Content - Volume 101, February

Chronic nodular prurigo (syn.: prurigo nodularis) is a highly pruritic condition often refractory to treatment. We performed a multicenter prospective study in Europe to understand patients’ needs and satisfaction with therapy. Improvement of itch is the most important therapy goal for patients. Although most patients had a moderate/severe disease, only a minority were treated with potent medications such as systemic immunosuppressants, gabapentinoids or novel biologic drugs, which likely contributes to high levels of dissatisfaction with therapy. Our findings highlight the suboptimal management of patients with this burdensome condition. Implementation of the new guideline for chronic prurigo is essential to improve care.

The main objectives of this study were to characterize the metabolomic profile of lesional skin of patients with atopic dermatitis, and to compare it with non- lesional skin of patients with atopic dermatitis and skin of controls with no dermatological disease. Skin-punch biopsies were collected from 15 patients and 17 controls. Targeted analysis of 188 metabolites was conducted. A total of 77 met ...

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Pigmented basal cell carcinomas can be difficult to distinguish from melanocytic tumours. Hyperspectral imaging is a non-invasive imaging technique that measures the reflectance spectra of skin in vivo. The aim of this prospective pilot study was to use a convolutional neural network classifier in hyperspectral images for differential diagnosis between pigment­ed basal cell carcinomas and melanom ...

Previous research presents pulsed dye laser-mediated photodynamic therapy as a promising alternative to conventional red-light photodynamic therapy. In this study, 60 patients with 2 or more actinic keratoses randomly received either of these treatments on each side of the head. A physician blinded to the treatment evaluated treatment response at 6 months for each lesion, as completely, partially ...

Chronic nodular prurigo is characterized by recalcitrant itch. Patient perspectives on therapeutic goals, satisfaction with therapy and efficacy of therapeutic regimens for this condition are unknown. This questionnaire study examined these issues in 406 patients with chronic nodular prurigo from 15 European dermatological centres. Improvements in itch, skin lesions and sleep were the most importa ...

Currently no treat-to-target framework to guide systemic treatment in adults with moderate-to-severe atopic dermatitis exists. We sought to reach international consensus through an eDelphi process on a core set of recommendations for such an approach. Recommendations were developed by an international Steering Committee, spanning 3 areas (Guiding Principles, Decision Making, and Outcome Thresholds ...

Chronic prurigo is a pruritic disease characterized by the development of pruriginous lesions due to scratching. The number of lesions is representative of the stage of the disease, while the presence of excoriations reflects the scratching activity. Aim of this study was to validate a new developed tool for the objective assessment of chronic prurigo. Investigator’s Global Assessment scales for ...

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Porokeratoses are a heterogeneous group of keratinization disorders. For linear porokeratosis and disseminated superficial actinic porokeratosis, a heterozygous pathogenic germline variant in a mevalonate pathway gene and a postzygotic second hit mutation present in affected skin have been shown to be the patho­genetic mechanism for the development of the lesions. However, the molecular mechanism ...

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Sclerodermoid chronic graft-versus-host disease (scGVHD) is a severe complication of allogeneic haema­- topoietic stem cell transplantation. The aim of this study was to investigate the usefulness of high-frequency ultrasound of the skin in assessing the inflammatory patterns and prognosis of patients with scGVHD. A prospective study was carried out with patients who developed scGVHD in the perio ...

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The aims of this study were to assess the prevalence of, and risk factors for, Chlamydia trachomatis in attendees recruited prospectively from October 2018 to January 2019 at the only sexually transmitted infections clinic in Iceland (in Reykjavík), and to evaluate the cobas 4800 CT/NG Test and Aptima Combo 2 Assay for C. trachomatis detection in male urine and female vaginal swabs. Prevalence of ...

Gentamicin ointment has potential in the treatment of Nagashima-type palmoplantar keratosis. However, there is a lack of reliable study data. The aim of this study was to perform a prospective, randomized, double-blinded, contralateral, vehicle-controlled clinical trial. A total of 20 subjects diagnosed with Nagashima-type palmoplantar keratosis by genetic test, who carried nonsense mutations, enr ...

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The safety of ultraviolet B (UVB) phototherapy with respect to cutaneous carcinogenesis has not been established for patients with chronic kidney disease. To investigate this issue, a nationwide cohort study of 10,805 patients with advanced chronic kidney disease was conducted using data from the National Health Insurance of Taiwan, the Taiwan Cancer Registry, and the national death registry. Afte ...

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The interleukin (IL)-36 cytokine family plays an essential role in inflammatory processes in the skin and is implicated in the pathogenesis of psoriasis. This study explored the role of IL-36 in psoriasis and investigated the molecular mechanism involved in tumour necrosis factor-α (TNFα)/IL-17A-mediated IL-36 induction. In human keratinocytes IL-36 expression was strongly upregulated by combine ...

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Low-dose methotrexate is widely used in mycosis fungoides and Sézary syndrome, but few studies have evaluated this treatment. The aim of this study was to evaluate the benefit/risk ratio of this regimen on skin lesions. A retrospective survey of a series of patients treated for mycosis fungoides or Sézary syndrome with low-dose methotrexate and followed for at least one year in a tertiary referr ...

Systemic monotherapy with rituximab is a well-known treatment approach for primary cutaneous follicle centre lymphoma and primary cutaneous marginal zone lymphoma. Both have excellent prognosis despite high relapse rates. To investigate the long-term effectiveness and clinical outcome of intravenous rituximab at a dose of 375 mg/m2 once weekly, data for 26 patients (17 primary cutaneous follicle c ...

Granular deposits of IgA represent the specific cutaneous marker of dermatitis herpetiformis. The prevalence of IgA deposits in the skin of patients with coeliac disease without dermatitis herpetiformis remains unknown. In this prospective case-control study, skin biopsies from newly diagnosed coeliac patients without dermatitis herpetiformis were analysed by direct immunofluorescence. Controls in ...

Facial high-risk basal cell carcinomas are preferably treated with Mohs micrographic surgery, but only 10% of patients are offered Mohs micrographic surgery in Sweden. The aim of this retrospective study was to examine the differences between primary and recurrent or incompletely excised facial high-risk basal cell carcinomas undergoing Mohs micrographic surgery, with regard to the number of stage ...