Hagen Blaszyk

Summary

Affiliation: University of Vermont
Country: USA

Publications

  1. ncbi request reprint Cancer of unknown primary: clinicopathologic correlations
    Hagen Blaszyk
    Mayo Clinic and Foundation, Rochester, MN, USA
    APMIS 111:1089-94. 2003
  2. ncbi request reprint Hepatic copper in patients receiving long-term total parenteral nutrition
    Hagen Blaszyk
    Department of Pathology, University of Vermont College of Medicine, Burlington, VT 05401, USA
    J Clin Gastroenterol 39:318-20. 2005
  3. ncbi request reprint Urothelial carcinoma of the upper urinary tract: inverted growth pattern is predictive of microsatellite instability
    Arndt Hartmann
    Department of Laboratory Medicine and Pathology, Mayo Clinic and Foundation, Rochester, MN, USA
    Hum Pathol 34:222-7. 2003
  4. pmc Mucosal serotonin signaling is altered in chronic constipation but not in opiate-induced constipation
    Meagan M Costedio
    Department of Surgery, University of Vermont College of Medicine, Burlington, Vermont 05405, USA
    Am J Gastroenterol 105:1173-80. 2010
  5. ncbi request reprint MIB-1 and MCM-2 immunohistochemical analysis does not aid in identification of serrated colorectal polyps with abnormal proliferation
    David Gray
    Department of Pathology, University of Vermont College of Medicine, Burlington 05405, USA
    Am J Clin Pathol 125:407-12. 2006
  6. ncbi request reprint Esophageal squamous papillomatosis
    Patricia C Kao
    Department of Internal Medicine, University of Vermont College of Medicine, Burlington, 05405, USA
    Eur J Gastroenterol Hepatol 17:1233-7. 2005
  7. ncbi request reprint Focal myointimal hyperplasia of mesenteric veins is associated with previous trauma in surgical specimens
    Jessica Sherman
    Department of Pathology, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, VT 05405, USA
    Pathol Res Pract 202:517-22. 2006
  8. ncbi request reprint Benign fibroblastic polyp of the colorectum
    Alexandra N Kalof
    Department of Pathology, University of Vermont College of Medicine, Burlington, VT 05405, USA
    J Clin Gastroenterol 39:778-81. 2005
  9. pmc Variability of grade and stage in simultaneous paired liver biopsies in patients with hepatitis C
    Silvia Skripenova
    Department of Pathology, University of Vermont College of Medicine, Burlington, Vermont, USA
    J Clin Pathol 60:321-4. 2007
  10. ncbi request reprint Interobserver agreement on what constitutes visceral pleural invasion by non-small cell lung carcinoma: an internet-based assessment of international current practices
    Kelly J Butnor
    Department of Pathology, University of Vermont Fletcher Allen Health Care, Burlington, VT 05401, USA
    Am J Clin Pathol 128:638-47. 2007

Collaborators

Detail Information

Publications24

  1. ncbi request reprint Cancer of unknown primary: clinicopathologic correlations
    Hagen Blaszyk
    Mayo Clinic and Foundation, Rochester, MN, USA
    APMIS 111:1089-94. 2003
    ..Our findings show that (1) autopsy studies provide a valuable tool for quality control in the setting of CUP, and (2) treated patients have a small but significant survival benefit...
  2. ncbi request reprint Hepatic copper in patients receiving long-term total parenteral nutrition
    Hagen Blaszyk
    Department of Pathology, University of Vermont College of Medicine, Burlington, VT 05401, USA
    J Clin Gastroenterol 39:318-20. 2005
    ..To assess the possibility of iatrogenic hepatic copper overload in adult patients on long-term total parenteral nutrition (TPN)...
  3. ncbi request reprint Urothelial carcinoma of the upper urinary tract: inverted growth pattern is predictive of microsatellite instability
    Arndt Hartmann
    Department of Laboratory Medicine and Pathology, Mayo Clinic and Foundation, Rochester, MN, USA
    Hum Pathol 34:222-7. 2003
    ..82. Inverted growth in urothelial carcinomas of the upper urinary tract may serve as a marker lesion for MSI and may help identify patients who should be offered testing for HNPCC...
  4. pmc Mucosal serotonin signaling is altered in chronic constipation but not in opiate-induced constipation
    Meagan M Costedio
    Department of Surgery, University of Vermont College of Medicine, Burlington, Vermont 05405, USA
    Am J Gastroenterol 105:1173-80. 2010
    ..This study was undertaken to determine whether chronic constipation (CC) is associated with disordered 5-HT signaling and to evaluate whether constipation caused by opiate use causes such changes...
  5. ncbi request reprint MIB-1 and MCM-2 immunohistochemical analysis does not aid in identification of serrated colorectal polyps with abnormal proliferation
    David Gray
    Department of Pathology, University of Vermont College of Medicine, Burlington 05405, USA
    Am J Clin Pathol 125:407-12. 2006
    ....
  6. ncbi request reprint Esophageal squamous papillomatosis
    Patricia C Kao
    Department of Internal Medicine, University of Vermont College of Medicine, Burlington, 05405, USA
    Eur J Gastroenterol Hepatol 17:1233-7. 2005
    ..This case illustrates the difficulties in clinical management and establishing a definite etiology in esophageal squamous papillomatosis...
  7. ncbi request reprint Focal myointimal hyperplasia of mesenteric veins is associated with previous trauma in surgical specimens
    Jessica Sherman
    Department of Pathology, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, VT 05405, USA
    Pathol Res Pract 202:517-22. 2006
    ....
  8. ncbi request reprint Benign fibroblastic polyp of the colorectum
    Alexandra N Kalof
    Department of Pathology, University of Vermont College of Medicine, Burlington, VT 05405, USA
    J Clin Gastroenterol 39:778-81. 2005
    ..We present the clinicopathologic features, endoscopic appearance, and ultrastructure of a newly described mesenchymal polyp of the colorectum, termed benign fibroblastic polyp...
  9. pmc Variability of grade and stage in simultaneous paired liver biopsies in patients with hepatitis C
    Silvia Skripenova
    Department of Pathology, University of Vermont College of Medicine, Burlington, Vermont, USA
    J Clin Pathol 60:321-4. 2007
    ..Spatial disease variability relative to markers of the adequacy of biopsy has not been studied previously...
  10. ncbi request reprint Interobserver agreement on what constitutes visceral pleural invasion by non-small cell lung carcinoma: an internet-based assessment of international current practices
    Kelly J Butnor
    Department of Pathology, University of Vermont Fletcher Allen Health Care, Burlington, VT 05401, USA
    Am J Clin Pathol 128:638-47. 2007
    ..However, the formation of internationally recognized guidelines for assessing VPI by NSCLC is likely to improve diagnostic consensus...
  11. ncbi request reprint Catastrophic Clostridium difficile enteritis in a pelvic pouch patient: report of a case
    Michael J Wood
    Department of Surgery, University of Vermont College of Medicine, Fletcher Allen Health Care, Burlington, VT 05401, USA
    J Gastrointest Surg 12:350-2. 2008
    ..In recent years, Clostridium difficile-associated infection has emerged as an increasingly problematic entity. More virulent strains have been isolated and new manifestations of the infection have been described...
  12. ncbi request reprint Seasonal pattern of onset in lymphocytic colitis
    P Rocco Lasala
    Department of Pathology, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, VT 05405, USA
    J Clin Gastroenterol 39:891-3. 2005
    ..Our observations may support a potential link to an infectious source in lymphocytic colitis...
  13. ncbi request reprint The effect of tissue fixation and processing on breast cancer size
    Bobbi Pritt
    Department of Pathology, University of Vermont College of Medicine, Burlington, VT 05405, USA
    Hum Pathol 36:756-60. 2005
    ..One can arguably measure the size of an invasive breast cancer from either the fresh or fixed state without affecting accuracy, but caution should be exercised in relying solely on the microscopic measurements...
  14. ncbi request reprint Idiopathic myointimal hyperplasia of mesenteric veins: a rare mimic of idiopathic inflammatory bowel disease
    Patricia C Kao
    Department of Internal Medicine, University of Vermont College of Medicine, Burlington, VT 05405, USA
    J Clin Gastroenterol 39:704-8. 2005
    ..We report a case of IMHMV, illustrate endoscopic and histopathologic features, and review key characteristics of this rare entity...
  15. ncbi request reprint Molecular defects in mucosal serotonin content and decreased serotonin reuptake transporter in ulcerative colitis and irritable bowel syndrome
    Matthew D Coates
    Department of Anatomy and Neurobiology, University of Vermont College of Medicine, Burlington, VT 05405, USA
    Gastroenterology 126:1657-64. 2004
    ..Our aim was to test whether enteric 5-HT signaling is defective in these disorders...
  16. ncbi request reprint Upper tract urothelial carcinoma: a clinicopathologic study including microsatellite instability analysis
    Hagen Blaszyk
    Department of Laboratory Medicine and Pathology, Mayo Clinic and Foundation, Rochester, Minnesota, USA
    Mod Pathol 15:790-7. 2002
    ....
  17. ncbi request reprint Expression of Wnt-signaling pathway proteins in intraductal papillary mucinous neoplasms of the pancreas: a tissue microarray analysis
    Runjan Chetty
    Department of Pathology, University Health Network Toronto Medical Laboratories, University of Toronto, Ontario, Canada
    Hum Pathol 37:212-7. 2006
    ..These findings suggest that a proportion of cases of IPMN may show abnormalities in the Wnt-signaling pathway with consequent altered expression of downstream related proteins...
  18. ncbi request reprint Idiopathic myointimal hyperplasia of the mesenteric veins: a rare diagnostic pitfall
    Hagen Blaszyk
    Am J Gastroenterol 100:1423-4. 2005
  19. ncbi request reprint Multitarget FISH and LOH analyses at chromosome 3p in non-small cell lung cancer and adjacent bronchial epithelium
    Matthias Woenckhaus
    Department of Pathology, University of Regensburg, Germany
    Am J Clin Pathol 123:752-61. 2005
    ..Multicolor FISH analysis is able to detect a tumor-associated molecular field effect in bronchi adjacent to NSCLC...
  20. ncbi request reprint Gene expression profiling of colorectal cancer and metastases divides tumours according to their clinicopathological stage
    Astrid Koehler
    Department of Pathology, University of Regensburg, Germany
    J Pathol 204:65-74. 2004
    ..These genes may represent important targets in colorectal carcinogenesis and might provide useful clinicopathological tools in the management of colorectal cancer...
  21. pmc Nuclear and cytoplasmic Maspin expression in primary non-small cell lung cancer
    Matthias Woenckhaus
    Institute of Pathology, University of Regensburg, Regensburg, Germany
    J Clin Pathol 60:483-6. 2007
    ..To investigate whether nuclear and cytoplasmic Maspin expression is associated with distinct clinicopathological parameters and TP53 expression in a representative series of primary non-small cell lung cancer (NSCLC)...
  22. ncbi request reprint High-throughput tissue microarray analysis of COX2 expression in urinary bladder cancer
    Peter J Wild
    Institute of Pathology, University of Regensburg, Regensburg D 93053, Germany
    Int J Oncol 27:385-91. 2005
    ..Expression of COX2 is common in advanced BC with poor prognostic characteristics, supporting efforts to initiate clinical trials on the efficacy of COX2 inhibitors in the adjuvant treatment of high-risk urinary BC...
  23. ncbi request reprint Microsatellite instability at chromosome 8p in non-small cell lung cancer is associated with lymph node metastasis and squamous differentiation
    Matthias Woenckhaus
    Department of Pathology, University of Regensburg, Regensburg, Germany
    Int J Oncol 23:1357-63. 2003
    ..The tetranucleotide marker panel used in this study was able to indicate lymph node metastasis and high risk disease in patients with resectable squamous cell lung cancer...
  24. ncbi request reprint Distinct secreted Frizzled receptor protein 1 staining pattern in patients with hyperplastic polyposis coli syndrome
    Barbara I Oberschmid
    Institute of Pathology, University of Regensburg, Germany
    Arch Pathol Lab Med 128:967-73. 2004
    ..Hypermethylation of the secreted Frizzled receptor protein 1 gene on chromosome 8p12 is one of the earliest molecular alterations in colorectal carcinogenesis, potentially disrupting the Wnt signaling cascade of cellular growth control...