Publications by authors named "Kobak S"

Background: Sarcoidosis is a chronic granulomatous disease characterized by non-caseating granuloma. The conventional chest X-ray (CXR) has important role in the diagnosis, staging and follow-up of disease. Computed tomography (CT) is a second-line imaging method used to determine the extent, complications and differential diagnosis of sarcoidosis.

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Background: Sarcoidosis is a Th1-mediated chronic inflammatory disease characterized by non-caseating granulomas. Its pathogenesis is not yet clear, but the possible role of various proinflammatory cytokines is being discussed.

Aim: This study aims to determine serum cytokine (IL-6, IL-12, IL-17, and IL-23) levels in patients with sarcoidosis, and to determine a possible correlation with clinical and laboratory findings of the disease.

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SARS-CoV-2 infection is a pandemic that affects predominantly upper airways and lungs. It may lead to reactivation of known inflammatory rheumatic diseases and/or initiation of various granulomatous disorders. Necrotising sarcoid granulomatosis (NSG) is a rare condition that can be confused with malignancy, granulomatosis with polyangiitis, and sarcoidosis.

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VEXAS syndrome, is a hemato-inflammatory chronic disease characterized with predominantly rheumatic and hematologic systemic involvement. It was first described in 2020 by a group of researchers in the United States. VEXAS syndrome is a rare condition that primarily affects adult males and is caused by a mutation in the UBA1 gene located on the X chromosome.

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Background: Lung cancer is one of the most common and mortal cancers worldwide. According to pathological and clinical groups, treatments vary, and a tailored approach is considered. Adjuvant therapies, such as chemotherapy, radiation, and immune checkpoint inhibitors (ICI), are recommended by recent guidelines for patients with locally advanced cancer.

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Rheumatoid arthritis (RA) is a chronic disease characterized by joint and systemic involvement that develops with different pathogenetic mechanisms. Treatment of the disease is undertaken with disease-modifying anti-rheumatic drugs (DMARDs). The mechanisms of action of conventional DMARDs generally are based on the inhibition of T and B-cells in the immune system.

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Sarcoidosis is a chronic granulomatous disease with multisystemic involvement. Although it is accepted as a benign disease, it can sometimes cause life-threatening organ (heart, brain) involvement that determines the prognosis of the disease. There are conflicting opinions about the treatment of the disease.

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Introduction: Psoriatic arthritis (PsA) is a chronic inflammatory disease characterized by skin lesions and joint involvement. Salusin-α and salusin-β are two new bioactive molecules. It is reported that salusins may have role in regulation of the immune system and inflammation.

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Introduction: Sarcoidosis is a chronic granulomatous disease that develops with non-caseified granuloma formation. Galectin-3 is a multifunctional protein operating in biological processes such as fibrosis, angiogenesis, and immune activation.

Purpose: This study evaluates the levels of serum galectin-3 and TGF-beta in sarcoidosis patients to determine a possible correlation with clinical findings.

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Objective: To compare the clinical features, laboratory findings, and prognosis of Behçet's disease (BD) patients with and without Budd-Chiari syndrome (BCS).

Methods: This multicenter retrospective study investigated 61 (M/F: 41/20) patients with BD, having coexistent BCS, and 169 (M/F:100/69) BD patients as the control group without BCS from 22 different centers of Turkey diagnosed between 1990 and 2017.

Results: Of the total 61 BD patients with BCS, the onset of the first symptom and the median age of diagnosis were earlier in contrast to BD patients without BCS (p = 0.

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Psoriatic arthritis (PsA) is a chronic inflammatory disease characterized by skin and joint involvement. The disease may present with various joint pattern involvement, which sometimes may lead to joint destruction and deformity. Early diagnosis and treatment with disease-modifying anti-rheumatic drugs may prevent joint deformity.

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Sarcoidosis is a chronic granulomatous disease characterized by non-caseating granuloma formation. It usually involves the lung, but may also affects many organs and systems such as the musculoskeletal system, eye, skin, and heart. The data on the course of sarcoidosis during pregnancy are controversial.

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The new coronavirus infection (Covid-19) is a pandemic that has affected the whole world and progresses with high morbidity and mortality. It has a high contagion rate and a course capable of rapid lung involvement with severe acute respiratory distress syndrome (ARDS) and pulmonary insufficiency. A severe clinical picture develops as a result of a "perfect cytokine storm" which results from possible immunological mechanisms triggered by the viral infection.

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Introduction: Sarcoidosis is a chronic granulomatous disease that develops with non-caseified granuloma formation. Galectin-3 is a multifunctional protein operating in biological processes such as fibrosis, angiogenesis, and immune activation.

Purpose: This study evaluates the levels of serum galectin-3 and TGF-beta in sarcoidosis patients to determine a possible correlation with clinical findings.

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Sarcoidosis is a systemic, chronic, inflammatory disease characterized by noncaseating granuloma formations. The fact that the etiopathogenesis of the disease has not been elucidated yet brings it many theories and assumptions. Being a systemic disease and ability to involve many organs and systems, it attracts the attention of physicians from different branches.

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Objectives: This study aims to determine the frequency and characteristics of autoimmune diseases associated with sarcoidosis patients.

Patients And Methods: The study included 131 sarcoidosis patients (36 males, 95 females; mean age 46.1 years; range, 20 to 82 years).

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Background: Rheumatoid arthritis (RA) is a chronic inflammatory disease characterized by joint and systemic involvement. Tofacitinib is a JAK- inhibitor that is an effective agent in the treatment of active RA. Varicella zoster virus(VZV) reactivation is among the most important adverse effects of tofacitinib.

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Background: Psoriatic Arthritis (PsA) is a chronic inflammatory disease that may affect different joints. Sarcoidosis is a Th-1 cell-related chronic granulomatous disease characterized by non-caseating granuloma formation. The coexistence of both the diseases is a rare entity.

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Secukinumab is an IL-17A antagonist that has proven efficacy in the treatment of patients with ankylosing spondylitis (AS) and psoriatic arthritis. Side effects of the drug include infections, skin rashes, and allergic reactions. Raynaud's phenomenon (RP), a vasospastic syndrome and an important feature of different connective tissue diseases, is not an expected finding in AS patients.

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