Richard Choo

Richard Choo

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Richard Choo

Richard Choo

Publications by authors named "Richard Choo"

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Isolated biopsy-proven recurrence of prostate carcinoma in the spermatic cord after radical prostatectomy detected with 11C-Choline PET/CT.

Urol Case Rep 2019 Sep 31;26:100985. Epub 2019 Jul 31.

Department of Radiation Oncology, Mayo Clinic, Rochester, MN, 200 First Street SW, Rochester, MN, 55905, USA.

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https://linkinghub.elsevier.com/retrieve/pii/S22144420193028
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http://dx.doi.org/10.1016/j.eucr.2019.100985DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6685691PMC
September 2019

Proton Therapy for Stage IIA-B Seminoma: A New Standard of Care for Treating Retroperitoneal Nodes.

Int J Part Ther 2018 30;5(2):50-57. Epub 2018 Nov 30.

Department of Radiation Oncology, Mayo Clinic, Rochester, MN, USA.

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http://dx.doi.org/10.14338/IJPT-18-00001.1DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6874188PMC
November 2018

Low dose rate prostate brachytherapy.

Transl Androl Urol 2018 Jun;7(3):341-356

Department of Radiation Oncology, Mayo Clinic, Rochester, MN 55905, USA.

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http://dx.doi.org/10.21037/tau.2017.12.15DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6043740PMC
June 2018

Brachytherapy in the Management of Prostate Cancer.

Surg Oncol Clin N Am 2017 07 11;26(3):491-513. Epub 2017 May 11.

Department of Radiation Oncology, Mayo Clinic, 200 First Street Southwest, Rochester, MN 55905, USA.

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http://dx.doi.org/10.1016/j.soc.2017.01.008DOI Listing
July 2017

Improved Metastasis-Free and Survival Outcomes With Early Salvage Radiotherapy in Men With Detectable Prostate-Specific Antigen After Prostatectomy for Prostate Cancer.

J Clin Oncol 2016 11;34(32):3864-3871

Bradley J. Stish, Thomas M. Pisansky, William S. Harmsen, Brian J. Davis, and Richard Choo, Mayo Clinic, Rochester MN; and Katherine S. Tzou and Steven J. Buskirk, Mayo Clinic, Jacksonville FL.

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http://dx.doi.org/10.1200/JCO.2016.68.3425DOI Listing
November 2016

Surgery Versus Radiotherapy for Clinically-localized Prostate Cancer: A Systematic Review and Meta-analysis.

Eur Urol 2016 07 15;70(1):21-30. Epub 2015 Dec 15.

Division of Urology, Sunnybrook Health Sciences Centre, Sunnybrook Research Institute, Toronto, Canada; Division of Urology, Department of Surgery, University of Toronto, Toronto, ON, Canada; Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, ON, Canada. Electronic address:

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http://dx.doi.org/10.1016/j.eururo.2015.11.010DOI Listing
July 2016

Second malignancies after radiotherapy for prostate cancer: systematic review and meta-analysis.

BMJ 2016 Mar 2;352:i851. Epub 2016 Mar 2.

Division of Urology, Sunnybrook Health Sciences Centre, Sunnybrook Research Institute, University of Toronto, Room MG-406, 2075 Bayview Avenue, Toronto, ON M4N 3M5, Canada

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4775870PMC
http://dx.doi.org/10.1136/bmj.i851DOI Listing
March 2016

Long-term results of a study using individualized planning target volumes for hypofractionated intensity-modulated radiotherapy boost for prostate cancer.

Radiat Oncol 2015 Apr 18;10:95. Epub 2015 Apr 18.

Department of Radiation Oncology, Odette Cancer Centre, Sunnybrook Health Sciences Centre, 2075 Bayview Ave., Toronto, ON, M4N 3 M5, Canada.

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http://dx.doi.org/10.1186/s13014-015-0400-1DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4407385PMC
April 2015

Neuroendocrine differentiation in prostate cancer: a mechanism of radioresistance and treatment failure.

Front Oncol 2015 14;5:90. Epub 2015 Apr 14.

Department of Pathology, David Geffen School of Medicine at UCLA , Los Angeles, CA , USA.

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http://dx.doi.org/10.3389/fonc.2015.00090DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4396194PMC
April 2015

Late gastrointestinal morbidity in patients with stage I-II testicular seminoma treated with radiotherapy.

Urol Oncol 2014 May 12;32(4):496-500. Epub 2013 Dec 12.

Department of Radiation Oncology, Mayo Clinic, Rochester, MN.

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http://dx.doi.org/10.1016/j.urolonc.2013.10.002DOI Listing
May 2014

Long-term outcomes of radiotherapy for stage II testicular seminoma--the Mayo Clinic experience.

Urol Oncol 2013 Nov 25;31(8):1832-8. Epub 2012 Apr 25.

Department of Radiation Oncology, Mayo Clinic, Rochester, MN 55905, USA.

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http://dx.doi.org/10.1016/j.urolonc.2012.03.010DOI Listing
November 2013

Vitamin D insufficiency is common in patients with nonmetastatic prostate cancer.

Nutr Res 2011 Jan;31(1):21-6

Department of Radiation Oncology, Odette Cancer Centre, University of Toronto, Toronto, Ontario, Canada.

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http://dx.doi.org/10.1016/j.nutres.2010.12.007DOI Listing
January 2011

Prospective survey of sexual function among patients with clinically localized prostate cancer referred for definitive radiotherapy and the impact of radiotherapy on sexual function.

Support Care Cancer 2010 Jun 9;18(6):715-22. Epub 2009 Jun 9.

Department of Radiation Oncology, Odette Cancer Centre, University of Toronto, Toronto, ON, Canada.

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http://link.springer.com/10.1007/s00520-009-0675-6
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http://dx.doi.org/10.1007/s00520-009-0675-6DOI Listing
June 2010

Salvage radiotherapy for patients with PSA relapse following radical prostatectomy: issues and challenges.

Authors:
Richard Choo

Cancer Res Treat 2010 Mar 31;42(1):1-11. Epub 2010 Mar 31.

Department of Radiation Oncology, Mayo Clinic, Rochester, MN 55905, USA.

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http://dx.doi.org/10.4143/crt.2010.42.1.1DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2848745PMC
March 2010

Efficacy of salvage radiotherapy plus 2-year androgen suppression for postradical prostatectomy patients with PSA relapse.

Int J Radiat Oncol Biol Phys 2009 Nov 4;75(4):983-9. Epub 2009 May 4.

Mayo Clinic, Department of Radiation Oncology, Rochester, MN 55905, USA.

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http://dx.doi.org/10.1016/j.ijrobp.2008.12.049DOI Listing
November 2009

Testosterone recovery after prolonged androgen suppression in patients with prostate cancer.

J Urol 2008 Oct 16;180(4):1438-43; discussion 1443-4. Epub 2008 Aug 16.

Department of Radiation Oncology, Odette Cancer Centre at the Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada.

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http://dx.doi.org/10.1016/j.juro.2008.06.029DOI Listing
October 2008

Prediction of radial distance of extraprostatic extension from pretherapy factors.

Int J Radiat Oncol Biol Phys 2007 Oct;69(2):411-8

Department of Radiation Oncology, Mayo Clinic and Foundation, Rochester, MN 55905, USA.

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http://dx.doi.org/10.1016/j.ijrobp.2007.03.016DOI Listing
October 2007

Effect of combined treatment with salvage radiotherapy plus androgen suppression on quality of life in patients with recurrent prostate cancer after radical prostatectomy.

Int J Radiat Oncol Biol Phys 2006 May 24;65(1):78-83. Epub 2006 Mar 24.

Department of Radiation Oncology, Tom Baker Cancer Centre, University of Calgary, Calgary, Alberta, Canada.

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http://dx.doi.org/10.1016/j.ijrobp.2005.11.041DOI Listing
May 2006

Randomized trial comparing two fractionation schedules for patients with localized prostate cancer.

J Clin Oncol 2005 Sep;23(25):6132-8

Radiation Oncology Program, Juravinski Cancer Centre, McMaster University, 699 Concession St, Hamilton, Ontario, Canada, L8V 5C2.

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http://dx.doi.org/10.1200/JCO.2005.06.153DOI Listing
September 2005

Pilot study: potential role of vitamin D (Cholecalciferol) in patients with PSA relapse after definitive therapy.

Nutr Cancer 2005 ;51(1):32-6

Toronto-Sunnybrook Regional Cancer Centre, Toronto, Ontario, Canada.

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http://dx.doi.org/10.1207/s15327914nc5101_5DOI Listing
August 2005

Effect of androgen suppression on hemoglobin in prostate cancer patients undergoing salvage radiotherapy plus 2-year buserelin acetate for rising PSA after surgery.

Int J Radiat Oncol Biol Phys 2005 Jul;62(3):719-24

Department of Radiation Oncology, Toronto Sunnybrook Regional Cancer Centre, University of Toronto, Toronto, ON, Canada.

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http://dx.doi.org/10.1016/j.ijrobp.2004.11.008DOI Listing
July 2005

What is the microscopic tumor extent beyond clinically delineated gross tumor boundary in nonmelanoma skin cancers?

Int J Radiat Oncol Biol Phys 2005 Jul;62(4):1096-9

Department of Radiation Oncology, Toronto Sunnybrook Regional Cancer Centre, University of Toronto, Toronto, Ontario, Canada.

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http://dx.doi.org/10.1016/j.ijrobp.2004.12.069DOI Listing
July 2005

Long-term outcome of postorchiectomy surveillance for Stage I testicular seminoma.

Int J Radiat Oncol Biol Phys 2005 Mar;61(3):736-40

Division of Radiation Oncology, Toronto Sunnybrook Regional Cancer Centre, University of Toronto, 2075 Bayview Avenue, Toronto, Ontario M4N 3M5, Canada.

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http://dx.doi.org/10.1016/j.ijrobp.2004.06.209DOI Listing
March 2005

Limited efficacy of salvage radiotherapy for biopsy confirmed or clinically palpable local recurrence of prostate carcinoma after surgery.

Radiother Oncol 2005 Feb 15;74(2):163-7. Epub 2004 Dec 15.

Toronto Sunnybrook Regional Cancer Centre, University of Toronto, Toronto, Canada; Division of Radiation Oncology, Mayo Clinic, 200 First Street SW, Rochester, MI 55905, USA.

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http://dx.doi.org/10.1016/j.radonc.2004.11.013DOI Listing
February 2005

How are hemoglobin levels affected by androgen deprivation in non-metastatic prostate cancer patients?

Can J Urol 2005 Feb;12(1):2547-52

Department of Radiation Oncology, Toronto Sunnybrook Regional Cancer Centre, University of Toronto, Toronto, Ontario, Canada.

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February 2005

An unusual case of concurrent breast and prostate cancer.

Can J Urol 2004 Oct;11(5):2390-2

Toronto Sunnybrook Regional Cancer Centre, Department of Radiation Oncology, University of Toronto, Toronto, Ontario, Canada.

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October 2004

Wide variation of prostate-specific antigen doubling time of untreated, clinically localized, low-to-intermediate grade, prostate carcinoma.

BJU Int 2004 Aug;94(3):295-8

Toronto-Sunnybrook Regional Cancer Center, University of Toronto, 2075 Bayview Avenue, Toronto, Ontario M4N 3M5, Canada.

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http://dx.doi.org/10.1111/j.1464-410X.2004.04926.xDOI Listing
August 2004

Practice patterns of Canadian urologists in the management of stage I testicular seminoma.

Can J Urol 2004 Apr;11(2):2194-9

Sunnybrook and Women's College Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada.

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April 2004

Intraindividual variation of PSA, free PSA and complexed PSA in a cohort of patients with prostate cancer managed with watchful observation.

Clin Biochem 2002 Sep;35(6):471-5

Department of Clinical Pathology, Sunnybrook and Women's College Health Sciences Centre, Toronto, Ontario, Canada.

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http://dx.doi.org/10.1016/s0009-9120(02)00345-4DOI Listing
September 2002

(IN)-efficacy of salvage radiotherapy for rising PSA or clinically isolated local recurrence after radical prostatectomy.

Int J Radiat Oncol Biol Phys 2002 Jun;53(2):269-76

Department of Radiation Oncology, Toronto Sunnybrook Regional Cancer Centre, University of Toronto, Toronto, Ontario, Canada.

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http://dx.doi.org/10.1016/s0360-3016(02)02730-xDOI Listing
June 2002

Urodynamic changes at 18 months post-therapy in patients treated with external beam radiotherapy for prostate carcinoma.

Int J Radiat Oncol Biol Phys 2002 Jun;53(2):290-6

Toronto-Sunnybrook Regional Cancer Centre, University of Toronto, Ontario, Canada.

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http://dx.doi.org/10.1016/s0360-3016(02)02726-8DOI Listing
June 2002

Expectant management with selective delayed intervention for favorable-risk prostate cancer.

Can J Urol 2002 Jun;9 Suppl 1:2-7

Toronto Sunnybrook Regional Cancer Centre, Ontario, Canada.

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June 2002

Feasibility study: watchful waiting for localized low to intermediate grade prostate carcinoma with selective delayed intervention based on prostate specific antigen, histological and/or clinical progression.

J Urol 2002 Apr;167(4):1664-9

Toronto-Sunnybrook Regional Cancer Center and Sunnybrook and Women's College Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada.

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April 2002

Survey of radiation oncologists: practice patterns of the management of stage I seminoma of testis in Canada and a selected group in the United States.

Can J Urol 2002 Apr;9(2):1479-85

Department of Radiation Oncology, Toronto-Sunnybrook Regional Cancer Centre, Toronto, Ontario, Canada.

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April 2002

Can radiotherapy salvage isolated local recurrence following radical prostatectomy?

Can J Urol 1997 Sep;4(3):395-399

Department of Radiation Oncology, University of Toronto, Toronto-Sunnybrook Regional Cancer Centre, Toronto, Ontario.

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September 1997

Survey of consecutive prostate cancer patients attending the Toronto Sunnybrook Regional Cancer Centre (TSRCC).

Can J Urol 1996 Nov;3(4):268-276

Division of Radiation Oncology, Toronto Sunnybrook Regional Cancer Centre, Toronto, Ontario.

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November 1996