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BACKGROUND: In the last decades diagnosis of dermatological diseases has achieved a significant progress with the aid of imaging technologies. In pediatric population dermatologic procedural investigations require special considerations, skill sets, and knowledge. Avoiding unnecessary invasive procedures in children is highly recommended to reduce psychological disturbance and cosmetical scars. Line-field confocal optical coherence tomography (LC-OCT) is an innovative, high-resolution, non-invasive imaging technique, that is proving to be valuable in the diagnosis of different skin conditions. In this study, we aimed to analyze the most common indications for LC-OCT in pediatric age group, discussing its potential role in clinical setting. METHODS: A retrospective review of the medical charts of patients ≤18 years of age, who were performed clinical, dermoscopy and LC-OCT for equivocal skin lesions, was conducted. Diagnostic confidence level was calculated for clinical/dermoscopic diagnosis alone and for combined clinical/dermoscopy and LC-OCT findings, based on a three-point scale ranging from 0% to 100%. RESULTS: Seventy-four skin lesions in 73 patients [(39 (53.4%) females and 34 (46.6%) males, mean age 13.2 (range 5-18 years) years] were investigated with LC-OCT. Diagnosis was established with histopathology in 23/74 (31.1%) cases, while 51/74 (68.9%) skin lesions were monitored over time or treated with topical/physical therapy. High diagnostic confidence increased by 21.6% after LC-OCT assessment, meanwhile reducing low and average score. CONCLUSIONS: LC-OCT may add practical clues for the identification of common skin conditions in pediatric population, improving diagnostic confidence and consequent tailored approach.

BACKGROUND: Since the COVID-19 pandemic started, great interest has been given to this disease, especially to its possible clinical presentations. Besides classical respiratory symptoms, dermatological manifestations occur quite often among infected and non-infected patients, particularly in children. A prominent IFN-I response, that is generally higher in children compared to adults, may not only cause chilblain lesions, but it could also prevent infection and viral replication, thus justifying the negative swab results, as well as the absence of relevant systemic symptoms in positive cases. Indeed, reports have emerged describing chilblain-like acral lesions in children and adolescents with either proven or suspected infection. METHODS: Patients aged from 1 to 18 years old were enrolled in this study from 23 Italian dermatological units and were observed for an overall period of 6 months. Clinical pictures were collected along with data on the location and duration of skin lesions, their association with concomitant local and systemic symptoms, presence of nail and/or mucosal involvement, as well as histological, laboratory and imaging findings. RESULTS: One hundred thirty-seven patients were included, of whom 56.9% were females. Mean age was 11.97±3.66 years. The most commonly affected sites were the feet (77 patients, 56.2%). Lesions (48.5%) featured cyanosis, chilblains, blisters, ecchymosis, bullae, erythema, edema, and papules. Concomitant skin manifestations included maculo-papular rashes (30%), unspecified rashes (25%), vesicular rashes (20%), erythema multiforme (10%), urticaria (10%) and erythema with desquamation (5%). Forty-one patients (29.9%) reported pruritus as the main symptom associated with chilblains, and 56 out of 137 patients also reported systemic symptoms such as respiratory symptoms (33.9%), fever (28%), intestinal (27%), headache (5.5%), asthenia (3.5%), and joint pain (2%). Associated comorbid conditions were observed in 9 patients presen

INTRODUCTION: Line-field confocal optical coherence tomography (LC-OCT) is a recently introduced, non-invasive skin imaging technique combining the technical advantages of reflectance confocal microscopy and conventional OCT in terms of isotropic resolution and in-tissue penetration. Several studies have been published so far about the use of LC-OCT in melanocytic and non-melanocytic skin tumors. The aim of this review was to summarize the currently available data on the use of LC-OCT for benign and malignant melanocytic and non-melanocytic skin tumors. EVIDENCE ACQUISITION: We searched scientific databases for any literature published up to 30th April 2023 and concerning the use of LC-OCT for melanocytic and non-melanocytic skin tumors. Identified papers were evaluated, and relevant information was extracted. EVIDENCE SYNTHESIS: A total of 29 studies were found including original articles, short reports, and letters to the Editor: 6 applied to melanocytic skin tumors, 22 to non-melanocytic skin tumors and 1 to both. The use of LC-OCT increased the diagnostic accuracy for melanocytic and non-melanocytic skin lesions. The highest diagnostic performance was found for basal cell carcinoma (BCC), but significant improvements in the diagnostic accuracy were also detected for the differentiation of actinic keratosis (AK) from squamous cell carcinoma (SCC) and of melanoma from nevi. The LC-OCT features of other skin tumors were also described and successfully correlated with histopathology. CONCLUSIONS: LC-OCT proved to increase the diagnostic accuracy for melanocytic and non-melanocytic skin lesions, thanks to the combination of high resolution/penetration, 3D reconstructions, and integrated dermoscopy. Although BCC seems the most suitable tumors for LC-OCT examination, the device is extremely performant for the differentiation of AK from SCC and the discrimination of melanoma from nevi as well. Additional studies on diagnostic performance and new investigations about the

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Atopic dermatitis (AD) is a common chronic-relapsing inflammatory skin disease, burdened by various comorbidities. AD most commonly occurs in children but may persist or present in adulthood becoming a lifelong condition. Therefore, AD requires an effective long-term treatment improving disease signs and symptoms but also of patients' quality of life (QoL). However continuous long-term use of most traditional AD immunosuppressive treatments is not recommended for safety reasons or insufficient efficacy data. Despite the available guidelines, there is still need for knowledge of AD long-term treatment, taking into account new disease measures and recent treatment options. Five Italian scientific societies implemented a joint consensus procedure to define the most appropriate clinical practice for the long-term management of adult moderate-severe AD. Through a modified Delphi procedure, consensus was reached by overall 51 Italian dermatologists and allergists (The Italian AD Study Group) experienced in the management of adult AD on 14 statements covering three AD areas of interest, namely diagnosis, definition of disease severity and clinimetrics, and a treat-to-target approach. This paper reports and discusses the agreed statements, which define disease and patient impact measures, therapeutic approach, and a treatment decision algorithm to support clinicians in the long-term management of adult patients with moderate-to-severe AD in their daily clinical practice.

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BaCKGroUNd: Non-melanoma skin cancers (NmSC) are the most common epithelial malignancies in organ transplantation recipients (otrs). in italy, incidence rates of post-transplantation NmSC are approximately 5% after 5 years and 10% after 10 years since organ transplantation. the objective was to describe risk factors associated with NmSC in a cohort of renal and liver transplant recipients, in a single-center longitudinal study. metHodS: renal and liver transplant patients, who underwent transplantation between June 1985 and december 2015, were visited for the first time or followed-up in a dedicated outpatient clinic every six months until July 2016. reSUltS: We included 356 renal and 76 liver transplant patients. 108 otrs (25.6%) presented 299 NmSC. 74 patients developed actinic keratosis (17.1%), 36 patients squamous cell carcinoma (8.5%), and 52 patients basal cell carcinoma (12.3%). time from transplantation and kidney transplant were the main risk factors for NmSC. Higher incidences of all NmSC were observed in patients >60 years, males and smokers, while decreased incidences were detected in individuals with higher educational levels. Multiple logistic regression models confirmed that male gender (rr 3.3, P=0.001), cigarette smoking (rr 2.0, P=0.026), light eye color (rr 2.9, P=0.001) and family history of cancer (rr 1.8, P=0.042) were independently associated with NmSC. CoNClUSioNS: dermatological follow-up is important in otrs, due to the higher risk of tumors and mainly NmSC. Clinical and environmental factors, including cigarette smoking, are useful in characterizing otr with higher risk of NmSC.

BACKGROUND: Photodynamic therapy (PDT) is recommended for both lesion and field therapy of actinic keratoses (AKs). The 5-amino-laevulinic acid (5-ALA) patch PDT is indicated for the treatment of isolated mild AKs (≤1.8 cm) on the face and bald scalp. It was demonstrated to be effective and safe in clinical trials with a good tolerability profile. METHODS: In this retrospective multicenter real-life study, 33 patients with a total of 99 AKs of the scalp, face, ears, and/or hands and 2 actinic cheilitis were treated with one treatment session of 5-ALA patch PDT with a red light source (total dose of 37 J/cm2). RESULTS: Overall, 12 weeks after treatment, 68/99 (69%) lesions were completely cleared. Complete response was obtained in 82% of AKs on the ears, 78% on the face, 57% on the hands, and 56% on the scalp and in the two actinic cheilitis. The treatment was very effective on grade I AKs, cleared in 87% of the cases and less efficient on grade II–III lesions, cleared in 47% of the cases. 5-ALA patch PDT was well tolerated with a good to excellent cosmetic outcome in 97% of the patients and with 94% of the patients being satisfied or very satisfied with the treatment. CONCLUSIONS: Our results confirm that 5-ALA patch PDT is a good option for AK treatment in clinical practice, it is easy to use, effective and well tolerated even in difficult-to-treat-areas. Moreover, it has an excellent cosmetic outcome.

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Background: Moderate-to-severe atopic dermatitis (AD) generates a considerable consumption of healthcare resources and significant economic consequences for the patients and their families, healthcare systems (NHS) and society. Several studies on the burden of AD in paediatric patients are available in literature, while data in adults is scant. The purpose of this study was to estimate the direct and indirect costs of moderate to severe AD in adult patients in Italy. Methods: Patients with Eczema Area and Severity Index (EASI) Score >20 were included in a multicentre, observational study conducted in six outpatient dermatology clinics throughout the national territory. Data were retrospectively gathered through a case report form investigating healthcare resources consumption, out-of-pocket expenses and patients' and caregivers' productivity loss. Descriptive statistics was used to illustrate data. Univariate generalized linear model with gamma distribution and identity function link was used to describe association between costs and disease severity. Results: A total of 50 patients with a diagnosis of moderate-to-severe DA (EASI Score ≥20), equal to 89% of the total, were included in the analysis. The total annual burden of the disease, direct and indirect costs, amounted to € 4284 per patient; 19.3% accounted for direct medical costs, 19.9% for direct non-medical and 60.8% for indirect costs due to productivity loss. Conclusions: Moderate-to-severe AD in adults represents an important cost for the society imposing a high financial burden for the NHS, but even more for patients and caregivers. Results from this study may support identification of potential factors impacting on the choice of new therapeutic options to improve the clinical and economic management of this devastating disease.

Psoriasis is a common, chronic inflammatory disease with a multifactorial pathogenesis. Mean age at presentation of psoriasis is 28 years in women, which is almost the height of fertility age. Since women of childbearing potential represent a significant proportion of psoriatic patients, the impact of psoriasis and its treatment on fertility, pregnancy, and breastfeeding should be highlighted for a proper management. Therefore, when approaching to a psoriatic woman of childbearing age, Healthcare Providers should be adequately informed and ready to provide the patients with answers to the most frequently asked questions. The Italian Society of Dermatology and Venereology (SID eMaST) has fostered a Task Force named "Psoriasis in Women of Childbearing Age" which is composed by a group of Italian female dermatologists with a high expertise in psoriasis treatment. The aims of the Task Force are to increase awareness of the disease and its treatment in patients of childbearing age among both dermatologists and women affected by psoriasis and to encourage counselling on family planning. With the aim of providing a real support for the proper management of the delicate journey to motherhood, the Italian Task Force has published two different informative booklets addressed to patients and dermatologists which focus on the main issues regarding psoriasis in women of childbearing age.

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The melanoma care landscape is changing fast in the last years. As a result of new insights in melanoma biology, prognosis and therapeutic options, both the American Joint Committee on Cancer (AJCC) and the World Health OrgaÂnization (WHO) Classification of Skin Tumors underwent substantial changes in 2018. Consequently, all the leading guidelines on melanoma management have been updated. Most of the recommendations derive from systematic reÂviews, while others are based on expert opinion, due to the lack of high-level evidence in some aspects of melanoma management. We provide a revision of all the available guidelines that have been updated to the 8th version of the AJCC classification system. Comparison is not provided for topics on which there is agreement on the standard of care.

BACKGROUND: Hidradenitis suppurativa (HS) is a chronic, disabling, inflammatory skin disorder that primarily affects the hair follicle localized at the apocrine-gland-bearing areas of the body, including axillary, inguinal, buttocks, and anogenital areas, and it may be associated with a wide array of comorbid conditions. This study aimed to described comorbid conditions affecting HS patients and to detect any correlation with disease severity. METHODS: Analyzing clinic database, we included all charts of patients visited at the HS outpatient clinic of three University Dermatologic Departments in order to describe demographic data, anthropometric measures, disease features, personal habits, clinical history, and presence of comorbidities. RESULTS: Two hundred thirty-four patients, mostly females (62%), were enrolled in this study. Based on Hurley staging classification 41% of patients were classified as Hurley Stage I, 43.0% as Hurley II, and 16% Hurley III, with a mean mSartorius Score value of 24.7 (SD: ±19.39) and a mean AISI score value of 12.5 (SD: ±11.93). The most frequently observed comorbidities were: Obesity (26.1%), polycystic ovary syndrome (PCOS) (13.8% of the overall study population and 22.3% of females), hypertension (11.9%), dyslipidemia (9.9%), type II diabetes (9.5%), thyroid disorders (9.1%), nervous system disorders (7.1%), acne (6.7%), metabolic syndrome (4.4%), and Crohn's disease (3.6%). Obesity represented a key-comorbid condition increasing the likelihood of having more severe HS and PCOS (odds ratio 3.35 and 3.74, respectively). CONCLUSIONS: HS is associated with a variety of comorbid conditions that should be considered to perform targeted routine screening and to improve HS management.