Evaluation of the Factors Influencing Mortality in Patients with Stevens-Johnson Syndrome and Toxic Epidermal Necrolysis: A Multicenter Study of 166 Patients.

Introduction: Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN) are life-threatening acute mucocutaneous disorders usually triggered by drugs. In this study, we aimed to evaluate the factors affecting mortality in patients with SJS-TEN.

Methods: Our study is a retrospective cohort study, analyzing data collected from a total of 12 tertiary care centers between April 2012 and April 2022.

Hypercalcemia associated with interaction between all trans retinoic acid and fluconazole in an acute promyelocytic leukemia and acquired hypoparathyroidism case.

Introduction: Acute promyelocytic leukemia (APL) is the most malignant form of acute myeloid leukemia (AML) with short survival without treatment. All trans retinoic acid (ATRA) is a vitamin A metabolite and plays an important role in the treatment of APL. Hypercalcemia is a rare side effect of ATRA.

Incidence and Prognosis of COVID-19 in Patients with Psoriasis: A Multicenter Prospective Study from the Eastern Black Sea Region of Turkey.

COVID-19 infection can have a poor prognosis, especially in patients with chronic diseases and those receiving immunosuppressive or immunomodulating therapies. This study aimed to investigate the severity of COVID-19 infection in patients with psoriasis and compare the infection severity for systemic treatments and comorbidities. We conducted a study in the dermatology clinics of five different centers in the Eastern Black Sea region of Turkey.

Frequency of skin cancer and evaluation of risk factors: A hospital-based study from Turkey.

Objectives: Skin cancers are the most common type of cancer with a significantly increasing incidence. The purpose of the study was to uncover the one-year frequency of melanoma and non-melanoma skin cancers (NMSC) and to determine the risk factors in the development of skin cancer.

Methods: The study included 7396 people from all age groups admitted to the dermatology clinic between October 2020 and 2021.

Retrospective analysis of methylprednisolone treatment alone and in combination with methotrexate in patients with extensive alopecia areata.

Alopecia areata (AA) is a chronic autoimmune disorder that primarily affects the hair follicle. Systemic corticosteroids and methotrexate (MTX) are among the therapeutic options in severe cases. This study aimed to show whether the combination therapy of methylprednisolone (MP) and MTX was superior to MP alone in the management of extensive AA.

Cutaneous reactions after COVID-19 vaccination in Turkey: A multicenter study.

Objectives: In this study covering all of Turkey, we aimed to define cutaneous and systemic adverse reactions in our patient population after COVID-19 vaccination with the Sinovac/CoronaVac (inactivated SARS-CoV-2) and Pfizer/BioNTech (BNT162b2) vaccines.

Methods: This prospective, cross-sectional study included individuals presenting to the dermatology or emergency outpatient clinics of a total of 19 centers after having been vaccinated with the COVID-19 vaccines. Systemic, local injection site, and non-local cutaneous reactions after vaccination were identified, and their rates were determined.

Risk of hepatitis B reactivation in patients receiving anti-tumor necrosis factor-α therapy.

Objective: The purpose of this study was to determine hepatitis B virus (HBV) screening rates in patients receiving anti-tumor necrosis factor (TNF)-α therapy and the frequency of HBV reactivation in patients with resolved hepatitis B virus infection (hepatitis B surface antigen [HBsAg] negative, hepatitis B core antibody [Anti-HBc] positive).

Patients And Methods: Data from 1834 patients who underwent anti-TNF-α therapy in the Rheumatology, Gastroenterology and Dermatology Departments of our hospital between 2010 and 2020 were retrospectively analyzed. Within 6 months before the initial anti-TNF-α therapy, performing a HBsAg and/or anti-HBc test is defined as HBV screening.

Impairment of myocardial functions and arterial stiffness in patients with lichen planus.

Background: Lichen planus is a chronic inflammatory mucocutaneous disease. Recent studies have suggested that it is associated with an increased risk of cardiovascular comorbidities.

Objective: The purpose of this study was to assess and compare arterial stiffness and cardiovascular hemodynamics in patients with lichen planus and a healthy control group.

Clinical and Sociodemographic Characteristics of Ingrown Nails in Children.

Background: Ingrown nail is a condition frequently seen in children and adolescents, the pain from which can affect their daily living activities and school performances. The purpose of this study was to determine the clinical and sociodemographic characteristics of ingrown nails in children.

Methods: The clinical and sociodemographic characteristics of patients aged 0 to 18 years presenting with ingrown nail were evaluated retrospectively from clinic records.

High levels of endothelial progenitor cells and circulating endothelial cells in patients with Behçet's disease and their relationship to disease activity.

Background: Behçet's disease is a multisystemic vasculitis, associated with vascular endothelial dysfunction. Currently, the prognosis is unpredictable, because there is still no valid laboratory marker indicating the disease activity in Behçet's disease. Endothelial progenitor cells and circulating endothelial cells are newly introduced hematological markers which are presumed to take part in the pathogenesis of vasculitis.

Clinical and Sociodemographic Characteristics of Patients with Ingrown Nails.

Background: Ingrown nail is a common health problem that significantly affects daily life due to its painful nature. The purpose of this study was to reveal the clinical and sociodemographic characteristics of ingrown nails.

Methods: The clinical and sociodemographic characteristics of patients older than 18 years presenting with ingrown nail were investigated.

Clinical and Demographic Characteristics of Pemphigus Vulgaris Patients.

Pemphigus is an autoimmune disease characterized by intraepithelial bullae and erosions in the skin and mucosa. We aimed to evaluate the clinical and demographic characteristics of pemphigus vulgaris (PV) patients who presented to our Department. Patients who presented to our Department between May 2013 and May 2014, were examined dermatologically and diagnosed with PV based on clinical, histological and direct immunofluorescent findings.

HLA-E*0101/0103X is Associated with Susceptibility to Pemphigus Vulgaris: A Case-control Study.

Pemphigus vulgaris (PV) is a life-threatening, autoimmune blistering disease of the skin and mucous membranes. The relationship between PV and human leukocyte antigen (HLA) has been studied in several reports. Previous reports have demonstrated that HLA-E polymorphisms may have a role in the susceptibility to various autoimmune diseases.

The effect of personal, familial, and environmental characteristics on acne vulgaris: a prospective, multicenter, case controlled study.

Background: There are only a few studies about epidemiological features of acne vulgaris in the literature. The aim of this study was to analyze demographic, clinical, familial and environmental characteristics of acne, the role of diet and aggravating factors and association of these factors with acne severity.

Methods: Patients with a diagnosis of mild-moderate to severe acne were consecutively interviewed at the participating centers during the study period.

Prevalence of Metabolic Syndrome in Patients with Mucosal Lichen Planus: A Case-Control Study.

Background: Previous reports have demonstrated an association between chronic inflammation with metabolic syndrome (MS) and cardiovascular risk factors.

Aim: As lichen planus (LP) is a chronic inflammatory disease, the purpose of this study was to assess the prevalence of MS, dyslipidemia, insulin resistance and obesity in LP patients.

Methods: A total of 79 patients with LP and 79 controls were examined in this case-control study.

Vancomycin-resistant enterococci colonization in patients with hematological malignancies: screening and its cost-effectiveness.

Background And Objective: We evaluated the rates of vancomycin-resistant enterococci (VRE) colonization and VRE-related bacteremia in patients with hematological malignancies in terms of routine screening culture and its cost-effectiveness.

Materials And Methods: All patients of the hematology department who were older than 14 years of age and who developed at least one febrile neutropenia episode during chemotherapy for hematological cancers between November 2010 and November 2012 were evaluated retrospectively.

Results: We retrospectively analyzed 282 febrile episodes in 126 neutropenic patients during a two-year study period.

Novel antifungal drugs against fungal pathogens: do they provide promising results for treatment?

The febrile neutropenia episodes of hematological patients and their outcomes were evaluated with respect to fungal pathogens and antifungal therapy in this retrospective study. All patients, who were older than 14 years of age and developed at least one neutropenic episode after chemotherapy due to hematological cancer from November 2010 to November 2012, were included into the study. We retrospectively collected demographic, treatment, and survival data of 126 patients with neutropenia and their 282 febrile episodes.

Which Multidrug-Resitant Bacteria are Emerging in Patients with Hematological Malignancies?: One-Year Report.

The aim of this retrospective, observational study was to evaluate the outcomes of bacteremia attacks during neutropenic episodes caused by chemotherapy in patients with hematological cancers by assessing mortality, involved pathogens, antimicrobial therapy and treatment responses. Patients who were older than 14 years of age and developed at least one neutropenic episode after chemotherapy to treat hematological cancer between November 2011 and November 2012 were included in the study. We retrospectively collected demographic, treatment, and survival data for 68 patients with 129 neutropenic episodes.

Bloodstream infections in patients with hematological malignancies: which is more fatal - cancer or resistant pathogens?

Background: The primary objective of this study was to report the incidence of bloodstream infections (BSIs) and clinically or microbiologically proven bacterial or fungal BSIs during neutropenic episodes in patients with hematological malignancies.

Methods: In this retrospective observational study, all patients in the hematology department older than 14 years who developed febrile neutropenia during chemotherapy for hematological cancers were evaluated. Patients were included if they had experienced at least one neutropenic episode between November 2010 and November 2012 due to chemotherapy in the hematology ward.

Vancomycin-resistant enterococci colonization and bacteremia in patients with hematological malignancies.

Introduction: We retrospectively evaluated the rates of vancomycin-resistant enterococci (VRE) colonization and VRE-related infections in patients with hematological malignancies.

Methodology: All patients in the hematology department of the Ministry of Health Okmeydanı Training and Research Hospital, an 800-bed tertiary hospital in İstanbul, Turkey, older than 14 years of age and who developed febrile neutropenia during chemotherapy for hematological cancers between November 2010 and November 2012 were evaluated in this retrospective observational study.

Results: A total of 282 neutropenic episodes in 126 patients who met the inclusion criteria were analyzed.

Primary or secondary antifungal prophylaxis in patients with hematological maligancies: efficacy and damage.

Background: Patients with hematological malignancies often develop febrile neutropenia (FN) as a complication of cancer chemotherapy. Primary or secondary antifungal prophylaxis is recommended for patients with hematological malignancies to reduce the risk of invasive fungal infection (IFI). This study retrospectively evaluated the efficacy and potential harm of administration of primary and secondary antifungal prophylaxis to patients with hematological malignancies at one hospital.

Spitz nevus arising upon a congenital glomuvenous malformation.

There are several reports of the collision of vascular and pigmentary anomalies (e.g., phakomatosis pigmentovascularis) and the association between congenital melanocytic nevi and infantile hemangiomas.