jun 1.

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

New virus SARS-Cov-2 infection has spread over the world affecting all daily activities, including functioning of health services. Due to pandemic many hospitals were ordered to re-organize their work. The aim of the current report was to evaluate the influence of COVID-19 pandemic on the hospitalizations at the tertiary dermatology department in south-west Poland. Read More

Indian Dermatol Online J 2020 Mar-Apr;11(2):167-170. Epub 2020 Mar 9.

Department of Medical Microbiology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.

Background: Pityriasis versicolor (PV) is the most common chronic superficial infection of the stratum corneum, reported in 40-60% of the tropical population. After the description of the new species, only a few studies have been conducted from India.

Aims: Molecular identification, quantification of species implicated with PV and correlation to its clinical presentation. Read More

Dermatol Ther 2020 May 31:e13730. Epub 2020 May 31.

Department of Dermatology, Necmettin Erbakan University Meram Medical Faculty, Konya, Turkey.

A new type of coronavirus family (SARS-CoV-2), which can be found in humans and animals, with many varieties and clinical symptoms, was first seen in Wuhan, China in late 2019, under the name novel Coronavirus Disease 2019 (COVID-19). In the literature, cutaneous symptoms related to the disease are generally emphasized. However, it is not yet known whether this new SARS-CoV-2 virus, which has entered our lives, plays a role in the etiopathogenesis of dermatological diseases. Read More

Indian J Dermatol Venereol Leprol 2020 May 28. Epub 2020 May 28.

Department of Dermatology, Venereology and Leprosy, JSS Medical College, Mysore, Karnataka, India.

Clin Neurol Neurosurg 2020 May 5;195:105886. Epub 2020 May 5.

Department of Neurology, George Washington University, Washington, DC, United States; Department of Neurology, Veterans Affairs (VA) Multiple Sclerosis Centers of Excellence, Washington, DC, United States.

J Eur Acad Dermatol Venereol 2020 May 26. Epub 2020 May 26.

Dermatology Department, Hôpital Victor Dupouy, Argenteuil, France.

We read with interest the publications in the JEADV which reported dermatological manifestations associated with COVID-19, such as pityriasis rosea, urticaria, rash, vascular signs, or chilblain-like lesions. Herein, we report two life-threatening cases of children presenting with fever and eruptions with mucous membrane involvement - erythema multiforme and Kawasaki disease - associated with COVID-19. Read More

Dermatol Ther 2020 May 22. Epub 2020 May 22.

Department of Dermatology, Hospital Universitario 12 de Octubre, I+12 Research Institute, Universidad Complutense, Madrid, Spain.

Hum Genet 2020 May 20. Epub 2020 May 20.

Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Institut National de la Santé et de la Recherche Médicale (INSERM) UMR-1163, Necker Hospital for Sick Children, Paris, EU, France.

Human papillomaviruses (HPVs) infect mucosal or cutaneous stratified epithelia. There are 5 genera and more than 200 types of HPV, each with a specific tropism and virulence. HPV infections are typically asymptomatic or result in benign tumors, which may be disseminated or persistent in rare cases, but a few oncogenic HPVs can cause cancers. Read More

Korean J Fam Med 2020 May 21. Epub 2020 May 21.

Department of Dermatology, Hospital Raja Perempuan Zainab II, Kota Bahru, Malaysia.

Primary cutaneous lymphomas are rare diseases among the general population, and even rarer in children. Mycosis fungoides (MF) is the most commonly diagnosed form in childhood. Several atypical clinical variants of MF have been reported, and pityriasis lichenoides-like MF (PL-like MF) is a recently described subtype. Read More

Front Cell Infect Microbiol 2020 5;10:199. Epub 2020 May 5.

Grupo de Investigación Celular y Molecular de Microorganismos Patógenos (CeMoP), Departamento de Ciencias Biológicas, Universidad de los Andes, Bogotá, Colombia.

and are lipophilic and lipid dependent yeasts, associated with the skin microbiota in humans and domestic animals, respectively. Although they are commensals, under specific conditions they become pathogens, causing skin conditions, such as pityriasis versicolor, dandruff/seborrheic dermatitis, folliculitis in humans, and dermatitis and otitis in dogs. Additionally, these species are associated with fungemia in immunocompromised patients and low-weight neonates in intensive care units with intravenous catheters or with parenteral nutrition and that are under-treatment of broad-spectrum antibiotics. Read More

J Cosmet Dermatol 2020 May 16. Epub 2020 May 16.

SVKM's NMIMS, School of Pharmacy & Technology Management, Shirpur Campus, Shirpur, India.

Background: Pityriasis capitis commonly known as dandruff is one of the most common and widely seen dermatological disease that affects majority of the world population. It is more than superficial flaking, as it leads to significant structural changes in the stratum corneum and inflammatory biomarkers. Various intrinsic and extrinsic factors, such as Malassezia yeast, host epidermal conditions, sebaceous secretion, and abnormal immune responses, are found to contribute to the pathogenesis. Read More

Int J Dermatol 2020 May 13. Epub 2020 May 13.

Department of Dermatology, Firat University Hospital, Elazig, Turkey.

Background: The use of dermoscopy for the evaluation of various inflammatory dermatoses has witnessed a gradual increase in recent years. The present study describes and highlights the importance of dermoscopic findings in the differential diagnosis of plaque psoriasis (PP), lichen planus (LP), mycosis fungoides (MF), pityriasis rosea (PR), and nummular dermatitis (ND) that mostly involve the trunk.

Methods: The study included 150 cases (PP:50, LP:30, MF:20, PR:30, ND:20). Read More

J Eur Acad Dermatol Venereol 2020 May 2. Epub 2020 May 2.

General practitioner, Tehran, Iran.

Cutaneous manifestation has been reported in 0.2% of patients infected by COVID-19 in China, and 18 out of 88 patients from Italy. The most commonly reported features are exanthomatous rash, urticaria, chickenpox like vesicles, petechiae, and acute hemorrhagic edema of infancy. Read More

Pediatr Dermatol 2020 Apr 30. Epub 2020 Apr 30.

Division of Paediatric Dermatology, Children's Hospital AUF DER BULT, Hannover, Germany.

Although the clinical presentations of patients with pityriasis lichenoides et varioliformis acuta (PLEVA) may vary, bullae are not usually part of the clinical spectrum. To date, only two other cases of a bullous variant of PLEVA with evidence of autoantibodies against hemidesmosomal antigens have been reported. The term PLEVA pemphigoides was suggested for this unique clinical, pathological and serological combination of both PLEVA and bullous pemphigoid. Read More

Dermatol Ther 2020 Apr 20:e13431. Epub 2020 Apr 20.

Department of Dermatology, Dermatology Hospital, Southern Medical University, Guangzhou, China.

Australas J Dermatol 2020 Apr 20. Epub 2020 Apr 20.

Department of Dermatology, Saiseikai Central Hospital, Tokyo, Japan.

JAMA Dermatol 2020 Apr 15. Epub 2020 Apr 15.

Department of Dermatology, Oregon Health & Science University, Portland, Oregon.

Importance: Pityriasis rubra pilaris is a rare and disabling cutaneous disease that is frequently recalcitrant to conventional therapies and appears to involve interleukin (IL)-17 overexpression.

Objective: To investigate the clinical response and safety of ixekizumab in treating pityriasis rubra pilaris.

Design, Setting, And Participants: Single-arm, investigator-initiated trial conducted in adult patients with moderate to severe pityriasis rubra pilaris at a single-center academic university from June 2018 to January 2020. Read More

Front Cell Infect Microbiol 2020 20;10:112. Epub 2020 Mar 20.

St. Johns Institute of Dermatology, Kings College London, London, United Kingdom.

Yeasts of the genus, , formerly known as , are lipophilic yeasts, which are a part of the normal skin flora (microbiome). colonize the human skin after birth and must therefore, as commensals, be normally tolerated by the human immune system. The yeasts also have a pathogenic potential where they can, under appropriate conditions, invade the stratum corneum and interact with the host immune system, both directly but also through chemical mediators. Read More

JAAD Case Rep 2020 Apr 25;6(4):302-304. Epub 2020 Mar 25.

Department of Dermatology, Henry Ford Health System, Detroit, Michigan.

Dermatology 2020 Mar 27:1-6. Epub 2020 Mar 27.

Pediatric Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy.

Background: Mycoplasma pneumoniae pneumonia is sometimes associated with skin or mucous membrane eruptions. Available reviews do not address the association of Chlamydophila pneumoniae pneumonia with skin eruptions. We therefore conducted a systematic review of the literature addressing this issue. Read More

J Cutan Med Surg 2020 Mar/Apr;24(2):207-208

5620 Division of Dermatology, Jewish General Hospital, McGill University, Montreal, QC, Canada.

Int J Dermatol 2020 Mar 23. Epub 2020 Mar 23.

Centre for the Study and Treatment of Psoriasis at the Department of Clinical Dermatology, San Gallicano Dermatological Institute, IRCCS, Rome, Italy.

Clin Dermatol 2020 Jan - Feb;38(1):35-41. Epub 2019 Oct 25.

Sector of Dermatology and Post-Graduation Course in Dermatology, University Hospital and School of Medicine, Federal University of Rio de Janeiro, Brazil. Electronic address:

A rash is a disseminated eruption of cutaneous lesions with great variation in appearance, cause, and severity. When the physician is facing a rash, the history and physical examination of the patient are extremely important for the identification of the disease and its causal agent. There are various causes for a rash, which may be infectious, allergic, or rheumatologic, besides many others. Read More

Clin Dermatol 2020 Jan - Feb;38(1):113-121. Epub 2019 Nov 11.

Institute of Dermatology, Santa Maria della Misericordia University Hospital, Udine, Italy.

A prompt recognition of life-threatening and severe acute rashes is of utmost importance to start an appropriate therapy as soon as possible. Consequently, clinicians often must rely only on clinical data to make a diagnosis because some diagnostic procedures may take a relatively long time to be performed (eg, histologic examination, microbiologic tests). In this scenario, dermatoscopy may be useful as an auxiliary tool to support the diagnosis by highlighting subclinical features. Read More

Clin Dermatol 2020 Jan - Feb;38(1):105-112. Epub 2019 Oct 25.

Dermatologic Clinic, Policlinico San Martino, Largo R. Benzi 10, 16132 Genoa, Italy.

Any infectious illness presenting with an eruption in a pregnant patient may be associated with an increased risk of fetal loss. The viruses that can infect the placenta during maternal infection and can be transmitted to the fetus and cause congenital disease include the rubella virus, the measles virus, the varicella zoster virus, parvovirus B19, human cytomegalovirus, arboviruses, and hepatitis E virus type 1. In addition, some bacteria responsible for exanthematous diseases, like Treponema pallidum, can be transmitted during pregnancy from the mother to the fetus and cause fetal loss. Read More

Photodermatol Photoimmunol Photomed 2020 Mar 19. Epub 2020 Mar 19.

Institute of Physical Chemistry Rocasolano, CSIC, Madrid, Spain.

Background: Although systemic therapies are recommended for severe or recalcitrant cases of pityriasis versicolor (PV), they are not free of important side effects and drug interactions. Photodynamic therapy (PDT) utilizes the action of singlet oxygen and free radicals produced by a light-activated photosensitizer to kill viruses, bacteria, or fungi. In this study, the effect of a PDT mediated by methylene blue (MB) in PV was evaluated. Read More

Hautarzt 2020 Mar 17. Epub 2020 Mar 17.

Klinik für Dermatologie, Dermatochirurgie und Allergologie, Asklepios Klinik Weißenfels, Naumburger Str. 76, 06667, Weißenfels, Deutschland.

Pityriasis rubra pilaris is a rare papulosquamous chronic skin disease. The disease often exists for years and is difficult to treat. Not only is it clinically similar to psoriasis vulgaris, but both diseases also have a similar cytokine profile. Read More

Dermatol Ther 2020 Mar 17:e13319. Epub 2020 Mar 17.

Department of Dermatology and Venerology, Faculty of Medicine, Al-Azhar University, Cairo, Egypt.

Pityriasis versicolor (PV) is a chronic superficial fungal infection. Management using azole drugs leads to drug resistance. The present study aimed to compare the clinical outcome of 0. Read More

Acta Derm Venereol 2020 Mar 18;100(6):adv00089. Epub 2020 Mar 18.

Service of Dermatology, General University Hospital of Alicante, C/ Pintor Baeza, 12, ES-03010 Alicante, Spain.

The aim of this prospective study in a phototherapy unit was to describe adverse events (AEs) associated with discontinuation of phototherapy in a clinical setting. A total of 872 included patients received 1,256 courses of phototherapy treatment: 76.9% narrow-band UVB (NBUVB); 9. Read More

Dermatol Ther 2020 Mar 16:e13311. Epub 2020 Mar 16.

Department of Dermatology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China.

Pityriasis lichenoides (PL) is an uncommon cutaneous disorder. Oral erythromycin is proposed to be effective in treating the disease. Here, we reported 16 pediatric patients with PL and systematically reviewed published literatures on erythromycin treatment response in pediatric PL patients, to observe the different treatment response to erythromycin in the pityriasis lichenoides chronica (PLC) and the pityriasis lichenoides et varioliformis acuta (PLEVA) groups. Read More

J Am Acad Dermatol 2020 Mar 11. Epub 2020 Mar 11.

Department of Dermatology, West Virginia University, Morgantown, WV, USA.

Cell Tissue Bank 2020 Jun 12;21(2):313-320. Epub 2020 Mar 12.

Department of Radiation Microbiology, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), P.O. Box 29, Nasr City, Cairo, Egypt.

Pityriasis versicolor (PV) is a chronic skin disease caused by virulence activities of Malassezia, a genus of skin-associated yeasts. Traditionally, Tioconazole is used as a topical antifungal for curing PV. Previous investigations cited that human amniotic membrane (HAM), a placental tissue, has antimicrobial and anti-inflammatory activities and is useful as a dressing for healing skin lesions. Read More

Dermatol Ther 2020 Mar 11:e13303. Epub 2020 Mar 11.

Department of Dermatology, Hospital San Juan de Dios, La Plata, Argentina.

An Bras Dermatol 2020 Mar - Apr;95(2):259-260. Epub 2020 Feb 19.

Department of Dermatology and Radiotherapy, Faculdade de Medicina de Botucatu, Universidade Estadual Paulista, Botucatu, SP, Brazil. Electronic address:

Front Immunol 2020 21;11:280. Epub 2020 Feb 21.

Department of Dermatology, Nagoya University Graduate School of Medicine, Nagoya, Japan.

Turk J Med Sci 2020 Mar 10. Epub 2020 Mar 10.

Background/aim: H. pylori has been found to be related to certain dermatological diseases. However, there is no data as yet to propose an association between H. Read More

Australas J Dermatol 2020 Mar 3. Epub 2020 Mar 3.

Joaquim Chaves Labs, Lisboa, Portugal.

Ghana Med J 2019 Dec;53(4):287-293

Department of Dermatology, Obafemi Awolowo University, Ile-Ife, Osun State, Nigeria.

Background: Acne is an inflammatory disorder of the pilosebaceous gland, and the most common dermatosis in adolescents globally. Infectious dermatoses are common in the tropics, but due to the paucity of epidemiologic surveys, not much is known about the prevalence and common types found in different sub-populations including adolescents. It is however presumed that the prevalence will be high and the pattern diverse. Read More

J Dermatolog Treat 2020 Mar 9:1-7. Epub 2020 Mar 9.

Department of Dermatology, Loma Linda University, Loma Linda, CA, USA.

IL-17 inhibitors, including secukinumab, brodalumab, and ixekizumab, have been U.S. Food and Drug Administration (FDA) approved for the treatment of psoriasis. Read More

Br J Dermatol 2020 Feb 28. Epub 2020 Feb 28.

Division of Dermatology, Department of Medicine, University of Toronto School of Medicine, Toronto, ON, Canada.

Background: Pityriasis lichenoides (PL) is a papulosquamous dermatosis affecting both children and adults, for which no standard treatment currently exists.

Objectives: To characterize different treatment options and develop an evidence-based treatment algorithm for PL.

Methods: A systematic search of published literature on PL treatments was performed on 23 December 2017 via the MEDLINE, Embase, CINAHL, CENTRAL, ClinicalTrials. Read More

Cureus 2020 Jan 17;12(1):e6689. Epub 2020 Jan 17.

Dermatology, Affiliated Dermatology, Scottsdale, USA.

Tinea versicolor (TV), or pityriasis versicolor, is one of the most commonly occurring superficial mycoses. Typically, this condition is characterized by fine scaly hyper or hypopigmented macules and patches distributed on the trunk and upper extremities. Diagnosis is often based on clinical presentation. Read More

J Dermatolog Treat 2020 Mar 30:1-2. Epub 2020 Mar 30.

Department of Dermatology, St Vincent's Hospital Melbourne, Fitzroy, Australia.

J Med Microbiol 2020 Mar;69(3):436-442

Department of Dermatology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, PR China.

folliculitis (MF) and pityriasis versicolor (PV) are common dermatoses caused by species. Their molecular epidemiology, drug susceptibility and exoenzymes are rarely reported in China. To investigate the molecular epidemiology, drug susceptibility and enzymatic profile of clinical isolates. Read More

CMAJ 2020 Feb;192(5):E118

Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, Alta.

Indian J Med Microbiol 2019 Jul-Sep;37(3):454-456

Department of Microbiology, Sri Ramachandra Institute of Higher Education and Research, Chennai, Tamil Nadu, India.

Post-renal transplant fungal infections continue to be a major cause of mortality and morbidity. Universally reported fungi are Candida, especially Candida albicans, Cryptococcus, Aspergillus, Trichophyton rubrum and Pityriasis versicolor. Here, we report a case of infection caused by a rare fungus Diaporthe. Read More

Drug Saf 2020 May;43(5):395-408

Oncodermatology, Institut Claudius REGAUD and Institut Universitaire du Cancer Toulouse Oncopole, 1 avenue Irène Joliot-Curie 31059, Toulouse Cedex 9, France.

Hyperkeratotic skin adverse events are a group of toxic effects, characterized by the disruption of epidermal homeostasis and interaction with keratinocyte proliferation/differentiation or keratinocyte survival, and frequently reported with systemic anticancer treatments. These types of reactions include hand-foot skin reaction or palmoplantar keratoderma, induced psoriasis, keratosis pilaris-like or pityriasis rubra pilaris-like rashes, Grover's disease, and contact hyperkeratosis. Cutaneous squamoproliferative lesions are also described because of the presence of abnormal keratinocyte proliferation. Read More

Acta Dermatovenerol Croat 2019 Dec;27(4):270-272

Assoc. Prof. Suzana Ljubojević Hadžavdić, MD, PhD, Department of Dermatology and Venereology, Zagreb University Hospital Center, University of Zagreb School of Medicine, Šalata 4, 10000 Zagreb, Croatia;

The prevalence of psoriasis is 2% of the world's population (1). Inverse psoriasis is characterized by the development of erythematous shiny plaques at intertriginous areas of the body. The prevalence of only anogenital involvement appears to be low, but involvement of the anogenital area together with other areas is found in up to 45% of patients with psoriasis (2). Read More

Turk Pediatri Ars 2019 25;54(4):277-280. Epub 2019 Dec 25.

Department of Pharmacology, Islamic Azad University Science and Research Branch, Tehran, Iran.

Pityriasis versicolor is a common infection of the epidermis in adults, but only a few cases of this infection (especially the hypopigmented type) have been reported in infants aged under one year. Herein, we document a report of these cases and a review of the literature. Two patients with infantile pityriasis versicolor, who presented with hypopigmented macules on the neck, upper back, and chest are reported. Read More