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BÜYÜKPINARBAŞILI, NUR

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BÜYÜKPINARBAŞILI

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Now showing 1 - 7 of 7
  • Publication
    Incidental detection of prostate-specific antigen-negative metastatic prostate cancer initially presented with solitary pulmonary nodule on fluorodeoxyglucose positron emission tomography/computed tomography
    (2015-01-01) ERDOĞAN, EZGİ BAŞAK; Buyukpinarbasili, NUR; ZİYADE, SEDAT; AKMAN, Tolga; TÜRK, HACI MEHMET; AYDIN, MEHMET; ERDOĞAN, EZGİ BAŞAK; BÜYÜKPINARBAŞILI, NUR; ZİYADE, SEDAT; TÜRK, HACI MEHMET; AYDIN, MEHMET
    A 71-year-old male patient with solitary pulmonary nodule underwent fluorodeoxyglucose positron emission tomography/computed tomography (FDG PET/CT) showing slightly increased FDG uptake in this nodule. In addition, PET/CT detected hypermetabolic sclerotic bone lesions in the right second rib and 7(th) thoracic vertebrae, which were interpreted as possible metastases, and mildly increased FDG uptake in the prostate gland highly suspicious of malignancy. The patient's prostate-specific antigen (PSA) level was within normal range (3.8 ng/dL). The histopathological examination of the lung nodule and right second rib lesion proved metastases from prostate cancer, then the prostate biopsy-confirmed prostate adenocarcinoma. The unique feature of this case is to emphasize the importance of performing PET/CT for solitary pulmonary nodule in detecting PSA-negative metastatic prostate cancer. This case indicated that it should be kept in mind that, even if the PSA is negative, a lung metastasis of prostate cancer may be an underlying cause in patients evaluated for solitary pulmonary nodule by FDG PET/CT.
  • Publication
    A Six Sigma Trial For Reduction of Error Rates in Pathology Laboratory
    (2016-09-01) TURNA, Seval; Tosuner, ZEYNEP; Gucin, ZÜHAL; Kiran, TUĞÇE; Buyukpinarbasili, NUR; TASKIRAN, Olcay; Arici, DİLEK SEMA; TOSUNER, ZEYNEP; GÜCİN, ZÜHAL; KIRAN, TUĞÇE; BÜYÜKPINARBAŞILI, NUR; TURNA, SEVAL; ARICI, DILEK SEMA
    Objective: The aim of this study is to determine differences of levels of empathy among undergraduates in each year of their four-year programs of physiotherapy. Methods: During the 2014-2015 academic school year, 381 physiotherapy students were enlisted from two universities in Istanbul, one a foundation and the other a government university. The Turkish version of the Jefferson Scale of Physician Empathy was administered. Students were asked to indicate interest in particular physiotherapy specialties as well as their region of origin in Turkey. The Kruskal-Wallis analysis was used to determine differences among the four study years, and also to measure relationships between specialty interest, home-region, and empathy scores of the students. Empathy scores were also compared according to gender. Results: The difference of empathy scores between the students of the two universities was borderline significant (p=0.057). Empathy scores in both universities increased to a significant degree after school entrance and decreased in the final year. Levels of empathy did not change according to gender, specialty interest, or home-region (p=0.722, 0.524, and 0.309, respectively). Conclusions: This study points to the need for physiotherapy curricula that would enhance empathy and give students practice in exhibiting this valuable attribute. Additional studies are needed that would include larger study populations and track the same students year by year as to how and why their empathy levels change during their training.
  • Publication
    Leiomyoma of the esophagus: open versus thoracoscopic enucleation
    (2014-01-01) Ziyade, SEDAT; Buyukpinarbasili, NUR; YEDIYILDIZ, Senel; Kadioglu, HÜSEYİN; Soysal, Omer; ZİYADE, SEDAT; KADIOĞLU, HÜSEYİN; BÜYÜKPINARBAŞILI, NUR; SOYSAL, ÖMER
    Background/aim: To describe a novel, easy, and secure thoracoscopic surgical approach for esophageal leiomyomas.
  • Publication
    Estrogen Receptor Positive/Progesterone Receptor Negative Breast Carcinomas: A Subgroup Deserves Particular Interest
    (2015-08-01) Gucin, ZÜHAL; GECER, Melin Ozgun; Buyukpinarbasili, NUR; SONMEZ, Cavide; Ersoy, YELİZ EMİNE; MUSLUMANOGLU, Mahmut; GÜCİN, ZÜHAL; BÜYÜKPINARBAŞILI, NUR; ERSOY, YELIZ EMINE
    Objective: Breast carcinomas positive for the estrogen receptor (ER+) but negative for the progesterone receptor (PR−) have unfavorable prognostic features and are resistant to tamoxifen therapy. The goal of this study was to highlight the significance of PR− breast carcinomas. Methods: Therefore, 146 breast carcinomas comprising 87 ER+/PR+ and 59 ER+/PR− carcinomas were examined. These two groups were compared in terms of age; tumor type; tumor size; histologic grade; presence of an in situ component; lymphovascular and perineural invasion; and ER, PR, c-Erb B2, Ki-67, and epidermal growth factor receptor (EGFR) status. Results: While the number of metastatic lymph node and related pN2+pN3 tumors were found to be significantly higher in the ER+/ PR− group, the differences with respect to the tumor size, metastatic lymph node size, and frequency of lymphovascular invasion were nearly significant. Conclusion: ER+/PR− tumors have an unfavorable prognosis and show a clinical behavior closer to triple negative ones, although classified as luminal tumors. Revealing the mechanisms causing these differences will enhance the success of breast cancer therapy.
  • Publication
    General Overview of Renal Cell Carcinoma with the Evaluation of our cases
    (2015-12-01) Yildiz, PELİN; Sonmez, FATMA CAVİDE; Buyukpinarbasili, NUR; Gucin, ZÜHAL; Arici, DİLEK SEMA; KOCAKOC, Ercan; Akcay, MUZAFFER; YILDIZ, PELİN; SÖNMEZ, FATMA CAVİDE; BÜYÜKPINARBAŞILI, NUR; GÜCİN, ZÜHAL; ARICI, DILEK SEMA; AKÇAY, MUZAFFER
    Objective: Renal cell carcinoma (RCC) is the 14th most common tumor in the world. In 2010, the protocol for the examination of kidney specimens with invasive carcinoma of renal tubular origin was updated. The aim of our study was to review 1-year RCC patients of our hospital according to the new protocol, classification, and staging systems with respect to their morphological and immunohistochemical features.. Methods: The medical records of 54 RCC patients between July 2012 and July 2013 were retrospectively reviewed. They were classified according to the WHO 2004 classification system and newly defined subtypes. The following variables were determined in each case: age, sex, histological subtype, stage, and Fuhrman nuclear grade. Results: In our study, 30 (55.6%) men and 24 (44.4%) women were diagnosed with RCC out of 54 patients. The median age was 56 years. In total, 21 patients had (55.2%) right-and 17 had (44.74%) left-sided tumors. Thirty-eight (70.3%) clear cell, 6 (11.1%) papillary, 7 (12.96%) chromophobe, 1 (1.85%) multilocular, 1 (1.85%) unclassified, and 1 (1.85%) tubulocystic RCC were seen. According to primary tumor, 33 (61.1%) pT1, 10 (18.51%) pT2, 9 (16.66%) pT3, and 2 (3.70%) pT4 patients were reported. Chromophobe RCCs were excluded from the Fuhrman grading (G) system; of the remaining 2 (4.17%) were G1, 30 (62.5%) were G2, 13 (27.08%) were G3, and 3 (6.25%) were G4 tumors. Conclusion: Although RCC constitutes the majority of renal tumors, different subtypes are also encountered. In our study, clear cell RCCs were the most common type of tumors consistent with the literature. The remarkable point was that chromophobe RCCs were more frequent in our study. Because of infrequency, more examples are required to distinguish newly defined subtypes.
  • Publication
    Xenotransplantation of human cryopreserved parathyroid tissue isolated from parathyroid adenomas to normocalcemic rabbits
    (2017-06-01) Aysan, Erhan; DUZKOYLU, Yigit; Can, Ismail; Buyukpinarbasili, NUR; AYŞAN, MUSTAFA ERHAN; BÜYÜKPINARBAŞILI, NUR
    Objective: Parathyroid allotransplantation is a new method for the treatment of permanent hypoparathyrodism. Adenoma cells are not used for transplantation because of the potential for functional or histopathologic transformation. In this study, we transplanted human adenomatous parathyroid cells to rabbits. Material and Methods: Parathyroid adenoma tissue taken from a male patient was cryopreserved and transplanted into seven New Zealand white rabbits (mean weight, 3700±220 g; mean age, 4.5 months) under immunosuppression. The levels of parathormone, calcium and phosphorus were measured before and after transplantation, and the parathyroid cells were observed histopathologically. Results: Mean parathyroid hormone level was 0.5 pg/dL before transplantation and 6.6 pg/dL after transplantation (p<0.05). Preoperative mean calciumlevel was 14.1 mg/dL, and mean phosporus level was 3.5 mg/dL before transplantation while these values were 14.4 mg/dL and 3.3mg/dL, respectively, after transplantation (p>0.05). Morphologic transformation was not observed in parathyroid cells after transplantation. Conclusion: In short-term observation, adenomatous parathyroid cells can function without malignant transformation. In the future, the preliminary methodology in this study may serve as a safe alternative for allotransplantation into patients with permanent hypoparathyroidism. Keywords: Hypoparathyroidism, xenotransplantation, parathyroid adenoma
  • Publication
    Perforated gastrointestinal stromal tumor in the jejunum: A rare cause of acute abdomen
    (2012-12-01) Memmi, NAİM; CIPE, Gokhan; BEKTASOGLU, HÜSEYİN KAZIM; TOYDEMIR, Toygar; Kadioglu, Huseyn; Bozkurt, SÜLEYMAN; Buyukpinarbasili, NUR; KARATEPE, Oguzhan; MUSLUMANOGLU, Mahmut; MEMMİ, NAİM; BEKTAŞOĞLU, HÜSEYİN KAZIM; BOZKURT, SÜLEYMAN; BÜYÜKPINARBAŞILI, NUR
    Gastrointestinal stromal tumors (GIST) are highly frequent mesenchymal tumors of the digestive tract, which mainly affect the stomach and small intestine. GISTs frequently exist with unclear symptoms. Their initial clinical presentation as acute abdomen due to their perforation is particularly rare. In the present study we report a case of a 59-year-old male presenting with acute abdomen. The final diagnosis revealed a small bowel perforation due to GIST. In this paper, we report the clinical manifestation as well as computed tomography and histopathological findings helpful for the accurate diagnosis of this rare complication of GIST. Emergency laparotomy and complete resection of tumor are essential. Following surgical resection, adjuvant tyrosine kinase inhibitor therapy should be considered for prevention of early recurrence.