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(1) Background: Hidradenitis suppurativa is a chronic, inflammatory skin disease. It is characterized by the transformation of normal skin into skin with abscesses, nodules, tunnels, and scars. The most commonly affected areas are the armpits, groins, buttocks, and subscapular area. Patients with HS require constant care under the supervision of the outpatient clinic. Due to the COVID-19 pandemic, consultations have been introduced in the form of telemedicine. The aim of this study was to evaluate the availability of HS treatment during the COVID-19 pandemic and to assess patient satisfaction, problems with access to medical care, and the impact of the pandemic on the course of the disease. (2) Methods: An internet survey with an anonymous questionnaire was used to assess the effectiveness of telemedicine consultations. The survey consisted of 25 closed questions, and responses were kept fully anonymous. (3) Results: Most respondents reported minor problems with accessing specialized HS medical care during the COVID-19 pandemic (n = 25, 35.71%). However, 35.71% (n = 25) of them reported major problems with appointments for specialized ambulatory treatment during the last few months of the pandemic, mainly due to delayed appointments. Almost half of the respondents had been diagnosed with COVID-19 (n = 34, 48.57%), and 58.57% (n = 41) of respondents did not see a correlation between COVID-19 infection and HS progression. (4) Conclusions: Our study showed that the pandemic significantly limited access to medical advice, and patients with hidradenitis suppurativa prefer standard consultations.

Medical professions are full of patterns and personal exemplars which determine norms of behaviour. Research works focused on the doctor's image include not only perception of reality, but also patients' subconscious expectations.To get to know the students' opinion on the image of dermatologists, to assess the public image of that profession and what factors have the biggest impact on that issue.The study was conducted in a group of 1000 Polish, non-medical students (F = 817, M = 183) between 18 and 25 years old. The data were collected through an anonymous, author-designed, online questionnaire. The questionnaire was sent via Internet social media to students from 12 various non-medical fields of study.51.6% of interviewees considered this profession as moderately prestigious. Only 18.9% of the respondents saw the image of the dermatologist created by the media as adequately presented. There is a statistically significant difference (In students' opinion, factors such as medical experience and communication with the patient have the strongest influence on the image of this profession. The second strongest factor affecting the choice of a dermatologist is information acquired by word of mouth from other patients and family members, without any prior verification.

An early distinction between "normal" and "abnormal" capillaroscopic pattern during the first visit to a dermatologist has a crucial significance for a diagnostic management of Raynaud's phenomenon (RP). There exists a question about the level of expertise sufficient to evaluate the microcirculation.To evaluate the utility of short courses on NFC among dermatologists and medical students in obtaining sufficient abilities for the identification of microvasculopathy in patients with RP using videocapillaroscope and handheld dermoscope.Both groups participated in 1-h course on NFC. Before the course, participants were asked to classify 20 videocapillaroscopic and 10 dermoscopic capillaroscopic pictures into "normal" or "abnormal" pattern. Each picture was displayed on a separate slide MS PowerPoint for 10 s. The evaluation was repeated soon after the course.A total of 36 dermatologists and 49 medical students were enrolled. The rate of properly classified dermoscopic and videodermoscopic pictures increased after the course in both groups, but students improved the accuracy of classification on dermoscopic pictures to the greater extent than dermatologists. The rate of correctly recognized pictures with "abnormal" pattern was significantly greater than ones with "normal" pattern at the baseline and after the course, independently of imagining tool.Short courses on NFC may improve the classification of capillaroscopic images, even in medical staff with no previous experience in NFC. The recognition of capillaroscopic abnormalities seems to be easier than obtaining the confidence that evaluated picture has "normal pattern."

Torasemide is a loop diuretic with a molecule that is chemically similar to the sulphonamides described as eosinophilic granulomatosis with polyangiitis (EGPA) triggering drugs. The presented case is probably the first description of torasemide-induced vascular purpura in the course of EGPA. Any diagnosis of vasculitis should be followed by an identification of drugs that may aggravate the disease. A 74-year-old patient was admitted to the Department of Dermatology with purpura-like skin lesions on the upper, and lower extremities, including the buttocks. The lesions had appeared around the ankles 7 days before admission to the hospital and then started to progress upwards. The patient complained on lower limb paresthesia and pain. Other comorbidities included bronchial asthma, chronic sinusitis, ischemic heart disease, mild aortic stenosis, arterial hypertension, and degenerative thoracic spine disease. The woman had previously undergone nasal polypectomy twice. She was on a constant regimen of oral rosuvastatin 5 mg per day, spironolactone 50 mg per day, metoprolol 150 mg per day, inhaled formoterol 12 μg per day, and ipratropium bromide 20 μg per day. Ten days prior to admission, she was commenced on torasemide at a dose of 50 mg per day prescribed by a general practitioner due to high blood pressure. Doppler ultrasound upon admission to the hospital excluded deep venal thrombosis. The laboratory tests revealed leukocytosis (17.1 thousand per mm3) with eosinophilia (38.6%), elevated plasma level of C-reactive protein (119 mg per L) and D-dimers (2657 ng per mm3). Indirect immunofluorescent test identified a low titer (1:80) of antinuclear antibodies, but elevated (1:160) antineutrophil cytoplasmic antibodies (ANCA) in the patient's serum. Immunoblot found them to be aimed against myeloperoxidase (pANCA). A chest X-ray showed increased vascular lung markings, while high-resolution computed tomography revealed peribronchial glass-ground opacities. Microscopic evaluation of skin biopsy taken from the lower limbs showed perivascular infiltrates consisting of eosinophils and neutrophils, fragments of neutrophil nuclei, and fibrinous necrosis of small vessels. Electromyography performed in the lower limbs because of their weakness highlighted a loss of response from both sural nerves, as well as slowed conduction velocity of the right tibial nerve and in both common peroneal nerves. Both clinical characteristics of skin lesions and histopathology suggested a diagnosis of EGPA, which was later confirmed by a consultant in rheumatology. The patient was commenced on prednisone at a dose of 0.5 mg per kg of body weight daily and mycophenolate mofetil at a daily dose of 2 g. The antihypertensive therapy was modified, and torasemide was replaced by spironolactone 25 mg per day. The treatment resulted in a gradual regression of skin lesions within a few weeks. The first report of EGPA dates back to 1951. Its authors were Jacob Churg and Lotte Strauss. They described a case series of 13 patients who had severe asthma, fever, peripheral blood eosinophilia, and granulomatous vasculitis in microscopic evaluation of the skin. Three histopathological criteria were then proposed, and Churg-Strauss syndrome was recognized when eosinophilic infiltrates in the tissues, necrotizing inflammation of small and medium vessels, and the presence of extravascular granulomas were observed together in a patient (1). Only 17.4% of patients met all three histopathological criteria, and the diagnosis of the disease was frequently delayed despite of its overt clinical picture (2). In 1984, Lanham et al. proposed new diagnostic criteria which included the presence of bronchial asthma, eosinophilia in a peripheral blood smear1.5 thousand per mm3, and signs of vasculitis involving at least two organs other than the lungs (3). Lanham's criteria could also delay the recognition of the syndrome before involvement of internal organs, and the American College of Rheumatology therefore established classification criteria in 1990. These included the presence of bronchial asthma, migratory infiltrates in the lungs as assessed by radiographs, the presence of abnormalities in the paranasal sinuses (polyps, allergic rhinitis, chronic inflammation), mono- or polyneuropathy, peripheral blood eosinophilia (10% of leukocytes must be eosinophils), and extravascular eosinophilic infiltrates in a histopathological examination. Patients who met 4 out of 6 criteria were classified as having Churg-Strauss syndrome (4). The term EGPA was recommended to define patients with Churg-Strauss syndrome in 2012 (5). EGPA is a condition with low incidence (0.11-2.66 cases per million) and morbidity. It usually occurs in the fifth decade of life (6,7), although 65 cases reports of EGPA in people under 18 years of age could be found in the PubMed and Ovid Medline Database at the end of 2020 (8). The etiopathogenesis of the disease has not been fully explained so far. Approximately 40-60% of patients are positive to pANCA (9), but the role of these antibodies in the pathogenesis of EGPA remains unclear. They are suspected to mediate binding of the Fc receptor to MPO exposed on the surface of neutrophils. Subsequently, this may active neutrophils and contribute to a damage of the vascular endothelium (9,10). Glomerulonephritis, neuropathy, and vasculitis are more common in patients with EGPA who have detectable pANCA when compared with seronegative patients. There are at least several drugs which potentially may EGPA. The strongest association with the occurrence of EGPA was found with the use of leukotriene receptor antagonists (montelukast, zafirlukast, pranlukast), although they are commonly used in the treatment of asthma, which is paradoxically one of the complications of the syndrome (13). Although no relationship has been demonstrated so far between the occurrence of EGPA and the intake of drugs from the groups used by the presented patient, a clear time relationship can be observed between the commencement of torasemide and the onset of symptoms in our patient. To date, only three cases of leukocytoclastic vasculitis have been reported after the administration of torasemide. Both of them developed cutaneous symptoms of the disease within 24 hours of the administration of torasemide in patients with no previous history of drug hypersensitivity, but they disappeared quickly within 8-15 days after drug discontinuation (14,15). The chemical structure of torasemide is similar to the molecule of sulfonamides which were previously found to be a triggering factors for EGPA (12). This drug belongs to the group of loop diuretics classified as sulfonamide derivatives. A comparison of the chemical structure of torasemide and sulphanilamide molecules is presented in Figure 1. The clear time relationship between starting the administration of torasemide and the occurrence of purpura-like lesions suggests that it was an aggravating factor for EGPA in our patient. A coexistence of several disorders (asthma, nasal polyps, symptoms of peripheral neuropathy) in our patient suggest EGPA could have developed in her years before oral intake of torasemide. The sudden onset of skin symptoms shows torasemide to be possible inducing factor for the development of vascular purpura in patients suffering from EGPA but without previous cutaneous involvement.

COVID-19 pandemic raised many problems for patients with acne-prone skin: a limited access to health care services, the necessity of developing telemedical consultations also in dermatology, and the usage of face masks. The aim of the study was to investigate the influence of respiratory protective measures (type of masks, wearing time during the day) on declared skin condition in patients already diagnosed with acne or reporting acne for the first time. The study was conducted in Poland among 1420 responders using the original authors' questionnaire, of which 1274 responders were included in the final sample. Acne exacerbations were reported as being more frequent and more severe in women than in men. Changing cosmetic products, facial skin decontamination before or after applying masks, the number of days per week that a mask was worn were related to acne exacerbation. The type of mask had no significant impact on the occurrence of acne lesions. Respondents noted that masks contribute significantly to skin condition worsening by exacerbating existing and causing new acne lesions. This phenomenon was particularly observable in women, in whom, according to the research results, new lesions appeared much more frequently. Therefore, there is a need to develop new ways of limiting acne exacerbation during COVID-19 pandemic.

Metformin is the most widely used oral antidiabetic drug in the world. It is the first-line drug in type 2 diabetes, where its inhibiting effect on hepatic glucose production, increasing muscle and adipose tissue insulin sensitivity and reduction of glucose absorption in the gut are used. Many benefits to the skin condition have been reported from using metformin in dermatological diseases such as acne vulgaris, hidradenitis suppurativa, hirsutism as well as reducing the risk of certain skin malignancies and the occurrence of psoriasis. Some adverse effects of metformin have also been reported: rash, skin allergic reactions, drug reaction with eosinophilia and systemic symptoms (DRESS syndrome), bullous pemphigoid, leukocytoclastic vasculitis, nail discoloration with subungual hyperkeratosis. The article is a review of currently available literature on the influence of metformin on the course of various skin diseases and its adverse effects.

Gastric cancer is a malignant neoplasm of the gastrointestinal tract, with one of the standard treatment methods remaining gastrectomy. The authors conducted a systemic review of the Medline and Embase databases concerning the serum vitamin D level in post-gastrectomy gastric cancer patients, regarding all articles published until 22 May 2022 according to the PRISMA guidelines. 18 studies with a total number of 908 gastric cancer survivors were included in the analysis. The initial rate of vitamin D deficiency in gastric cancer patients undergoing gastrectomy appears to be similar to the global population deficiency. In post-gastrectomy survivors, the level of 25(OH)D may remain stable or decrease, while the level of 1, 25(OH)2D remains normal. Supplementation with vitamin D results in an improvement in its serum concentration and positively affects bone mineral density, which is gradually reduced in post-gastrectomy survivors. Combining vitamin D supplementation with calcium and bisphosphonates enables us to obtain better results than vitamin D and calcium only. The type of surgery influences the level of serum vitamin D and its metabolites, with total or partial gastrectomy and maintenance of the duodenal food passage remaining the most important factors. There is a strong need for randomized, controlled trials that would investigate this matter in the future.

Introduction Psoriasis is a chronic autoimmune inflammatory disease, the prevalence of which is 1–3% in the Polish population. Genome testing using single nucleotide polymorphisms revealed more than 50 regions associated with the risk of psoriasis, and most of these genes are associated with the immune system. Aim To assess the presence of PSEN1 subunits of the γ-secretase gene polymorphisms in patients with psoriasis and comparison of results with a healthy control group. Material and methods We used polymerase chain reaction – restriction fragment length polymorphism (PCR RFLP) method to assess polymorphisms. The starting material for analysis was peripheral blood obtained from the patient. Results PSEN1a-positivity was found in 2/52 (2.78%) of patients with psoriasis and 1/36 (3.85%) of healthy controls. PSEN1b positivity was seen in 3/52 (5.77%) of patients with psoriasis and 1/36 (3.85%) of control individuals. Only 3 patients with psoriasis but none of healthy volunteers had a presence of PSEN1c. Four patients were excluded from further statistical analysis. Conclusions We have not shown a relationship between PSEN1 polymorphism and the clinical occurrence of psoriasis but now we start the assessment of other subunits of the γ-secretase gene – PSENEN and NCSTN.

Bed bug infestation rate has gone through an unforeseen increase in the past decades worldwide. Their resurgence is a consequence of numerous factors, including growing population density, increased international travel and the spread of insecticide resistance. Bed bug infestation is often revealed by skin symptoms appearing after their bite in sensitive patients. Medical professionals encountering patients with bed bug bites have responsibility for recognizing the condition and for instructing patients about the necessary measures for eradication. Setting the correct diagnosis, however, is not unequivocal as several skin diseases with autoimmune, immune-mediated aetiology or other arthropod stings and bites may present with similar symptoms. In this review we provide a differential diagnostic guide and an atlas of clinical pictures assigned to the diagnoses. We highlight those dermatological findings where the possibility of bed bug bite arises and identify key elements that help in the differentiation so as to avoid unnecessary diagnostic tests and force early start of extermination.

Phototherapy is a recommended treatment regimen for different scleroderma spectrum disorders, but so far it has been included neither by European nor by worldwide experts committee in recommendations for the treatment of systemic sclerosis (SSc). The aim of the study was to revisit the utility of dermatological phototherapy in patients with SSc. PubMed using medical subject headings was searched to identify studies evaluating response to dermatological phototherapy in SSc patients. Both UVA1 (340-400 nm) and PUVA (psoralen plus UVA) treatments were found to reduce skin thickening and increase skin elasticity, therefore allowing for the improvement of joint tension mobility, especially in hands. At least several papers showed efficacy of phototherapy in patients who remained non-responsive to previous immunosuppressive therapies. The most probable mechanisms of action of phototherapy in SSc include inhibition of T-cells and prevention from dermal fibrosis. Although most data on the efficacy of phototherapy come from small experimental studies and case reports, phototherapy based on UVA of wavelength manifests relatively mild spectrum of side effects and this should be considered as a treatment option for SSc with dominant cutaneous involvement.