Publications by authors named "Burkhard Helpap"

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Active surveillance as a therapeutic option for patients with low-risk prostate cancer according to the 2014 International Society of Urological Pathology grading system: a review.
Burkhard Helpap, Heidrun Gevensleben

Scand J Urol· February 2017

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The Value of Prognostic Grouping of Prostatic Carcinomas for Urologists and Pathologists.
Burkhard Helpap, Daniel Ringli, Jürgen Breul, Jens Tonhauser, Immanuel Poser

Urol Int· September 2016

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The Significance of Accurate Determination of Gleason Score for Therapeutic Options and Prognosis of Prostate Cancer.
Burkhard Helpap, Daniel Ringli, Jens Tonhauser, Immanuel Poser, Jürgen Breul

Pathol Oncol Res· April 2016

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Significance of Number and Localization of Positive Core Biopsies for the Identification of Prostate Cancer Eligible for Active Surveillance.
Burkhard Helpap, Daniel Ringli, Heidrun Gevensleben

Anal Quant Cytopathol Histpathol· February 2016

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Significance of Gleason grading of low-grade carcinoma of the prostate with therapeutic option of active surveillance.
Burkhard Helpap, Glen Kristiansen, Jens Köllermann, David Adler, Nicolas Wernert

Urol Int· July 2013

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The heterogeneous Gleason 7 carcinoma of the prostate: analyses of low and high grade (risk) carcinomas with criteria of the International Society of Urological Pathology (ISUP).
Burkhard Helpap, Daniel Ringli, David Adler, Nicolas Wernert, Glen Kristiansen

Pathol Res Pract· March 2013

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Combined histoarchitectural and cytological biopsy grading improves grading accuracy in low-grade prostate cancer.
Burkhard Helpap, Jens Köllermann

Int J Urol· February 2012

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Modified Gleason grading. An updated review.
Burkhard Helpap, Lars Egevad

Histol Histopathol· May 2009

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Correlation of modified Gleason grading of prostate carcinoma with age, serum prostate specific antigen and tumor extent in needle biopsy specimens.
Burkhard Helpap, Lars Egevad

Anal Quant Cytol Histol· June 2008

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Correlation of modified Gleason grading with pT stage of prostatic carcinoma after radical prostatectomy.
Burkhard Helpap, Lars Egevad

Anal Quant Cytol Histol· February 2008

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Low frequency of molecular changes and tumor recurrence in inverted papillomas of the urinary tract.
Matthias Eiber, Johanna M M van Oers, Ellen C Zwarthoff, Theo H van der Kwast, Oehler Ulrich, Burkhard Helpap

Am J Surg Pathol· June 2007

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The significance of modified Gleason grading of prostatic carcinoma in biopsy and radical prostatectomy specimens.
Burkhard Helpap, Lars Egevad

Virchows Arch· December 2006

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Impact of hormonal therapy on the detection of promoter hypermethylation of the detoxifying glutathione-S-transferase P1 gene (GSTP1) in prostate cancer.
Jens Kollermann, Carsten Kempkensteffen, Burkhard Helpap, Mark Schrader, Hans Krause

BMC Urol· June 2006

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The significance of the P504S expression pattern of high-grade prostatic intraepithelial neoplasia (HGPIN) with and without adenocarcinoma of the prostate in biopsy and radical prostatectomy specimens.
Burkhard Helpap

Virchows Arch· April 2006

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Prognosis of stage pT0 after prolonged neoadjuvant endocrine therapy of prostate cancer: a matched-pair analysis.
Jens Köllermann, Werner Hopfenmüller, Jörg Caprano, Anke Budde, Helga Weidenfeld, Burkhard Helpap

Eur Urol· January 2004

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Methylation-specific PCR for DNA-based detection of occult tumor cells in lymph nodes of prostate cancer patients.
Jens Köllermann, Markus Müller, Carsten Goessl, Hans Krause, Burkhard Helpap

Eur Urol· November 2003

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Follow-up of nondetectable prostate carcinoma (pT0) after prolonged PSA-monitored neoadjuvant hormonal therapy followed by radical prostatectomy.
Jens Köllermann, Jörg Caprano, Anke Budde, Helga Weidenfeld, Michael Weidenfeld, Burkhard Helpap

Urology· September 2003

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Molecular pathology of non-invasive urothelial carcinomas (part I).
Burkhard Helpap, Bernd J Schmitz-Dräger, Peter W Hamilton, Giovanni Muzzonigro, Andrea B Galosi

Virchows Arch· April 2003

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Morphology and therapeutic strategies for neuroendocrine tumors of the genitourinary tract.
Burkhard Helpap

Cancer· October 2002

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Fundamentals on the pathology of prostatic carcinoma after brachytherapy.
Burkhard Helpap

World J Urol· September 2002

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Nonepithelial tumor-like lesions of the prostate: a never-ending diagnostic problem.
Burkhard Helpap

Virchows Arch· September 2002

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Neuroendocrine carcinomas of the prostate and urinary bladder: a diagnostic and therapeutic challenge.
Burkhard Helpap, Günter Klöppel

Virchows Arch· March 2002

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