Piet Ost

Summary

Affiliation: Ghent University
Country: Belgium

Publications

  1. ncbi request reprint Short term toxicity profile for 32 sinonasal cancer patients treated with IMRT. Can we avoid dry eye syndrome?
    Filip Claus
    Division of Radiotherapy P7, Ghent University Hospital, De Pintelaan 185, 9000, Ghent, Belgium
    Radiother Oncol 64:205-8. 2002
  2. doi request reprint High-dose adjuvant radiotherapy after radical prostatectomy with or without androgen deprivation therapy
    Piet Ost
    Department of Radiotherapy, Ghent University Hospital, Ghent, Belgium
    Int J Radiat Oncol Biol Phys 83:960-5. 2012
  3. doi request reprint Delineation of the postprostatectomy prostate bed using computed tomography: interobserver variability following the EORTC delineation guidelines
    Piet Ost
    Department of Radiotherapy, Ghent University Hospital, Ghent, Belgium
    Int J Radiat Oncol Biol Phys 81:e143-9. 2011
  4. doi request reprint A comparison of the acute toxicity profile between two-dimensional and three-dimensional image-guided radiotherapy for postoperative prostate cancer
    P Ost
    Department of Radiotherapy, Ghent University Hospital, De Pintelaan 185, Ghent, Belgium
    Clin Oncol (R Coll Radiol) 23:344-9. 2011
  5. doi request reprint A matched control analysis of adjuvant and salvage high-dose postoperative intensity-modulated radiotherapy for prostate cancer
    Piet Ost
    Department of Radiotherapy, Ghent University Hospital, Belgium
    Int J Radiat Oncol Biol Phys 80:1316-22. 2011
  6. doi request reprint Volumetric arc therapy and intensity-modulated radiotherapy for primary prostate radiotherapy with simultaneous integrated boost to intraprostatic lesion with 6 and 18 MV: a planning comparison study
    Piet Ost
    Department of Radiotherapy, Ghent University Hospital, Ghent, Belgium
    Int J Radiat Oncol Biol Phys 79:920-6. 2011
  7. doi request reprint Adjuvant high-dose intensity-modulated radiotherapy after radical prostatectomy for prostate cancer: clinical results in 104 patients
    Piet Ost
    Department of Radiotherapy, Ghent University Hospital, Ghent, Belgium
    Eur Urol 56:669-75. 2009
  8. doi request reprint High-dose salvage intensity-modulated radiotherapy with or without androgen deprivation after radical prostatectomy for rising or persisting prostate-specific antigen: 5-year results
    Piet Ost
    Department of Radiotherapy, Ghent University Hospital, Belgium
    Eur Urol 60:842-9. 2011
  9. doi request reprint F-18 fluorodeoxyglucose PET/CT scanning in the diagnostic work-up of a primary pericardial mesothelioma: a case report
    Piet Ost
    Department of Radiotherapy, Ghent University Hospital, Gent, Belgium
    J Thorac Imaging 23:35-8. 2008
  10. doi request reprint Salvage intensity-modulated radiotherapy for rising PSA after radical prostatectomy
    Gert De Meerleer
    Department of Radiation Oncology, Ghent University Hospital, Belgium
    Radiother Oncol 89:205-13. 2008

Detail Information

Publications25

  1. ncbi request reprint Short term toxicity profile for 32 sinonasal cancer patients treated with IMRT. Can we avoid dry eye syndrome?
    Filip Claus
    Division of Radiotherapy P7, Ghent University Hospital, De Pintelaan 185, 9000, Ghent, Belgium
    Radiother Oncol 64:205-8. 2002
    ..Follow-up it too short to evaluate local control, optic nerve or retinal toxicity...
  2. doi request reprint High-dose adjuvant radiotherapy after radical prostatectomy with or without androgen deprivation therapy
    Piet Ost
    Department of Radiotherapy, Ghent University Hospital, Ghent, Belgium
    Int J Radiat Oncol Biol Phys 83:960-5. 2012
    ..To retrospectively evaluate the outcome and toxicity in patients receiving high-dose (>69 Gy) adjuvant radiotherapy (HD-ART) and the impact of androgen deprivation therapy (ADT)...
  3. doi request reprint Delineation of the postprostatectomy prostate bed using computed tomography: interobserver variability following the EORTC delineation guidelines
    Piet Ost
    Department of Radiotherapy, Ghent University Hospital, Ghent, Belgium
    Int J Radiat Oncol Biol Phys 81:e143-9. 2011
    ..The present study aims to assess the interobserver agreement of prostate bed delineation after radical prostatectomy using CT alone as proposed by the European Organization for Research and Treatment of Cancer (EORTC) guidelines...
  4. doi request reprint A comparison of the acute toxicity profile between two-dimensional and three-dimensional image-guided radiotherapy for postoperative prostate cancer
    P Ost
    Department of Radiotherapy, Ghent University Hospital, De Pintelaan 185, Ghent, Belgium
    Clin Oncol (R Coll Radiol) 23:344-9. 2011
    ....
  5. doi request reprint A matched control analysis of adjuvant and salvage high-dose postoperative intensity-modulated radiotherapy for prostate cancer
    Piet Ost
    Department of Radiotherapy, Ghent University Hospital, Belgium
    Int J Radiat Oncol Biol Phys 80:1316-22. 2011
    ..We performed a matched case analysis comparing high-dose adjuvant intensity modulated radiotherapy (A-IMRT) with salvage IMRT (S-IMRT)...
  6. doi request reprint Volumetric arc therapy and intensity-modulated radiotherapy for primary prostate radiotherapy with simultaneous integrated boost to intraprostatic lesion with 6 and 18 MV: a planning comparison study
    Piet Ost
    Department of Radiotherapy, Ghent University Hospital, Ghent, Belgium
    Int J Radiat Oncol Biol Phys 79:920-6. 2011
    ..Additionally, the use of 6-MV photons was compared with 18-MV photons for all techniques...
  7. doi request reprint Adjuvant high-dose intensity-modulated radiotherapy after radical prostatectomy for prostate cancer: clinical results in 104 patients
    Piet Ost
    Department of Radiotherapy, Ghent University Hospital, Ghent, Belgium
    Eur Urol 56:669-75. 2009
    ..Approximately 25% of patients treated with adjuvant radiotherapy (RT) will develop a biochemical failure within 5 yr after RT when doses of 60-64 Gray (Gy) are used...
  8. doi request reprint High-dose salvage intensity-modulated radiotherapy with or without androgen deprivation after radical prostatectomy for rising or persisting prostate-specific antigen: 5-year results
    Piet Ost
    Department of Radiotherapy, Ghent University Hospital, Belgium
    Eur Urol 60:842-9. 2011
    ..Long-term results with salvage radiotherapy (SRT) for a biochemical recurrence after radical prostatectomy (RP) are poor. It has been suggested that radiotherapy doses >70 Gy might result in improved outcome...
  9. doi request reprint F-18 fluorodeoxyglucose PET/CT scanning in the diagnostic work-up of a primary pericardial mesothelioma: a case report
    Piet Ost
    Department of Radiotherapy, Ghent University Hospital, Gent, Belgium
    J Thorac Imaging 23:35-8. 2008
    ..This is the first case describing the use of F-18 fluorodeoxyglucose-positron emission tomography/computed tomography in the diagnostic work-up of a primary pericardial mesothelioma...
  10. doi request reprint Salvage intensity-modulated radiotherapy for rising PSA after radical prostatectomy
    Gert De Meerleer
    Department of Radiation Oncology, Ghent University Hospital, Belgium
    Radiother Oncol 89:205-13. 2008
    ....
  11. ncbi request reprint Postoperative intensity-modulated radiotherapy in sinonasal carcinoma: clinical results in 39 patients
    Wim Duthoy
    Department of Radiotherapy, Ghent University Hospital, Ghent, Belgium
    Cancer 104:71-82. 2005
    ..Intensity-modulated radiotherapy (IMRT) is a relatively new technique, which is implemented with the hypothesis that, compared with conventional RT, it would result in a lower rate of ocular toxicity for an equal local control (LC)...
  12. doi request reprint Developments in external beam radiotherapy for prostate cancer
    Nicolaas Lumen
    Department of Urology, Ghent University Hospital, Ghent, Belgium
    Urology 82:5-10. 2013
    ..The aim of this review is to provide the physician involved in the treatment of PC an overview of the current indications of EBRT, to focus on some recent developments in EBRT, and to highlight promising new indications for EBRT. ..
  13. doi request reprint Salvage stereotactic body radiotherapy for patients with limited prostate cancer metastases: deferring androgen deprivation therapy
    Patrick Berkovic
    Department of Radiotherapy, Ghent University Hospital, Ghent, Belgium
    Clin Genitourin Cancer 11:27-32. 2013
    ..We investigated whether repeated stereotactic body radiotherapy (SBRT) of oligometastatic disease is able to defer the initiation of palliative androgen deprivation therapy (ADT) in patients with low-volume bone and lymph node metastases...
  14. doi request reprint Acute radiation-induced nocturia in prostate cancer patients is associated with pretreatment symptoms, radical prostatectomy, and genetic markers in the TGFβ1 gene
    Sofie De Langhe
    Department of Basic Medical Sciences, Ghent University, Gent, Belgium
    Int J Radiat Oncol Biol Phys 85:393-9. 2013
    ..In this study, we investigated the association among dosimetric, clinical, and TGFβ1 polymorphisms and the development of acute radiation-induced nocturia in prostate cancer patients...
  15. doi request reprint Improving positioning in high-dose radiotherapy for prostate cancer: safety and visibility of frequently used gold fiducial markers
    Valerie Fonteyne
    Department of Radiotherapy, Ghent University Hospital, Ghent, Belgium
    Int J Radiat Oncol Biol Phys 83:46-52. 2012
    ....
  16. doi request reprint Hypofractionated frameless stereotactic intensity-modulated radiotherapy with whole brain radiotherapy for the treatment of 1-3 brain metastases
    Bruno De Potter
    Department of Radiotherapy, Ghent University Hospital, De Pintelaan 185, 9000 Ghent, Belgium
    Neurol Sci 34:647-53. 2013
    ..The 1-year actuarial local and distant brain control was 66 and 75 %, respectively. WBRT + HSRT is an effective treatment for patients with up to three brain metastases...
  17. doi request reprint Whole abdominopelvic radiotherapy using intensity-modulated arc therapy in the palliative treatment of chemotherapy-resistant ovarian cancer with bulky peritoneal disease: a single-institution experience
    Gert De Meerleer
    Department of Radiotherapy, Ghent University Hospital, Ghent, Belgium
    Int J Radiat Oncol Biol Phys 79:775-81. 2011
    ..To retrospectively review our experience with whole abdominopelvic radiotherapy (WAPRT) using intensity-modulated arc therapy in the palliative treatment of chemotherapy-resistant ovarian cancer with bulky peritoneal disease...
  18. doi request reprint Prognostic factors influencing prostate cancer-specific survival in non-castrate patients with metastatic prostate cancer
    Piet Ost
    Department of Radiation Oncology, Ghent University Hospital, Ghent, Belgium
    Prostate 74:297-305. 2014
    ..In non-castrate prostate cancer (PCa), the prognostic value of the number of metastases on prostate cancer-specific survival (PCSS) is not well studied...
  19. doi request reprint Population screening for prostate cancer: an overview of available studies and meta-analysis
    Nicolaas Lumen
    Departments of Urology, Ghent University Hospital, Ghent, Belgium
    Int J Urol 19:100-8. 2012
    ..Excluding the main shortcomings in screening studies (short follow up, high prostate-specific antigen contamination in non-screening group and low participation in screening group), screening is able to reduce prostate cancer mortality...
  20. doi request reprint Early biomarkers related to secondary primary cancer risk in radiotherapy treated prostate cancer patients: IMRT versus IMAT
    Joke Werbrouck
    Department of Basic Medical Sciences, Ghent University, Gent, Belgium
    Radiother Oncol 107:377-81. 2013
    ....
  21. doi request reprint Evaluation of the efficacy and safety of Salvia officinalis in controlling hot flashes in prostate cancer patients treated with androgen deprivation
    Katrien Vandecasteele
    Department of Radiation Oncology, Ghent University Hospital, Ghent, Belgium
    Phytother Res 26:208-13. 2012
    ..This was maintained during treatment. There was no effect on QOL. There were no side effects. It is concluded that Salvia officinalis is efficient and safe in the treatment hot flashes, without improving QOL...
  22. doi request reprint Analysis of prostate bed motion using daily cone-beam computed tomography during postprostatectomy radiotherapy
    Piet Ost
    Department of Radiotherapy, Ghent University Hospital, Ghent, Belgium
    Int J Radiat Oncol Biol Phys 79:188-94. 2011
    ..The role of an adaptive radiotherapy schedule (ART) was investigated...
  23. ncbi request reprint Postoperative radiotherapy for adenocarcinoma of the ethmoid sinuses: treatment results for 47 patients
    Filip Claus
    Division of Radiotherapy P7, Ghent University Hospital, De Pintelaan 185, 9000 Ghent, Belgium
    Int J Radiat Oncol Biol Phys 54:1089-94. 2002
    ..This study reports on the treatment outcome of 47 patients diagnosed with adenocarcinoma of the ethmoid sinuses and treated with surgery and high-dose postoperative radiation therapy...
  24. pmc Clinical results after high-dose intensity-modulated radiotherapy for high-risk prostate cancer
    Valerie Fonteyne
    Department of Radiotherapy, Ghent University Hospital, 9000 Ghent, Belgium
    Adv Urol 2012:368528. 2012
    ..AD was a significant predictor of bRFS (P = 0.001) and cRFS (P = 0.01). Conclusion. High-dose IMRT and AD for high-risk PC offers excellent biochemical and clinical control with low toxicity...
  25. ncbi request reprint An immobilized antibody targeting N-cadherin facilitates spread of N-cadherin-positive tumour cells
    Danielle Maes
    Department of Radiation Oncology and Experimental Cancer Research, Ghent University Hospital, De Pintelaan 185, B 9000, Gent, Belgium pie
    Anticancer Res 32:4755-7. 2012
    ..We investigated whether an antibody targeting N-cadherin facilitates the adhesion and spreading of N-cadherin-positive tumour cells under static conditions...