Person: BOZKURT, SÜHEYLA
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BOZKURT
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SÜHEYLA
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Publication Metadata only Isolated metastasis of breast cancer to the pituitary gland(MEDKNOW PUBLICATIONS & MEDIA PVT LTD, 2014) BOZKURT, SÜHEYLA; Eksi, Murat Sakir; Hasanov, Teyyub; Yilmaz, Baran; Akakin, Akin; Bayri, Yasar; Bozkurt, Suheyla Uyar; Kilic, TurkerPublication Metadata only Gamma knife radiosurgery for cranial neurocytomas(SPRINGER, 2011) BOZKURT, SÜHEYLA; Genc, Ali; Bozkurt, Suheyla Uyar; Karabagli, Pinar; Seker, Askin; Bayri, Yasar; Konya, Deniz; Kilic, TurkerGamma-knife surgery may be an effective alternative for treatment of central neurocytomas owing to its relative safety compared with conventional radiotherapy. In this paper we present results of gamma-knife treatment (GKS) of residual or recurrent neurocytomas. Twenty-two patients (14 female, 8 male) with recurrent or residual neurocytomas who underwent GKS were included. Diagnosis was based on histological findings. The proliferative potential of the tumors was examined by immunostaining with MIB-1 antibody, which is specific for detection of Ki-67 antigen. Tumor volume was determined by using post-gadolinium magnetic resonance images. After GKS treatment, MR imaging was scheduled at three-month intervals in the first year, at six months intervals in the second year, and yearly thereafter. Histopathological diagnoses were: 18 cases of central neurocytomas, two liponeurocytomas, one cerebral neurocytoma and one cerebellar neurocytoma. The MIB1 labeling index (LI) varied from 0 to 5.7%. Marked reduction in tumor volume was seen in 15 patients. In six patients, the tumor volume remained unchanged, and progression was observed for one patient. No complications because of GKS were noted. Shrinking effect on tumor volume increased with increasing duration of follow-up. On the other hand, high MIB labeling index did not seem to have an effect on tumor response to GKS treatment. Findings of this study suggest that GKS is an effective and safe treatment alternative for residual or recurrent neurocytomas. However, its effectiveness should be confirmed with larger studies.Publication Metadata only Prognostic factors in progressive high-grade glial tumors treated with systemic approach: A single center experience(SAGE PUBLICATIONS LTD, 2021) ATASOY, BESTE MELEK; Alan, Ozkan; Telli, Tugba Akin; Tuylu, Tugba Basoglu; Arikan, Rukiye; Demircan, Nazim Can; Ercelep, Ozlem; Kaya, Serap; Babacan, Nalan Akgul; Atasoy, Beste M.; Bozkurt, Suheyla; Bayri, Yasar; Gul, Dilek; Ekinci, Gazanfer; Ziyal, Ibrahim; Dane, Faysal; Yumuk, P. FuldenPurpose Malignant high-grade gliomas are the most common and aggressive type of primary brain tumor, and the prognosis is generally extremely poor. In this retrospective study, we analyzed the outcome of systemic treatment in recurrent high-grade glioma patients and the impact of prognostic factors on survivals. Methods Data from 114 patients with recurrent high-grade glioma who received systemic treatment and followed in our clinic between 2012 and 2018 were retrospectively analyzed. Eastern Cooperative Oncology Group (ECOG) performance status, age, gender, histology, type of surgical resection, side effects after systemic treatment (deep vein thrombosis, hypertension, proteinuria), IDH1 and alpha thalassemia/mental retardation syndrome X-linked (ATRX) mutation status were investigated as prognostic factors for progression-free survival and overall survival. Results At the time of diagnosis, the median age was 48 (17-77) and 68% of the patients were male. Most common pathologic subtype was glioblastoma multiforme (68%). Median follow-up duration was 9.1 months (1-68 months). Median progression-free survival and overall survival were 6.2 months and 8 months, respectively. In multivariate analysis, ECOG PS, deep venous thrombosis and the presence of ATRX and IDH1 mutation were found to be independent prognostic factors for progression-free survival (p < 0.05) and, ECOG PS, the presence of ATRX and IDH1 mutation for overall survival (p < 0.05). Conclusion Our study is real life data and the median progression-free survival and overall survival rates are similar to the literature. We have found ECOG PS, presence of ATRX and IDH1 mutation to be independent prognostic factors for both progression-free survival and overall survival.Publication Metadata only Cerebral Erdheim-Chester Disease Mimicking High-Grade Glial Tumor: A Case Report(KARGER, 2013) DAĞÇINAR, ADNAN; Eksi, Murat Sakir; Otluoglu, Gulden Demirci; Bozkurt, Suheyla Uyar; Sav, Aydin; Bayri, Yasar; Dagcinar, AdnanErdheim-Chester disease (ECD) is a non-Langerhans histiocytosis. It may present in every organ in the body, but isolated central nervous system involvement, especially a supratentorial intra-axial location, is extremely rare. We present a case of ECD of supratentorial intra-axial origin and discuss the clinical presentation, diagnosis and management strategies. (C) 2014 S. Karger AG, Basel