Browsing by Author "Mut, Tuna"

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    Comparison of the trifecta outcomes of robotic and open nephron-sparing surgeries performed in the robotic era of a single institution
    (SPRINGER INTERNATIONAL PUBLISHING AG, 2015-01-01) Acar, Omer; Isik, Esin Ozturk; Mut, Tuna; Saglican, Yesim; Onay, Aslihan; Vural, Metin; Musaoglu, Ahmet; Esen, Tarik
    Purpose: In this study we aimed to report a comparative analysis between open and robotic nephron sparing surgeries (NSS) from a single institutional database. Methods: Patients who have undergone NSS during the robotic era of our institution were included in this study. Open (n = 74) and robotic (n = 59) groups were compared regarding trifecta outcome. Trifecta was defined as
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    Comparison of the trifecta outcomes of robotic and open nephron-sparing surgeries performed in the robotic era of a single institution (vol 4, 472, 2015)
    (SPRINGER INTERNATIONAL PUBLISHING AG, 2015-01-01) Acar, Omer; Ozturk-Isik, Esin; Mut, Tuna; Saglican, Yesim; Onay, Aslihan; Vural, Metin; Musaoglu, Ahmet; Esen, Tarik
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    Isolated omental metastasis of renal cell carcinoma after extraperitoneal open partial nephrectomy: A case report
    (ELSEVIER SCI LTD, 2016-01-01) Acar, Omer; Mut, Tuna; Saglican, Yesim; Sag, Alan Alper; Falay, Okan; Selcukbiricik, Fatih; Tabak, Levent; Esen, Tarik
    INTRODUCTION: Metachronous metastatic spread of clinically localized renal cell carcinoma (RCC) affects almost 1/3 of the patients. They occur most frequently in lung, liver, bone and brain. Isolated omental metastasis of RCC has not been reported so far. CASE PRESENTATION: A 62-year-old patient previously diagnosed and treated due to pulmonary sarcoidosis has developed an omental metastatic lesion 13 years after having undergone open extraperitoneal partial nephrectomy for T1 clear-cell RCC. Constitutional symptoms and imaging findings that were attributed to the presence of a sarcomatoid paraneoplastic syndrome triggered by the development this metastatic focus complicated the diagnostic work-up. Biopsy of the {[}18F]-fluorodeoxyglucose (+) lesions confirmed the diagnosis of metastatic RCC and the patient was managed by the resection of the omental mass via near-total omentectomy followed by targeted therapy with a tyrosine kinase inhibitor. DISCUSSION: Late recurrence of RCC has been reported to occur in 10-20\% of the patients within 20 years. Therefore lifelong follow up of RCC has been advocated by some authors. Diffuse peritoneal metastases have been reported in certain RCC subtypes with adverse histopathological features. However, isolated omental metastasis without any sign of peritoneal involvement is an extremely rare condition. CONCLUSION: To our knowledge, this is the first reported case of metachronously developed, isolated omental metastasis of an initially T1 clear-cell RCC. Constitutional symptoms, despite a long interval since nephrectomy, should raise the possibility of a paraneoplastic syndrome being associated with metastatic RCC. Morphological and molecular imaging studies together with histopathological documentation will be diagnostic. (C) 2016 The Authors. Published by Elsevier Ltd. on behalf of IJS Publishing Group Ltd.