Robert O. Petersen
Thomas Jefferson University
16 Papers
341 Citations
Robert O. Petersen is an academic researcher from Thomas Jefferson University. The author has contributed to research in topics: Prostatectomy & Prostate cancer. The author has an hindex of 14, co-authored 16 publications. Previous affiliations of Robert O. Petersen include University of Helsinki & Armed Forces Institute of Pathology.
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Papers
Color doppler imaging in predicting the biologic behavior of prostate cancer : Correlation with disease-free survival
TL;DR: Investigating the association of transrectal color Doppler imaging (CDI) signal detection in localized prostate cancer with biologic behavior as assessed by tumor Gleason grade, seminal vesicle invasion, capsular and margin status, and actuarial biochemical freedom from relapse found color-coded Dopples appears to correlate with both tumor grade and stage.
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Effect of higher radiation dose on biochemical control after radical prostatectomy for PT3N0 prostate cancer.
Richard K. Valicenti,Leonard G. Gomella,Mohammed Ismail,S. Grant Mulholland,Robert O. Petersen,Benjamin W. Corn +5 more
TL;DR: In patients with pT3N0 prostate cancer after radical prostatectomy, a radiation dose-response function may be present and depends on the preRT PSA value, and patients with high postoperative PSA levels may be less likely to benefit from higher doses of RT, and should be considered a group for which systemic therapy should be tested.
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The efficacy of early adjuvant radiation therapy for pT3N0 prostate cancer: a matched-pair analysis.
Richard K. Valicenti,Leonard G. Gomella,Mohammed Ismail,Steve E Strup,S. Grant Mulholland,Adam P. Dicker,Robert O. Petersen,Craig J. Newschaffer +7 more
TL;DR: It is suggested that adjuvant RT for pT3N0 prostate cancer may significantly reduce the risk of PSA failure as compared to radical prostatectomy alone, and its effect on clinical outcome awaits further follow-up.
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Durable efficacy of early postoperative radiation therapy for high-risk pT3N0 prostate cancer: the importance of radiation dose
Richard K. Valicenti,Leonard G. Gomella,Mohammed Ismail,S. Grant Mulholland,Stephen E. Strup,Robert O. Petersen,Benjamin W. Corn,J.D Lu,J.D Lu +8 more
TL;DR: The data suggest that RT doses of 64.8 Gy or more appear superior to prevent future biochemical failures in patients with high-risk pT3N0 prostate cancer and a prospective randomized study evaluating a postoperative RT dose response is warranted.
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•Journal Article
Metanephric adenoma: histology, immunophenotype, cytogenetics, ultrastructure.
TL;DR: Large, well-circumscribed, solid, tan tumor showed histologic similarity to developing metanephric tubular epithelium and expressed proximal tubule marker URO-2 and wt1 gene protein product, commonly expressed in Wilms' tumors.
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