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Permanent URI for this collectionhttps://hdl.handle.net/11443/932
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Item The present and future opportunities of the Rare Cancer Network: an international consortium for advancement of oncologic care(SAGE PUBLICATIONS LTD, 2015-01-01) Sio, Terence T.; Mirimanoff, Rene-Olivier; Ozyar, Enis; Belkacemi, Yazid; Miller, Robert C.; Villa, Salvador; Thariat, Juliette; Krengli, Marco; Scandolaro, Luciano; Atalar, Banu; Ugurluer, Gamze; Gutierrez Garcia, Beatriz; Ashman, Jonathan B.; Anacak, Yavuz; Onal, Cem; Arat, Mutlu; Sun, Xu Shan; Tesanovic, Dusanka; Lassen-Ramshad, Yasmin; Oksuz, Didem; Dincbas, Fazilet; Sezen, Duygu; Akyurek, Serap; Kutuk, Tugce; Bolukbasi, Yasemin; Eren, Gulnihan; Paryani, Nitesh N.; Ahmed, Safia K.; Moretti, Luigi; Merrell, Kenneth W.; Chang, Kenneth; Mayeda, Mark; Arnett, Andrea L.; Habboush, Jacob Y.; Ozsahin, Mahmut; Network, Rare CancTo date, the Rare Cancer Network (RCN) has initiated more than 90 studies and 54 peer-reviewed publications were produced as a result. The Second International Symposium of the Rare Cancer Network recently took place in Istanbul, Turkey on April 17-18, 2015, and update was given on multiple currently ongoing projects, while also giving room for new proposals which will shape the direction of future studies for the group. This companion issue of the RCN Proceedings summarized the findings of this meeting, while also serving as a call for fresh projects and papers which will continue to energize the group and advance the oncologic science. A brief introduction to the principles, history, and vision of the RCN was also included. To review, the academic year of 2014-15 marked an enormous success for the international members of the RCN, with the generation of 8 fully published papers and more than 12 newly proposed topics. By the collective efforts of all RCN members, in the future, we look forward to the upcoming opportunities in continuing to advance the standard of chemo-and radiotherapeutic oncologic care for selected rare tumor topics. The studies of these rare cancers often do not allow the design and execution of prospectively enrolled trialsItem Primary extranodal lymphoma of the glands. Literature review and options for best practice in 2019(ELSEVIER SCIENCE INC, 2019-01-01) Belkacemi, Yazid; Sio, Terence T.; Colson-Durand, Laurianne; Onal, Cem; Villa, Salvador; Anacak, Yavuz; Krengli, Marco; Thariat, Juliette; Ugurluer, Gamze; Miller, Robert C.; Mirimanoff, Rene-Olivier; Ozsahin, Mahmut; To, Nhu HanhPrimary extranodal non-Hodgkin's lymphomas (EN-NHL) are a heterogeneous group of malignancies that involve numerous entities with significant difference in terms of tumor site locations, prognostic factors, biology expression, and therapeutic options. In the literature, many EN-NHL types were reported from limited series which only allowed narrow views for elucidating prognostic factors and defining the role of loco-regional therapies in the era of new systemic and biologically targeted therapies. The Rare Cancer Network (RCN), an international multidisciplinary consortium, has published a number of reports on several EN-NHL sites which included many gland locations. In this review, we will focus on the recent literature for a selected number of EN-NHL types in both exocrine and endocrine gland locations. We aim to provide renewed and clear messages for the best practice in 2019 for diagnosis, histopathology, treatments, and also their prognostic implications. We believe that better understanding of molecular and genetic characteristics of these particular diseases is crucial for an appropriate management in the era of personalized treatment developments.Item Changes in radiotherapy practice during COVID-19 outbreak in Turkey: A report from the Turkish Society for Radiation Oncology(ELSEVIER IRELAND LTD, 2020-01-01) Anacak, Yavuz; Onal, Cem; Ozyigit, Gokhan; Agaoglu, Fulya; Akboru, Halil; Akyurek, Serap; Gursel, Bilge; Igdem, Sefik; Yalman, Deniz; Yildiz, Ferah; Saglam, Esra KaytanItem Adult Rhabdomyosarcoma: Clinical Features and Radiotherapy Outcomes-The Turkish Oncology Group (TOG) Bone and Soft Tissue Sarcoma Study Group(KARE PUBL, 2018-01-01) Korkmaz Kirakli, Esra; Iribas, Ayca; Ergen, Arzu; Atalar, Banu; Adaoglu, Fulya; Onder Dincbas, Fazilet; Darendeliler, Emin; Anacak, Yavuz; Kamer, SerraOBJECTIVE Although rhabdomyosarcoma (RMS) is the most frequent soft tissue sarcoma diagnosed in childhood, it represents only 2\%-5\% of adult soft tissue sarcomas. The aim of the present study was to better understand the clinical characteristics, treatment approaches, and outcomes of patients with adult RMS who received radiotherapy (RT) as a component of their multidisciplinary management since there are scarce data on adult RMS due to its rarity. METHODS The medical records of patients with adult RMS who were >= 18 years old and treated with RT between January 1995 and August 2016 in four different radiation centers were evaluated in terms of clinical characteristics, treatment, and follow-up data retrospectively. RESULTS There were 28 patients. The median age at diagnosis was 28 (19-53) years. The most common site of involvement was the head and neck (25\%), and parameningeal region involvement was prominent (92\%) among them. In general, unfavorable site of involvement was markedly higher than favorable ones (82\% vs. 18\%). Alveolar and pleomorphic subtypes compromised 75\% of the cases. Fifteen patients had surgery, 26 chemotherapy, 10 radical intent of RT, 9 adjuvant, 3 preoperative, and 6 palliative. The follow-up time was from 3 to 235 (median 18) months, disease-free survival was between 2 and 48 (median 12) months, and 5-year overall survival (OS) was 25\% (median OS 20 (4-235) months). There were significant differences in terms of survival according to histopathological subtypes (p: 0.017), risk groups (p<0.001), Intergroup Rhabdomyosarcoma Study Group (IRSG) grouping and IRSG staging (p<0.001). CONCLUSION Adult RMS has unfavorable clinical presentation and worse outcome compared with pediatric RMS. Histopathological subtype and risk grouping to define the prognosis used in pediatric cases also might be valid in adult RMS.