Geoffrey A Porter

Summary

Affiliation: Dalhousie University
Country: Canada

Publications

  1. ncbi request reprint Cost-effectiveness of pulmonary resection and systemic chemotherapy in the management of metastatic soft tissue sarcoma: a combined analysis from the University of Texas M. D. Anderson and Memorial Sloan-Kettering Cancer Centers
    Geoffrey A Porter
    Dalhousie University, Halifax, Nova Scotia, Canada
    J Thorac Cardiovasc Surg 127:1366-72. 2004
  2. doi request reprint Improving nodal harvest in colorectal cancer: so what?
    Geoffrey A Porter
    Department of Surgery, QEII Health Sciences Centre, Dalhousie University, Halifax, NS, Canada
    Ann Surg Oncol 19:1066-73. 2012
  3. ncbi request reprint Access to care and satisfaction in colorectal cancer patients
    Geoffrey A Porter
    Department of Surgery, Dalhousie University, 7 007 Victoria Building, QEII Health Sciences Center, 1278 Tower Road, Halifax, Nova Scotia B3H 2Y9, Canada
    World J Surg 29:1444-51. 2005
  4. ncbi request reprint Effect of obesity on presentation of breast cancer
    Geoffrey A Porter
    Department of Surgery, Dalhousie University, Queen Elizabeth II Health Sciences Center, 7 007 Victoria Building, 1278 Tower Road, Halifax, Nova Scotia, B3H 2Y9, Canada
    Ann Surg Oncol 13:327-32. 2006
  5. ncbi request reprint Retroperitoneal sarcoma: a population-based analysis of epidemiology, surgery, and radiotherapy
    Geoffrey A Porter
    Department of Surgery, Dalhousie University, Halifax, Nova Scotia, Canada
    Cancer 106:1610-6. 2006
  6. ncbi request reprint Practice patterns in breast cancer surgery: Canadian perspective
    Geoffrey A Porter
    Department of Surgery, Dalhousie University, Cancer Care Nova Scotia, Halifax, Nova Scotia, Canada
    World J Surg 28:80-6. 2004
  7. ncbi request reprint Emerging patterns of practice in the implementation and application of sentinel lymph node biopsy in breast cancer patients in Canada
    Geoffrey A Porter
    Department of Surgery, 7 007 Victoria Building, QEII Health Sciences Center, Halifax, Nova Scotia, Canada
    J Surg Oncol 83:62-4. 2003
  8. pmc The impact of audit and feedback on nodal harvest in colorectal cancer
    Geoffrey A Porter
    Department of Surgery, Dalhousie University and QEII Health Sciences Centre, Halifax, Nova Scotia, Canada
    BMC Cancer 11:2. 2011
  9. ncbi request reprint Sentinel lymph node biopsy in breast cancer: Canadian practice patterns
    Geoffrey A Porter
    Department of Surgery, Dalhousie University, Halifax, Nova Scotia, Canada
    Ann Surg Oncol 10:255-60. 2003
  10. pmc How do surgeons decide to refer patients for adjuvant cancer treatment? Protocol for a qualitative study
    Robin Urquhart
    Cancer Outcomes Research Program, Cancer Care Nova Scotia, Halifax, Nova Scotia, Canada
    Implement Sci 7:102. 2012

Collaborators

Detail Information

Publications32

  1. ncbi request reprint Cost-effectiveness of pulmonary resection and systemic chemotherapy in the management of metastatic soft tissue sarcoma: a combined analysis from the University of Texas M. D. Anderson and Memorial Sloan-Kettering Cancer Centers
    Geoffrey A Porter
    Dalhousie University, Halifax, Nova Scotia, Canada
    J Thorac Cardiovasc Surg 127:1366-72. 2004
    ..We sought to determine the cost-effectiveness of different treatment strategies for patients with pulmonary metastases from soft tissue sarcoma...
  2. doi request reprint Improving nodal harvest in colorectal cancer: so what?
    Geoffrey A Porter
    Department of Surgery, QEII Health Sciences Centre, Dalhousie University, Halifax, NS, Canada
    Ann Surg Oncol 19:1066-73. 2012
    ..The goal of this current study is to evaluate the impact of improved adequate nodal harvest on 3 relevant clinical outcomes: node positivity rate, use of adjuvant chemotherapy, and survival...
  3. ncbi request reprint Access to care and satisfaction in colorectal cancer patients
    Geoffrey A Porter
    Department of Surgery, Dalhousie University, 7 007 Victoria Building, QEII Health Sciences Center, 1278 Tower Road, Halifax, Nova Scotia B3H 2Y9, Canada
    World J Surg 29:1444-51. 2005
    ..Interventions which improve the timeliness of specific components of access to care may not necessarily result in improved patient satisfaction...
  4. ncbi request reprint Effect of obesity on presentation of breast cancer
    Geoffrey A Porter
    Department of Surgery, Dalhousie University, Queen Elizabeth II Health Sciences Center, 7 007 Victoria Building, 1278 Tower Road, Halifax, Nova Scotia, B3H 2Y9, Canada
    Ann Surg Oncol 13:327-32. 2006
    ..The objective of this study was to examine the effect of obesity on the presentation and pathologic staging of IBC...
  5. ncbi request reprint Retroperitoneal sarcoma: a population-based analysis of epidemiology, surgery, and radiotherapy
    Geoffrey A Porter
    Department of Surgery, Dalhousie University, Halifax, Nova Scotia, Canada
    Cancer 106:1610-6. 2006
    ..The objective of this study was to examine the incidence and treatment of RPS, specifically regarding the use of adjuvant radiotherapy...
  6. ncbi request reprint Practice patterns in breast cancer surgery: Canadian perspective
    Geoffrey A Porter
    Department of Surgery, Dalhousie University, Cancer Care Nova Scotia, Halifax, Nova Scotia, Canada
    World J Surg 28:80-6. 2004
    ..Although variability regarding specific surgical issues was found among subgroups of surgeons, the majority of respondents felt that most general surgeons should treat breast cancer...
  7. ncbi request reprint Emerging patterns of practice in the implementation and application of sentinel lymph node biopsy in breast cancer patients in Canada
    Geoffrey A Porter
    Department of Surgery, 7 007 Victoria Building, QEII Health Sciences Center, Halifax, Nova Scotia, Canada
    J Surg Oncol 83:62-4. 2003
  8. pmc The impact of audit and feedback on nodal harvest in colorectal cancer
    Geoffrey A Porter
    Department of Surgery, Dalhousie University and QEII Health Sciences Centre, Halifax, Nova Scotia, Canada
    BMC Cancer 11:2. 2011
    ..The goal of this current study was to identify factors associated with adequate nodal harvest, and specifically to examine the impact of the audit and feedback strategy on nodal harvest...
  9. ncbi request reprint Sentinel lymph node biopsy in breast cancer: Canadian practice patterns
    Geoffrey A Porter
    Department of Surgery, Dalhousie University, Halifax, Nova Scotia, Canada
    Ann Surg Oncol 10:255-60. 2003
    ..We sought to describe SLNBx practice patterns in Canada, as well as criteria for abandonment of concurrent axillary lymph node dissection...
  10. pmc How do surgeons decide to refer patients for adjuvant cancer treatment? Protocol for a qualitative study
    Robin Urquhart
    Cancer Outcomes Research Program, Cancer Care Nova Scotia, Halifax, Nova Scotia, Canada
    Implement Sci 7:102. 2012
    ..This study will use qualitative methods to examine decision-making processes related to referral to oncology services for individuals diagnosed with potentially curable non-small cell lung, breast, or colorectal cancer...
  11. doi request reprint A polymorphic variant of the insulin-like growth factor type I receptor gene modifies risk of obesity for esophageal adenocarcinoma
    Kimberley MacDonald
    Department of Pathology Division of Molecular Pathology and Molecular Genetics, Dalhousie University, NS, Canada
    Cancer Epidemiol 33:37-40. 2009
    ....
  12. ncbi request reprint Genetic polymorphisms of microsomal epoxide hydroxylase and glutathione S-transferases M1, T1 and P1, interactions with smoking, and risk for esophageal (Barrett) adenocarcinoma
    Alan G Casson
    Department of Surgery, University of Saskatchewan, Royal University Hospital, Saskatoon, Sask, Canada
    Cancer Detect Prev 30:423-31. 2006
    ....
  13. ncbi request reprint Cyclin D1 polymorphism (G870A) and risk for esophageal adenocarcinoma
    Alan G Casson
    Department of Surgery, Division of Thoracic Surgery, Dalhousie University, Halifax, Nova Scotia, Canada
    Cancer 104:730-9. 2005
    ....
  14. ncbi request reprint Selective cyclooxygenase-2 inhibition suppresses basic fibroblast growth factor expression in human esophageal adenocarcinoma
    Mark Baguma-Nibasheka
    Department of Physiology and Biophysics, Faculty of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada
    Mol Carcinog 46:971-80. 2007
    ..These findings indicate that the antitumor effects of COX-2 inhibition in EADC cells may be mediated via suppression of FGF-2, and that COX-2 may be a clinically relevant molecular marker in the management of human EADC...
  15. doi request reprint Regulation of CDX2 expression in esophageal adenocarcinoma
    Nadine Vaninetti
    Department of Pathology, Dalhousie University, Halifax, NS, Canada
    Mol Carcinog 48:965-74. 2009
    ..The observed synergistic effect of NO on the efficacy of bile acid-induction of CDX2 suggests a novel role for NO in modulating the development of the Barrett phenotype and esophageal adenocarcinogenesis...
  16. ncbi request reprint Inducible nitric oxide synthase, nitrotyrosine and p53 mutations in the molecular pathogenesis of Barrett's esophagus and esophageal adenocarcinoma
    Nadine M Vaninetti
    Department of Pathology, Dalhousie University, Halifax, Nova Scotia, Canada
    Mol Carcinog 47:275-85. 2008
    ....
  17. ncbi request reprint Alternative splicing of the FGF antisense gene: differential subcellular localization in human tissues and esophageal adenocarcinoma
    Shuo Cheng Zhang
    Department of Physiology and Biophysics, Faculty of Medicine, Dalhousie University, Halifax, Canada
    J Mol Med (Berl) 85:1215-28. 2007
    ..Our data implicate the FGF-AS b isoform in modulation of FGF-2 expression and clinical outcome in esophageal adenocarcinoma...
  18. ncbi request reprint Polymorphisms in DNA repair genes in the molecular pathogenesis of esophageal (Barrett) adenocarcinoma
    Alan G Casson
    Department of Surgery, Dalhousie University, Halifax, Nova Scotia, Canada
    Carcinogenesis 26:1536-41. 2005
    ..As GERD and BE are highly prevalent in the general population, this protective effect may well explain why only a fraction of individuals with GERD and BE progress into invasive EADC...
  19. doi request reprint Examining stage IIB survival in a population-based cohort of patients with colorectal cancer
    Robin Urquhart
    Cancer Outcomes Research Program, Cancer Care Nova Scotia, Halifax, Nova Scotia, Canada
    Cancer 118:5973-81. 2012
    ..This study sought to examine factors contributing to the observed stage IIB outcome, specifically nodal harvest, receipt of chemotherapy, and use of a new coding system to derive stage...
  20. ncbi request reprint Microsatellite instability in esophageal adenocarcinoma
    Susan C Evans
    Department of Pathology, Division of Molecular Pathology and Molecular Genetics, Halifax, Canada
    Cancer Lett 212:241-51. 2004
    ..In conclusion, the finding of low levels of MSI in most tumors suggests an inherent baseline genomic instability, and potentially increased susceptibility to mutations during the progression of esophageal adenocarcinoma...
  21. ncbi request reprint Ten years of breast screening in the Nova Scotia Breast Screening Program, 1991-2001. experience: use of an adaptable stereotactic device in the diagnosis of screening-detected abnormalities
    Judy S Caines
    Department of Radiology, Queen Elizabeth II Health Sciences Centre, and Faculty of Medicine, Dalhousie University, Nova Scotia Breast Screening Program, Halifax, NS
    Can Assoc Radiol J 56:82-93. 2005
    ..To evaluate and present 10-year outcomes of the Nova Scotia Breast Screening Program (NSBSP), a population-based screening program in the province of Nova Scotia, Canada, total population 900 000...
  22. ncbi request reprint Basic fibroblast growth factor (FGF-2) overexpression is a risk factor for esophageal cancer recurrence and reduced survival, which is ameliorated by coexpression of the FGF-2 antisense gene
    Christie Barclay
    Department of Physiology, Dalhousie University, Halifax, Nova Scotia, Canada
    Clin Cancer Res 11:7683-91. 2005
    ..The aim of this study was to characterize FGF-2 and FGF-AS in esophageal cancer and to correlate their expression with clinicopathologic findings and outcome...
  23. pmc Factors influencing waiting times for elective laparoscopic cholecystectomy
    Richard Lau
    Department of Surgery, Dalhousie University, Halifax, Nova Scotia, Canada
    Can J Surg 50:34-8. 2007
    ..The objective of this study was to examine the impact of demographic and clinical factors and surgeon volume on waiting times for laparoscopic cholecystectomy (LC)...
  24. pmc Quantifying limitations in chemotherapy data in administrative health databases: implications for measuring the quality of colorectal cancer care
    Robin Urquhart
    Knowledge Broker, Cancer Outcomes Research Program, Cancer Care Nova Scotia, Halifax, NS
    Healthc Policy 7:32-40. 2011
    ..The results demonstrate that even basic information on cancer treatment in administrative databases can be insufficient to perform the types of analyses that most decision-makers require for quality-of-care measurement...
  25. ncbi request reprint Clinical implications of p53 tumor suppressor gene mutation and protein expression in esophageal adenocarcinomas: results of a ten-year prospective study
    Alan G Casson
    Departments of Surgery, Pathology, and Community Health and Epidemiology, Dalhousie University, Halifax, Nova Scotia, Canada
    J Thorac Cardiovasc Surg 125:1121-31. 2003
    ....
  26. ncbi request reprint Emergency room presentation of colorectal cancer: a consecutive cohort study
    Alex D Mitchell
    Division of General Surgery, Dalhousie University, Halifax, NS, Canada
    Ann Surg Oncol 14:1099-104. 2007
    ..Emergency room presentation (ERP) in colorectal cancer (CRC) is associated with worse cancer-related outcomes. The goal of this study was to determine the frequency of ERP and identify factors associated with ERP of CRC...
  27. pmc Exploring the interpersonal-, organization-, and system-level factors that influence the implementation and use of an innovation-synoptic reporting-in cancer care
    Robin Urquhart
    Cancer Outcomes Research Program, Cancer Care Nova Scotia, Victoria Building, QEII Health Sciences Center, 1276 South Park Street, Halifax, Nova Scotia, Canada
    Implement Sci 7:12. 2012
    ..The objective of this study is to examine the key interpersonal, organizational, and system-level factors that influence the implementation and use of synoptic reporting in cancer care...
  28. doi request reprint Reflections on knowledge brokering within a multidisciplinary research team
    Robin Urquhart
    Cancer Outcomes Research Program, Cancer Care Nova Scotia, Halifax, NS B3H 2Y9
    J Contin Educ Health Prof 31:283-90. 2011
    ..KB roles will undoubtedly differ across contexts. However, descriptive assessments can help others determine whether such an approach could be valuable for their research programs and, if so, what to expect during the process...
  29. pmc A phase II experience with neoadjuvant irinotecan (CPT-11), 5-fluorouracil (5-FU) and leucovorin (LV) for colorectal liver metastases
    Oliver F Bathe
    Department of Surgery, University of Calgary, Calgary, Canada
    BMC Cancer 9:156. 2009
    ..Neoadjuvant chemotherapy may help identify patients with occult extrahepatic disease (averting unnecessary metastasectomy), and it provides in vivo chemosensitivity data...
  30. ncbi request reprint Ductal carcinoma in situ in core biopsies containing invasive breast cancer: correlation with extensive intraductal component and lumpectomy margins
    Martin Dzierzanowski
    Department of General Surgery, QEII Health Sciences Centre, Dalhousie University, Halifax, Nova Scotia, Canada
    J Surg Oncol 90:71-6. 2005
    ..The objective of this study was to examine the implications of DCIS found in the original CB, specifically related to the risk of EIC and/or positive lumpectomy margins...
  31. ncbi request reprint Cost-effectiveness of staging computed tomography of the chest in patients with T2 soft tissue sarcomas
    Geoffrey A Porter
    Multidisciplinary Sarcoma Center, The University of Texas M D Anderson Cancer Center, Houston, Texas, USA
    Cancer 94:197-204. 2002
    ....
  32. ncbi request reprint Presence of the human leukocyte antigen class II gene DRB1*1101 predicts interferon gamma levels and disease recurrence in melanoma patients
    Jeffrey E Lee
    Department of Surgical Oncology, The University of Texas M D Anderson Cancer Center, Houston 77030, USA
    Ann Surg Oncol 9:587-93. 2002
    ..Human leukocyte antigen (HLA) class II genes can regulate cytokine production; we investigated whether these genes would predict IFN-gamma levels and recurrence in melanoma patients...