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BOZKURTLAR, EMİNE

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BOZKURTLAR

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EMİNE

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Author: KOCAKAYA, DERYA × Subject: Sağlık Bilimleri ×

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    PublicationOpen Access
    Outcome of solid and cavitary pulmonary nodules in rheumatoid arthritis patients— case series
    (2022-01-01) AKSOY, AYSUN; BOZKURTLAR, EMİNE; KARAKURT, SAİT; ERYÜKSEL, SEMİHA EMEL; İNANÇ, GÜZİDE NEVSUN; KOCAKAYA, DERYA; AKSOY A., KOCAKAYA D., Yalçinkaya Y., BOZKURTLAR E., KARAKURT S., Eryüksel E., İnanç N.
    © TÜBİTAK.Background/aim: Rheumatoid pulmonary nodule can be detected in up to 32% of rheumatoid arthritis (RA) patients and approximately one-third of nodules may cavitate. We aimed to evaluate characteristics of patients with RA developing cavitary pulmonary nodular (CPN) lesions under disease-modifying antirheumatic drugs (DMARDs), follow-up of both cavitary and solid nodules, and their outcome with the treatment. Materials and methods: RA patients who presented with CPN lesions during follow-up were recruited retrospectively in this case series analysis. Total numbers and mean diameters of cavitary and solid nodules in each thorax computed tomography (CT) have been determined and followed up by two experienced pulmonary physicians. Moreover, changes in treatment after the development of the CPN lesions and characteristics of cavitary nodules were collected. Results: Eleven patients with CPN lesions were reported. At the time of CPN diagnosis, more patients were taking leflunomide than methotrexate (81% vs 19%). Half of the patients were receiving biologic therapy and only 18% were taking anti-TNF drugs. After a median of 24 (3–65) months of follow-up, the regression of CPN lesions was determined in 45% (5/11) of patients. Four of these 5 (80%) patients were switched to a treatment regimen without leflunomide and three of them to nonanti-TNF biologic treatment or targeted synthetic DMARDs (tocilizumab, tofacitinib, and rituximab). Conclusion: CPN lesions seen in RA patients are often pulmonary manifestations of the underlying disease; however, one must rule out malignancies or infections. If lesions progress under DMARDs, it is advised to discontinue synthetic DMARDs (LEF/MTX) and switch to another biological DMARD with different modes of action.
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    Pulmoner arter sarkomanın cerrahi sonuçları: Histoloji sağkalımı etkiler mi
    (2023-08-01) BOZKURTLAR, EMİNE; OLGUN YILDIZELİ, ŞEHNAZ; MUTLU, BÜLENT; KOCAKAYA, DERYA; BEKİROĞLU, GÜLNAZ NURAL; YILDIZELİ, BEDRETTİN; Başar V., Olgun Yıldızeli Ş., Bozkurtlar E., Ercelep ., Mutlu B., Kocakaya D., Bekiroğlu G. N., Taş S., Sunar H., Küçükoğlu M. S., et al.
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    PublicationOpen Access
    FDG PET/CT features of polysaccharide-based hemostatic agent chronic inflammatory changes can mimic metastatic lesions
    (2022-07-01) KOCAKAYA, DERYA; ASLAN, SEZER; BOZKURTLAR, EMİNE; Bozkurtlar E., Oksuzoglu K., Bostanci K., Aslan S., Kissa T. N., Kocakaya D., Ones T.
    Purpose To prevent hemorrhagic complications, hemostatic agents (HAs) have been widely used in recent years. The use of HAs can lead to false-positive results on postoperative imaging. There exists only 1 study in the literature evaluating these applications during surgical procedures. Therefore, we aimed to evaluate the postoperative imaging features of polysaccharide-based HAs in thoracic surgery patients who have had F-18-FDG PET/CT scans. Patients and Methods Two hundred nine consecutive patients who underwent thoracic surgery were enrolled in this study. A topical polysaccharide-based HA was applied to the surgical bed for all of the patients. The patients diagnosed with cancer were followed up with subsequent thoracic CT scans, and 42 of these patients were also imaged with F-18-FDG PET/CT, which then comprised the main study group. Due to suspicion of metastasis, 19/42 patients were reoperated or rebiopsied. The latest histopathological findings were accepted as criterion standard, and previous FDG PET/CT images were retrospectively reevaluated. Results Polysaccharide-based HAs that appear as amorphous basophilic material were identified in histopathological samples of 11/19 patients. Lymphocytes, plasma cells, and histiocytes, which formed foreign body reaction and/or foreign body granuloma, indicating the presence of chronic inflammation, were seen in all of the samples. F-18-FDG PET/CT showed increased FDG uptake in all of these lesions. Conclusions Despite the inconsistency of the literature, polysaccharide-based HAs can be demonstrated in human surgical specimens as amorphous basophilic materials even after a long time from the initial surgical procedure. These agents almost always cause chronic inflammatory changes. In addition, these agents may mimic \"false-positive\" findings on postoperative FDG PET/CT scans.