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    The clinical characteristics of sarcoid arthropathy based on a prospective cohort study
    (Sage Publications Ltd, 2016) Kobak, Şenol; Sever, Fidan; Usluer, Ozan; Göksel, Tuncay; Orman, Mehmet
    Background: Sarcoidosis is known as a Th1-mediated disease, which can mimic many primary rheumatologic diseases or sometimes co-exist with them. Clinical characteristics of sarcoid arthropathy are not well described and the studies reported in the literature so far are mostly based on data from referrals. The aim of this study was to evaluate the incidence and clinical characteristics of sarcoid arthropathy. Methods: All our patients were prospectively evaluated in our rheumatology outpatient center from 2011 to 2015. A total of 114 (32 male) patients with sarcoidosis who were admitted to our clinic were included in the study. Clinical, demographical, laboratory, radiological and histological data of these patients obtained during 4-year follow-up and treatment period were compiled and analyzed. Results: The mean patient age was 48.1 years (range, 20-82 years), and the mean disease duration was 40.5 months (range, 1-300 months). Sarcoid arthritis was observed in 71 (62.3%), and arthralgia in 106 (92.9%) patients. Out of the 71 patients with arthritis, 61 (85.9%) had involvement of ankle, 7 (9.8%) knee, 2 (2.8%) wrist, MCP and PIP joints, and 1 (1.4%) had shoulder periarthritis. Oligoarthritis (two to four joints) was the most common pattern followed by monoarthritis and polyarthritis. Arthritis and erytjhema nodosum and arthritis and female sex was found to be correlated (p = 0.03 and p = 0.001). Again, in patients with arthritis, even higher levels of CRP/ESR as well as ANA and RF positivity were observed (p = 0.03, p = 0.01, p = 0.01, and p = 0.02, respectively). A total of 11 patients had another rheumatic pathology concurrent with sarcoidosis. Conclusions: Inflammatory arthritis occurs in a majority of patients with sarcoidosis. Acute arthritis with bilateral ankle involvement is the most common pattern of sarcoid arthropathy. Sarcoidosis can mimic many primary rheumatic diseases or may coexist with them. Sarcoidosis should be considered not only as a mimicker but also as a Th1-mediated primary rheumatologic pathology.
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    Concomitant autoimmune diseases in patients with sarcoidosis
    (Bmj Publishing Group, 2017) Kobak, Şenol; Sever, Fidan; Semiz, Hüseyin; Orman, Mehmet Nurullah
    Sarcoidosis is a chronic granulomatous disease characterized by non-caseating granuloma formation. It can mimic many rheumatic diseases and/or may be coexist with them. There are limited data in the literature about the association of sarcoidosis with autoimmune diseases.
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    Elderly - onset sarcoidosis: a single center comparative study
    (Bmj Publishing Group, 2017) Kobak, Şenol; Sever, Fidan; Semiz, Hüseyin; Orman, Mehmet Akif
    Sarcoidosis is a chronic granulomatous inflamatory disease characterized with non-caseified granuloma formation. It is rarely affects patients older than 65 years old.
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    Hyponatremia as presentation in a patient with neurosarcoidosis
    (Elsevier Doyma Sl, 2017) Akyıldız, Ekin; Yalçın, Murat; Sever, Fidan; Semiz, Hüseyin; Kobak, Şenol
    Sarcoidosis is an inflammatory disease with unknown cause characterized by non-caseating granuloma formations. It may present with bilateral hilar lymphadenopathy, skin lesions, eye and musculoskeletal system involvement. Hypercalcemia and hypercalciuria are important electrolyte imbalances resulting from sarcoidosis and sometimes they may cause nephrolitiasis and kidney failure. Hyponatremia, although being quite rare, has been found in some patients with sarcoidosis. Herein, we have reported a patient with neurosarcoidosis who presented with hyponatremia and responded well to corticosteroid treatment. (C) 2016 Elsevier Espana, S.L.U. and Sociedad Espanola de Reumatologia y Colegio Mexicano de Reumatologia. All rights reserved.
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    The role of chest X-ray in the early diagnosis and staging of sarcoidosis: Is it really should be done?
    (Elsevier Espana Slu, 2023) Koc, Aysu Sinem; Oncel, Guray; Ince, Ozlem; Sever, Fidan; Kobak, Senol
    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.Objectives: To determine the role of CXR in the early diagnosis and staging of sarcoidosis and to compare with CT imaging.Methods: One hundred and nine sarcoidosis patients followed at a single center were included in the study. Demographic, radiological, and clinical data of 81 patients were obtained from a total of 109 patients, and the record data of these 81 patients were evaluated. Patients who could not be reached for all tests were excluded from the study. CXR and CT imaging taken at diagnosis were evaluated retrospectively independently from two radiologists and one rheumatologist.Results: Among 109 patients, eighty-one patients CXR and CT imaging taken at the same center has been reached. Among 81 sarcoidosis patients 23 (28.4%) were male, 58 (71.6%) were female. The mean patients age was 46.4 years and the mean disease duration was 3.8 years. CXR is regarded as normal at diagnosis in 30 patients (37%), while all of these patients had findings consistent with sarcoidosis on CT imaging. CT imaging are more superior than CXR in the early diagnosis and staging of sarcoidosis (p = 0.001). Also CT imaging is more superior for detection of disease extent and complications. Conclusions: In this study, we observed that CT imaging outperforms CXR in terms of early detection and staging of sarcoidosis. The use of CT imaging is important for early diagnosis and staging of sarcoidosis. The low performance of CXR is a condition that requires the discussion of this method. Multicenter prospective study is needed in this regard.(c) 2023 Elsevier Espan similar to a, S.L.U. and Sociedad Espan similar to ola de Reumatologi ' a y Colegio Mexicano de Reumatologi ' a. All rights reserved.