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BACKGROUND Hidradenitis suppurativa/acne inversa is an inflammatory, debilitating disease for which wide local excision of the affected area with secondary wound healing is considered the treatment of first choice for the inactive scarring form or after adequate anti-inflammatory medical treatment. OBJECTIVES In this study, we aimed to assess the duration of complete secondary wound healing after surgical intervention for hidradenitis suppurativa/acne inversa. MATERIALS & METHODS Twenty-three surgical procedures in 17 consecutive patients (eight female, nine male) were evaluated for duration of secondary wound healing at axillary or anogenital/inguinal sites. To investigate the contribution of hair follicle bulge progenitor cells in wound re-epithelialization, tissue samples of lesional and perilesional skin were analysed for expression of the stem cell marker, cytokeratin 15 (CK15), and CD200, a marker for human follicular stem cells that resides in the bulge area. RESULTS Initial wound size did not differ significantly between surgical wounds in the axillary (mean: 30.0 cm2 ± 5.4) and anogenital/inguinal (mean: 35.3 cm2 ± 5.7) region. However, healing time to complete wound closure was almost twice as fast in the anogenital/inguinal (mean: 132 days ± 10.4) than axilla area (mean: 254 days ± 39.1; p

Highlights • First case report of coronavirus disease 2019 (COVID-19) in a multiple sclerosis patient under fingolimod treatment • The patient revealed severe bilateral interstitial pneumonia on chest CT scan, but recovered rapidly. • It is important to further investigate potential risks and therapeutic effects of fingolimod in COVID-19 patients, Background : Fingolimod is used for immune therapy in patients with multiple sclerosis. Long-term treatment is associated with a small increase in the risk of herpes virus reactivation and respiratory tract infections. Patients with coronavirus disease 2019 (COVID-19) under Fingolimod treatment have not been described. Methods and results : We report a 57-year old female patient with a relapsing remitting multiple sclerosis under fingolimod treatment who experienced a severe COVID-19 infection in March 2020 (Extended Disability Status Scale: 2.0). Having peripheral lymphopenia typical for fingolimod treatment (total lymphocytes 0.39/nL [1.22-3.56]), the patient developed bilateral interstitial pneumonia with multiple ground-glass opacities on chest CT. Fingolimod medication was stopped. On the intensive care unit, non-invasive ventilation was used to provide oxygen and ventilation support regularly. Over the following two days, oxygenation improved, and the patient was transferred to a normal ward five days after admission. Conclusion : The implications fingolimod has on COVID-19 are complex. As an S1P analogue, fingolimod might enhance lung endothelial cell integrity. In addition, in case of a so-called cytokine storm, immunomodulation might be beneficial to reduce mortality. Future studies are needed to explore the risks and therapeutic effects of fingolimod in COVID-19 patients.

Measurement devices such as sweating manikins, cylinders or hotplates are used for testing thermal and moisture transfer properties of clothing or textiles. A critical feature of these measurement devices is the design of the outer covering fabric that tightly enfolds the device like a skin. The artificial skin principally has to match individual requirements because the different sweating devices have different sweating systems and surface compositions. In this study knitted fabrics with different fiber and yarn types are proposed to be used as an artificial skin. Thermal and moisture properties of the fabrics were measured to obtain skin-like characteristics and a mathematical model for the quantification of thermal and moisture-management properties based on geometrical characteristics was developed. The results show that the thermal and moisture-management properties of the fabrics do not only depend on the fiber properties but also relevantly on their geometrical properties such as thickness, diameter and number of stitch pores. For example, thermal resistance is significantly affected by the stitch pore diameter, and evaporative resistance by the fabric thickness. Furthermore, water content and drying speed are determined by the capillary structure, and therefore, are more influenced by yarn and fabric structure parameters, whereas contact angle and wettability are more influenced by the fiber type. In conclusion, the tested fabrics satisfy all the requirements to match the anatomical properties of the human skin; however, two fabric types, PES_19f30_SET and PES_28f48_GL, exhibited superior characteristics suitable for application as artificial skin on measurement devices.

Hidradenitis Suppurativa (HS) is a chronic debilitating skin condition that impairs the productivity and the quality of patients` lives. HS has recently drawn lots of attention among scholars to further expand their knowledge but it still loads with uncertainties and gaps to be explored. This publication addresses these uncertainties, and provides a road-map for researchers, scholars and clinicians from different disciplines for their future studies about HS. This is a proceeding report of the first Symposium on Hidradenitis Suppurativa Advances (SHSA), and it reviews the scientific sessions about the epidemiology, pathophysiology, presentations, and management of HS. This symposium was a great opportunity for experts in the HS field to exchange their knowledge, and improve their mutual understanding of this disease.

Sevda Karimian,1 Juergen Stein,2 Boris Bauer,3 Claudius Teupe1 1Department of Medicine – Cardiology, 2Department of Medicine– Gastroenterology, 3Department of Radiology, Krankenhaus Sachsenhausen, Teaching Hospital of Goethe University Frankfurt, Frankfurt, Germany Background/objectives: Obesity is independently associated with left ventricular (LV) diastolic dysfunction and altered cardiac morphology. Morbidity and mortality in patients with diastolic dysfunction are similar to values observed in patients with systolic heart failure. We hypothesized that dysfunctional cardiac responses in people with obesity are reversible after weight loss. Thus, we studied the effect of dietary weight reduction on LV diastolic function as well as on cardiac structure using transthoracic echocardiography and tissue Doppler ­imaging (TDI). Subjects/methods: Thirty-two subjects with obesity underwent a 12-week low-calorie fasting phase of a formula diet. Echocardiographic tissue Doppler indices of diastolic function and measurements of cardiac size were obtained prior to and after the fasting phase. Results: A 12-week diet significantly reduced body mass index from 40.3 ± 6.6 kg/m2 to 33.2±6.1kg/m2 (p< 0.01). Weight loss was associated with a significant reduction in blood pressure and heart rate. Echocardiography revealed diastolic dysfunction in subjects with obesity, which was improved by dieting. After weight loss, trans-mitral Doppler echocardiography showed a significant reduction in A-wave velocity, from 65.8 ± 19.2cm/s to 57.0 ± 16.8cm/s, and an increase in E/A ratio from 1.2 ± 0.4 to 1.4 ± 0.5 (p < 0.01). TDI displayed a significantly lower a′-wave velocity (10.3 ± 2.3cm/s and 8.9 ± 1.7 cm/s;p< 0.01). Left atrial and LV dimensions were normal and remained unchanged after weight loss. Conclusion: Obesity is associated with diastolic dysfunction. A 12-week low-calorie diet with successful weight loss can reduce blood pressure and heart rate and partially normalize diastolic dysfunction. Keywords: adiposity, echocardiography, tissue Doppler imaging, diastolic function, weight loss

Hidradenitis suppurativa (HS) causes a significantly compromised quality of life. Assessment of the psychological burden of HS is crucial for evidence-based allocation of resources. We examined methods to easily assess the psychological burden in HS patients. A total of 110 HS patients were assessed with respect to sociodemographic data, Hurley scale, and modified Sartorius score. Patients were asked to provide information on time of first diagnosis, previous therapies, surgical intervention, and pre-existing conditions. Distributed questionnaires were the Dermatology Life Quality Index (DLQI) and the Skindex-29, the Visual Analogue Scale (VAS) for pain, and the German version of the Hospital Anxiety and Depression Scale (HADS-D) for evaluation of anxiety (HADS-D/A) and depression (HADS-D/D). Of the 110 patients with HS (mean age: 38 ± 12 years; range: 18 to 75), 61 were female and 49 were male. We found a statistically significant correlation between HADS-D/A and VAS (p = 0.009), between Skindex-29 and Sartorius score (symptoms: p = 0.024; emotions: p = 0.019; functional status: p = 0.002), as well as between Skindex-29 and VAS (symptoms: p = 0.000; emotions: p = 0.001; functional status: p = 0.000). Additionally, VAS correlated significantly with DLQI (p = 0.000) and body mass index with Sartorius score (p = 0.038). Our study shows that HS patients experience a high level of psychological distress. Interestingly, a clear correlation between psychological burden and HS patients was inferred by the VAS for pain. HS patients require active management for their physical as well as psychological health.

Obesity is associated with an increased risk of heart failure. Little is known about the impact of dietary changes on the cardiac sequelae in obese patients. Twenty-one obese subjects underwent a 12-week low calorie fasting phase of a formula diet. Transthoracic two-dimensional speckle-tracking echocardiography was performed to obtain systolic left ventricular strain before and after weight loss. Body mass index decreased significantly from38.6±6.2to31.5±5.3 kg/m2, and the total percentage fat loss was 19%. Weight reduction was associated with a reduction in blood pressure and heart rate. Left ventricular longitudinal global peak systolic strain was in the lower normal range (−18.7±3.2%) before weight loss and was unchanged (−18.8±2.4%) after 12 weeks on diet with substantial weight loss. Also, no significant change in global radial strain after weight loss was noted (41.1±22.0versus43.9±23.3,p=0.09). Left atrial and ventricular dimensions were in normal range before fasting and remained unchanged after weight loss. In our study obesity was associated with normal systolic left ventricular function. A 12-week low calorie diet with successful weight loss can reduce blood pressure and heart rate. Systolic left ventricular function and morphology were not affected by rapid weight reduction.

Patients with psoriasis have an increased risk of cardiovascular disease that is partly attributable to chronic systemic inflammation. The aim of our prospective pilot study was to investigate the impact of fumaric acid esters (FAE), a first-line systemic antipsoriatic treatment in Germany, on cardiovascular risk parameters. Participants with moderate-to-severe psoriasis from the University Medical Center Mannheim and the University Hospital Wurzburg were treated with FAE for 16 weeks according to standard dosage recommendations. Disease severity, life quality and depression scores as well as biomarkers of inflammation, lipid and glucose metabolism were assessed prior to initiation of FAE and after 16 weeks. Out of 39 participants recruited, 27 completed the study. 44 % of all participants and 63 % of those completing the 16-week treatment achieved PASI 50 response and 27 or 37 % PASI 75 response. Clinical improvement was paralleled by significant improvement in quality of life, high treatment satisfaction and significant reduction of depressive symptoms. Adverse events, most frequently mild gastrointestinal complaints, flush and lymphocytopenia occurred in 89 %. FAE did not modify glucose metabolism or inflammatory parameters substantially. However, a highly significant increase in serum levels of the atheroprotective cytokine adiponectin was noted after 16 weeks (median 4.7 vs. 8.9 µg/ml; p = 0.0002). Our study demonstrates a significant beneficial impact of FAE on adiponectin, indicating a potential cardioprotective effect. It will be interesting to verify this finding in larger cohorts and to assess the long-term influence of FAE on cardiovascular risk and disease.

Becker naevus syndrome is a rare epidermal naevus syndrome defined by the co-occurrence of a Becker naevus with various cutaneous, muscular and skeletal anomalies. In the majority of cases, abnormalities exclusively consist of ipsilateral hypoplasia of the breast, areola and/or nipple in addition to the naevus. Here, we report on a 42-year-old woman with an extensive Becker naevus reaching from the left buttock to the left calf verified on histological examination. In addition, there was marked hypoplasia of the fatty tissue of the left thigh confirmed by magnetic resonance imaging in contrast to hyperplasia of the fatty tissue of the left gluteal area. Underlying muscles and bones were not affected. There was no difference in leg lengths. In addition, we review and discuss the features of Becker naevus syndrome with emphasis on 10 reported cases with involvement of the lower body.

Background: Kerinokeratosis papulosa (KP) is considered an extremely rare genodermatosis presenting usually as waxy papules on the trunk in childhood. Objective: To describe and analyze the clinical, histological and potential etiopathological aspects of KP. Methods: The dermatoscopic features of a new case of KP of childhood are investigated. The presence of human papillomavirus (HPV) DNA in lesional skin was studied by polymerase chain reaction. Furthermore, all cases of KP of childhood reported so far were reviewed. Results: As a diagnostic tool, we describe for the first time a dermatoscopic feature, namely a cribriform pattern of KP, in an 11-year-old boy. In addition, we detected HPV (type 57) in his KP lesions. Conclusions: Dermatoscopic examination might be a useful tool to distinguish KP from other skin lesions, e.g. common warts. The detection of HPV type 57 might hint to an etiological role of HPV for KP.