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47 results on '"Yashar, C.M."'

1. Direction Modulated Brachytherapy Tandem Model Applicators for Treatment Planning of Multi-Institutional Cervical Cancer Cases: Removing Needles in Intracavitary-Interstitial Techniques

Author

Manandhar, B., primary, Gholami, S., additional, Richeson, D., additional, Alam, S., additional, Gautam, S., additional, Scanderbeg, D.J., additional, Yashar, C.M., additional, Prisciandaro, J.I., additional, Jolly, S., additional, Fields, E.C., additional, and Song, W.Y., additional

Published
2023
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3. Combining Novel Direction Modulated Brachytherapy Tandem-and-Ovoids Applicators for Treatment Planning of Multi-Institutional Cervical Cancer Cases: Removing Needles in Intracavitary-Interstitial Techniques

Author

Alam, S., primary, Richeson, D., additional, Manandhar, B., additional, Gholami, S., additional, Gautam, S., additional, Scanderbeg, D.J., additional, Yashar, C.M., additional, Prisciandaro, J.I., additional, Jolly, S., additional, Fields, E.C., additional, and Song, W.Y., additional

Published
2023
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13. A Phase 3 Trial of Pelvic Radiation Therapy Versus Vaginal Cuff Brachytherapy Followed by Paclitaxel/Carboplatin Chemotherapy in Patients with High-Risk, Early-Stage Endometrial Cancer: A Gynecology Oncology Group Study

Author

Randall, M., primary, Filiaci, V., additional, McMeekin, D., additional, Yashar, C.M., additional, Mannel, R., additional, Salani, R., additional, DiSilvestro, P., additional, Burke, J., additional, Rutherford, T., additional, Spirtos, N., additional, Cho, J., additional, Kim, J., additional, Anderson, P., additional, Brewster, W., additional, Small, W., additional, Carney, M., additional, Aghajanian, C., additional, and Miller, D.S., additional

Published
2017
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15. Consensus Guidelines for Delineation of Clinical Target Volume for Intensity-Modulated Pelvic Radiation Therapy in Postoperative Treatment of Endometrial and Cervical Cancer- An Update

Author

Small, W., Bosch, W.R., Strauss, J.B., Albuquerque, K., Beriwal, S., Creutzberg, C.L., Eifel, P.J., Erickson, B.A., Fyles, T.W., Jhingran, A., Klopp, A.H., Kunos, C., Mell, L.K., Powell, M., Viswanathan, A.N., Yashar, C.M., and Gaffney, D.

Subjects
Cancer Research, Radiation, Oncology, Radiology, Nuclear Medicine and imaging
Published
2014

16. Intensity Modulated Radiation Therapy for Vulvar Carcinoma: Changes in Practice Over 5 Years

Author

Barkati, M., primary, King, B., additional, Fortin, I., additional, Portelance, L., additional, Viswanathan, A.N., additional, Fyles, T.W., additional, Beriwal, S., additional, Alfieri, J., additional, Lim, K.S., additional, Harkenrider, M.M., additional, Small, W., additional, Klopp, A.H., additional, Stewart, A., additional, Yashar, C.M., additional, Bosch, W.R., additional, Jhingran, A., additional, Jolicoeur, M., additional, and Gaffney, D.K., additional

Published
2016
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17. Longitudinal Assessment of Quality of Life Following Intensity Modulated Radiation Therapy for Cervical Cancer: Preliminary Analysis of the INTERTECC Phase 2 Clinical Trial

Author

Mell, L.K., primary, Sirak, I., additional, Wei, L., additional, Tarnawski, R.R., additional, Mahantshetty, U.M., additional, Yashar, C.M., additional, McHale, M.T., additional, Honerkamp-Smith, G., additional, Xu, R., additional, Wright, M.E., additional, and Williamson, C.W., additional

Published
2016
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18. Phase 2 Multicenter Clinical Trial of Bone Marrow–Sparing Intensity Modulated Radiation Therapy With Concurrent Cisplatin for Stage IB-IVA Cervical Cancer

Author

Mell, L.K., primary, Sirak, I., additional, Wei, L., additional, Tarnawski, R.R., additional, Mahantshetty, U.M., additional, Yashar, C.M., additional, McHale, M.T., additional, Wright, M.E., additional, Pritz, J., additional, Straube, W., additional, Xu, R., additional, Kasaova, L., additional, Michalski, J.M., additional, Bosch, W.R., additional, Followill, D.S., additional, Schwarz, J.K., additional, Honerkamp-Smith, G., additional, Leif, J.L., additional, Saenz, C.C., additional, Einck, J.P., additional, Koonings, P.P., additional, Harrison, T.A., additional, Khorprasert, C., additional, Shi, M., additional, Plaxe, S.C., additional, and Mundt, A.J., additional

Published
2016
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20. Computed Tomography Consensus Clinical Target Volume Contouring for Intensity Modulated Radiation Therapy in Intact Cervical Carcinoma

Author

Yashar, C.M., primary, Petersen, I.A., additional, Bosch, W.R., additional, Albuquerque, K.V., additional, Beriwal, S., additional, Chino, J.P., additional, Erickson, B.A., additional, Feddock, J., additional, Gaffney, D.K., additional, Iyer, R., additional, Klopp, A.H., additional, Kunos, C., additional, Mayadev, J.S., additional, Portelance, L., additional, Viswanathan, A.N., additional, Wolfson, A.H., additional, Jhingran, A., additional, and Mell, L.K., additional

Published
2016
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22. Modern Radiation Therapy and Cardiac Outcomes in Breast Cancer

Author

Boero, I.J., primary, Paravati, A.J., additional, Triplett, D.P., additional, Hwang, L., additional, Matsuno, R.K., additional, Gillespie, E.F., additional, Yashar, C.M., additional, Moiseenko, V., additional, Einck, J.P., additional, Mell, L.K., additional, Parikh, S.A., additional, and Murphy, J.D., additional

Published
2015
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25. Outcomes for APBI With Strut-Based Brachytherapy: First 200 Accrued Patients (52-Month Median Follow-Up)

Author

Yashar, C.M., primary, Scanderbeg, D., additional, Quiet, C.A., additional, Snyder, M.B., additional, Lyden, M., additional, Attai, D., additional, Komarnicky, L.T., additional, Reiff, J., additional, Nigh, S.S., additional, Pollock, J., additional, Butler, E., additional, Han, B., additional, Mantz, C.A., additional, Finkelstein, S.E., additional, Hong, R.L., additional, and Kuske, R.R., additional

Published
2014
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26. Dosimetric Comparison Based on Consensus Delineation of Clinical Target Volume for CT- and MR-Based Brachytherapy in Locally Advanced Cervical Cancer

Author

Viswanathan, A.N., primary, Buzurovic, I., additional, Damato, A.L., additional, Bosch, W., additional, Gaffney, D., additional, Beriwal, S., additional, Burnett, O., additional, D’Souza, D., additional, Jhingran, A., additional, Jones, E.L., additional, Kunos, C., additional, Lee, L., additional, Lin, L., additional, Mayr, N.A., additional, Petersen, I., additional, Portelance, L., additional, Small, W., additional, Wolfson, A., additional, Yashar, C.M., additional, and Erickson, B., additional

Published
2014
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28. Consensus Guidelines for Delineation of Clinical Target Volume for Intensity-Modulated Pelvic Radiation Therapy in Postoperative Treatment of Endometrial and Cervical Cancer- An Update

Author

Small, W., primary, Bosch, W.R., additional, Strauss, J.B., additional, Albuquerque, K., additional, Beriwal, S., additional, Creutzberg, C.L., additional, Eifel, P.J., additional, Erickson, B.A., additional, Fyles, T.W., additional, Jhingran, A., additional, Klopp, A.H., additional, Kunos, C., additional, Mell, L.K., additional, Powell, M., additional, Viswanathan, A.N., additional, Yashar, C.M., additional, and Gaffney, D., additional

Published
2014
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29. Outcomes for APBI With Strut-Based Brachytherapy: 596 Patients With 39-Month Median Follow-Up

Author

Strasser, J., primary, Koprowski, C.D., additional, Kuske, R., additional, Lyden, M., additional, Attai, D., additional, Mahalingam, S.B., additional, Komarnicky, L.T., additional, Nigh, S.S., additional, Pollock, J., additional, Han, B., additional, Mantz, C.A., additional, Finkelstein, S.E., additional, Hong, R.L., additional, and Yashar, C.M., additional

Published
2014
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46. Smoking History and Breast Shrinkage Following Breast Conserving Treatment and Radiation Therapy.

Author

Becker, M.C., Reese, M., Orr, M.E., Leach, G., Rash, D.L., Mayadev, J.S., Nwachukwu, C.R., Kisling, K., Blair, S., Ojeda-Fournier, H., Reid, C., and Yashar, C.M.

Subjects
*RADIATION doses, *HORMONE therapy, *AGE groups, *PATIENT education, *DIAGNOSIS of diabetes
Abstract

Cosmetic outcomes of breast-conserving treatment (BCT) and radiation therapy (RT) are important for survivorship. One important factor is breast volume loss. Smoking during RT has been associated with increased risk of toxicity, but it is unknown whether smoking history affects volume loss. It was hypothesized that smoking would be associated with increased volume loss, via increased susceptibility to radiation toxicity. This study aimed to explore any associations. Breast volume changes were calculated for 112 patients (113 breasts) following T1 tumor lumpectomies. From preoperative baseline to seven years post-radiation, volumes were calculated from mammograms using π/3* height*radius2. Mann-Whitney U-Tests compared volume changes at each time point between patients actively smoking (n = 1) or with a smoking history (n = 29), and patients who never smoked (n = 83). Multivariate analysis assessed volume change as a function of patient age, pack-years smoked, diabetes, radiation dosage, fractions, technique, boost dose, whole/partial breast RT, treatment length, chemotherapy (hormonal/cytotoxic), baseline breast volume, and months since treatment. Smoking group average age was 62.6 (SD = 6.8) years, median pack-years smoked was 5 (IQR = 19.9), median RT dose was 4272 cGy (IQR = 749) over 16 (IQR = 4.8) fractions for median duration 3.2 (IQR = 1.0) weeks. N = 24 (80%) received endocrine therapy. Non-smoking group average age was 57.6 (SD = 8.8) years, median RT dose was 5005 cGy (IQR = 749) over 20 (IQR = 4) fractions for median duration 3.6 (IQR = 1.3) weeks. N = 64 (77.1%) received endocrine therapy. Treatment details are summarized in Table 1. Patients with a smoking history experienced significantly greater volume loss during the first two years after treatment. By year one, 26.5% of baseline breast volume was lost compared to 13.4% among non-smoking patients (P = 0.02). By year two, smoking group volume loss was 23.9%, compared to 16.3% for non-smoking patients (P = 0.04). Larger baseline breast volume and increased pack-years smoked were significant predictors of increased volume loss during years one, two and three (P <0.05). For year three a diabetes diagnosis was also significant (P = 0.03). Findings suggest prior smoking may contribute to increased breast shrinkage within the first two years following BCT/RT. Increased pack-years and larger baseline breast volume may predict greater volume loss. Anticipating these changes is important for patient education and planning future interventions. [ABSTRACT FROM AUTHOR]

Published
2024
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47. Development of a Consensus Checklist for Systematic Radiation Treatment Plan Review.

Author

Boyd, G.H., Dilling, T.J., Gibbs, I.C., Golden, D.W., Mak, R.H., Olivier, K., Pinnix, C.C., Tendulkar, R.D., Yashar, C.M., Yeung, A.R., Yom, S.S., and Jimenez, R.B.

Subjects
*MEDICAL personnel, *NOMINALS (Grammar), *ELECTRON beams, *LIKERT scale, *PHYSICIANS
Abstract

Checklists in medicine are widely used and known to improve patient safety. We developed a consensus method for systematic radiation treatment plan review for use by radiation oncology physicians to improve efficiency and safety of plan review for external beam electron and photon-based treatments. Eleven nationally recognized disease-site experts in radiation oncology involved in educational initiatives from diverse institutions were invited to participate in a consensus development panel. Ten physicians joined the panel, representing subspecialists in all major disease sites for radiation oncology. Median number of years in practice for panelists was 16.5 (range = 11-24). A nominal group technique (NGT), which is an established consensus development process in health professions literature, was employed for iterative development of the guideline. NGT consists of four steps for consensus development: 1. Idea generation, 2. Idea sharing, 3. Moderator-led group discussion, and 4. Consensus voting. Prior to panel meetings, all panelists were provided with multiple relevant publications on systematic plan review for independent evaluation and asked to create a detailed checklist of items that should be reviewed by a physician for all treatment plans prior to approval for patient care. They were instructed to create a list that reflected what each believed should be reviewed for every plan under ideal circumstances. Consensus development took place over the course of three months, including three hours of virtual meetings with all panelists in attendance to discuss the merits of all participant submissions. A preliminary checklist representing all submitted ideas was created. All panelists voted on each individual line-item in checklist using a 4-point Likert Scale ("strongly disagree" to "strongly agree"). A "moderate consensus" was pre-defined by the expert panel as 60% of panelists ranking a line-item as "agree" or "strongly agree". A "strong consensus" was defined as at least 80% of panelists making the same determination. All panelists participated in the consensus voting process. 54 line-items were evaluated, 49/54 (91%) reaching the level of "strong consensus". "Strong consensus" line-items were consolidated into a finalized 36-item checklist, organized in a logical stepwise manner, and edited for clarity. All panelists discussed and agreed upon an organizational structure for the finalized checklist. Utilizing a NGT approach, an expert panel of ten academic radiation oncologists representing a diversity of disease site specialties, technical expertise, and years in practice successfully developed the first consensus checklist for radiation oncologists to facilitate systematic treatment plan evaluation in all clinical scenarios. Validation of this guideline in diverse clinical settings is anticipated. [ABSTRACT FROM AUTHOR]

Published
2024
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