Mark K Buyyounouski

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..To validate the interval to biochemical failure (IBF) as a prognostic factor at the time of biochemical failure for prostate cancer mortality (PCM) following radiotherapy (RT)...

..The present study examined the clinical utility of the interval to biochemical failure (IBF) as a prognostic factor for distant metastasis (DM) and prostate cancer-specific mortality (PCSM) after radiotherapy...

..5 ng/ml within 2 years of radiotherapy treatment predicts distant metastases and death from prostate cancer...

..To compare several characteristics of alternative definitions of biochemical failure (BF) in men with extended follow-up after radiotherapy (RT) with or with androgen deprivation therapy (ADT) for prostate cancer...

..In this series, we report prostate bed localization and motion characteristics, using data collected from implanted radiofrequency transponders...

..To compare the toxicity and biochemical outcomes of intensity-modulated radiation therapy (IMRT) and (125)I transperineal permanent prostate seed implant ((125)I) for patients with low-risk prostate cancer...

..The present study compared the genitourinary and gastrointestinal (GI) toxicity in men treated with 3D-CRT+AD vs. IMRT+AD...

..The authors hypothesized that early failures due to subclinical micrometastasis at presentation could be differentiated from late failures due to local persistence...

..Intensity-modulated radiation therapy may offer further reductions in the doses received by the PB and CB; however, at what cost to prostate coverage and normal tissue sparing will be the subject of a follow-up study...

..However, local failure is also a major problem. We sought to establish the importance of more aggressive local radiotherapy (RT) to ≥80 Gy...

..To correlate tumor oxygenation status with long-term biochemical outcome after prostate brachytherapy...

..To quantify the impact of radiation dose escalation on the timing of biochemical failure (BF) and distant metastasis (DM) for prostate cancer treated with radiotherapy (RT) alone...

..This study sought to determine whether the initial PSA increase from undetectable after completion of all treatment predicts for eventual biochemical failure (BF)...

..To investigate the prognostic utility of the proportion of prostate biopsy tissue containing Gleason pattern 4 or 5 (GP4/5) after definitive radiotherapy (RT) for prostate cancer...

..The American Society of Therapeutic Radiation Oncology definition for biochemical failure overestimates BF in 20-30% after RT+AD compared to 5% after RT alone...

..This case series of 6 patients is the first to report the outcome of ductal carcinoma treated with external beam radiotherapy...

..In prostate cancer, the overall treatment time can be considerable, as can the potential for treatment breaks. We evaluated the effect of elapsed treatment time on outcome after RT for prostate cancer...

..To study the gains from real-time tracking of prostate motion and threshold-based intervention and the feasibility of margin reduction for external beam radiation therapy of prostate cancer...

..The authors designed a model to estimate the results of various doses of radiotherapy (RT) combined with various durations of ADT...

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..To present the largest retrospective series investigating the effect of aspirin and statins, which are hypothesized to have antineoplastic properties, on biochemical failure (nadir plus 2 ng/mL) after prostate radiation therapy (RT)...

..To quantify the radiotherapy dose-response of prostate cancer, adjusted for prognostic factors in a mature cohort of men treated relatively uniformly at a single institution...

..The purpose of this study was to determine whether a history of TURP is associated with increased biochemical failure (BF) after definitive radiotherapy for prostate cancer...

..The objective of the current study was to compare ASTRO and Phoenix BF estimates as determinants of distant metastasis (DM), cause-specific mortality (CSM), and overall mortality (OM)...

..We investigated the relationship between prostate-specific antigen (PSA) and histologically residual CaP after definitive RT in patients undergoing radical cystoprostatectomy (RCP) for unrelated indications...

..Study Type - Diagnostic (exploratory cohort) Level of Evidence 2b...

..It is widely believed that younger prostate cancer patients are at greater risk of recurrence following radiotherapy (RT)...

..To define a prostate fossa clinical target volume (PF-CTV) for Radiation Therapy Oncology Group (RTOG) trials using postoperative radiotherapy for prostate cancer...

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..A Phase III randomized trial has been designed to test the clinical significance of the erectile tissue-sparing technique described here...

..04). CONCLUSIONS: Inclusion of positive biopsy laterality status into clinical staging causes stage migration without reflecting a change in outcome and should not be used...

..g., if they have a horseshoe kidney, inflammatory bowel disease, or a history of radiotherapy)...

..The dosimetry and acute toxicity are described in the first 100 men enrolled in a randomized trial...

..0001).CONCLUSIONS.nPSA12 is a strong independent predictor of outcome after RT alone for prostate cancer and should be useful in identifying patients at high risk for progression to metastasis and death...

..To evaluate erectile function after high-dose radiotherapy for prostate cancer using the International Index of Erectile Function, Expanded Prostate Cancer Index Composite, and stamp test...

..To report the clinical outcomes of four patients with pituitary metastases treated with radiotherapy...

..The purpose of this study was to quantify the effects of gold seeds on the quality of MRSI data acquired in phantom experiments...

..To investigate the dosimetric impact of using 4D CT and multiphase (helical) CT images for treatment planning target definition and the daily target coverage in hypofractionated stereotactic body radiotherapy (SBRT) of lung cancer...

..Prophylactic cranial irradiation (PCI) is commonly offered to patients with limited stage primary small cell lung cancer following a complete response...

..To define and incorporate the impact of the percentage of positive biopsy cores (PPC) into a predictive model of prostate cancer radiotherapy biochemical outcome...