Credentials

Hagen Blaszyk, MD

EXPERTISE: GI and Liver Pathology, Surgical Pathology and Molecular Diagnostics.

EXPERIENCE: Director of Anatomic Pathology, SMG; Surgical Pathology Committee, College of American Pathologists; Director of Surgical Pathology, University of Vermont.

BOARD CERTIFICATION: Anatomic and Clinical Pathology, American Board of Pathology.

TRAINING: Anatomic and Clinical Pathology with subspecialty training GI and Liver Pathology (Mayo Clinic), and Molecular Oncology (Mayo Clinic).

LICENSURE: Maine, New Hampshire, Vermont, Minnesota.

ACADEMIC CREDENTIALS: Associate Professor, Pathology and Gastroenterology, University of Vermont.

PUBLICATIONS: (selected from 80+ articles in peer-reviewed journals):

1. Autoimmune liver disease: A review. Pathology Case Reviews 4:117-25 (1999).
2. Molecular defects in mucosal serotonin content and decreased serotonin reuptake transporter in ulcerative colitis and irritable bowel syndrome. Gastroenterology 126:1657-64 (2004).
3. Diseases involving intrahepatic bile ducts. Current Diag Pathol 11:7-18 (2005).
4. Hepatic copper in patients on long-term total parenteral nutrition. J Clin Gastroenterol 39:318-20 (2005).
5. Histologic variation of grade and stage of non-alcoholic fatty liver disease in liver biopsies. Obesity Surgery 15:497-501 (2005).
6. Neoplasms of the Liver and Biliary System. In: D.G. Bostwick: Essentials of Anatomic Pathology, 2nd ed., pp. 31.1-13. Humana Press, Totowa, NJ (2005).
7. Idiopathic Myointimal Hyperplasia of Mesenteric Veins: A Rare Mimic of Idiopathic Inflammatory Bowel Disease. J Clin Gastroenterol 39:704-8 (2005).
8. Benign fibroblastic polyp of the colorectum. J Clin Gastroenterol 39:778-81 (2005).
9. Esophageal Squamous Papillomatosis. Eur J Gastroenterol Hepatol 17:1233-7 (2005)
10. Seasonal pattern of onset in lymphocytic colitis. J Clin Gastroenterol 39:891-3 (2005)
11. Non-neoplastic Hepatobiliary Disease. In: D.G. Bostwick: Essentials of Anatomic Pathology, 2nd ed., pp. 30.1-29. Humana Press, Totowa, NJ (2005).
12. HSV colitis in ulcerative colitis, mimicking malignancy. Histopathology 49:316-18 (2006)
13. Variability of grade and stage in simultaneous paired liver biopsies in hepatitis C. J Clin Pathol 60:321-4 (2007).
14. Minute gastric sclerosing stromal tumors are common in adults and frequently show c-kit mutations. Am J Surg Pathol 31:113-20 (2007).
15. A multinational, internet-based assessment of observer variability in the diagnosis of serrated colorectal polyps. Am J Clin Pathol 127:938-45 (2007).