HagenBlaszykMD

Gastrointestinal & Hepatobiliary Pathology, Molecular Genetics, Anatomic Pathology, Surgical Pathology

CEO and President, K9s on The Front Line; nonprofit organization providing free, fully trained PTSD service dogs to combat Veterans

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Office
22 Bramhall St
Portland, ME 04102
Phone+1 207-662-2927
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Summary

K9sOTFL

K9s on The Front Line is a 501(c)(3) nonprofit organization based in Portland, Maine. Our experienced team supplies fully trained PTSD service dogs at no cost t

Education & Training

Mayo Clinic College of Medicine and Science (Rochester)Residency, Pathology-Anatomic and Clinical, 1996 - 2000
Friedrich-Schiller-Universität JenaClass of 1992

Certifications & Licensure

NH State Medical License 2007 - 2025
ME State Medical License 2007 - 2024
MA State Medical License 2011 - 2022
VT State Medical License 2002 - 2020
MN State Medical License 1998 - 2020
American Board of Pathology Anatomic Pathology & Clinical Pathology

Publications & Presentations

PubMed

17 citations
Systemic and cardiac susceptibility of immune compromised mice to doxorubicin.
Amanda J. Favreau-Lessard, Hagen Blaszyk, Michael A. Jones, Douglas B. Sawyer, Ilka Pinz> ;Cardio-Oncology. 2019 Apr 25
36 citations
Expression and function of ABCG2 and XIAP in glioblastomas.
Ivette F. Emery, Archana Gopalan, Stephanie Wood, Kin-Hoe Chow, Chiara Battelli, Joshy George, Hagen Blaszyk, Jeffrey E. Florman, Kyuson Yun> ;Journal of Neuro-Oncology. 2017 Apr 21
3 citations
The chorionic bump: Etiologic insights from two pathologic pregnancies
Joseph R. Wax, Hagen Blaszyk, Michael A. Jones, Angelina Cartin, Michael G. Pinette> ;Journal of Clinical Ultrasound. 2016 May 24
46 citations
Mutational spectrum of Barrett's stem cells suggests paths to initiation of a precancerous lesion.
Yusuke Yamamoto, Xia Wang, Denis Bertrand, Florian Kern, Ting Zhang, Marcin Duleba, Supriya Srivastava, Chiea Chuen Khor, Yuanyu Hu, Lane Wilson, Hagen Blaszyk, Daniil...> ;Nature Communications. 2016 Jan 19
Recurrent human papillomavirus-related airway squamous cell carcinomas.
Akshu Balwan, Hagen Blaszyk, Thomas E. Van der Kloot> ;American Journal of Respiratory and Critical Care Medicine. 2015 Oct 1
5 citations
Mutational activation of FGFR3: no involvement in the development of renal cell carcinoma.
Christine Stoehr, Robert Stoehr, Arndt Hartmann, Ferdinand Hofstaedter, Kerstin Junker, Hagen Blaszyk, W.F. Wieland, Wolfgang Otto, S. Denzinger, Bernhard Walter> ;Journal of Cancer Research and Clinical Oncology. 2012 Feb 1
22 citations
Intraprocedural tissue diagnosis during ERCP employing a new cytology preparation of forceps biopsy (Smash protocol).
Eric Wright, Gennadiy Bakis, Ramesh Srinivasan, Ramu Raju, Harsha Vittal, Michael K. Sanders, Kirk P. Bernadino, Andreas M. Stefan, Hagen Blaszyk, Douglas A. Howell> ;The American Journal of Gastroenterology. 2011 Feb 1
7 citations
Fabry disease complicating pregnancy.
Emily Parent, Joseph R. Wax, Wendy E. Smith, Hagen Blaszyk, Michael G. Pinette, Angelina Cartin, Jacquelyn Blackstone> ;The Journal of Maternal-Fetal & Neonatal Medicine. 2010 Sep 10
21 citations
Low frequency of epigenetic events in urothelial tumors in young patients.
Helen C. Owen, Johannes Giedl, Peter J. Wild, Samson W. Fine, Peter A. Humphrey, Louis P. Dehner, Mahul B. Amin, J. I. Epstein, Hagen Blaszyk, David J. Hughes, Arndt H...> ;The Journal of Urology. 2010 Aug 1
44 citations
Mucosal serotonin signaling is altered in chronic constipation but not in opiate-induced constipation.
Meagan Costedio, Matthew Coates, Elice M. Brooks, Lisa M. Glass, Eric K. Ganguly, Hagen Blaszyk, Allison L Ciolino, Michael J. Wood, Doris B. Strader, Neil Hyman, Pete...> ;The American Journal of Gastroenterology. 2010 May 1
57 citations
Expression of the lipid transporters ABCA3 and ABCA1 is diminished in human breast cancer tissue.
Sven Schimanski, Peter J. Wild, Oliver Treeck, F. Horn, Alexander Sigruener, Christian Rudolph, Hagen Blaszyk, Monika Klinkhammer-Schalke, Olaf Ortmann, Arndt Hartmann...> ;Hormone and Metabolic Research = Hormon- Und Stoffwechselforschung = Hormones Et Metabolisme. 2010 Feb 1
8 citations
The number of lymph nodes in colon cancer specimens: what do the numbers really mean?
S McPartland, Neil Hyman, Hagen Blaszyk, Turner M. Osler> ;Colorectal Disease. 2009 Apr 13
51 citations
Serotonin signaling in diverticular disease
Meagan Costedio, Matthew Coates, Amy B. Danielson, Thomas R. Buttolph, Hagen Blaszyk, Gary M. Mawe, Neil Hyman> ;Journal of Gastrointestinal Surgery. 2008 May 20
16 citations
Catastrophic Clostridium difficile Enteritis in a Pelvic Pouch Patient: Report of a Case
Michael J. Wood, Neil Hyman, James C. Hebert, Hagen Blaszyk> ;Journal of Gastrointestinal Surgery. 2008 Feb 1
6 citations
Low level STK15 amplification in histologically benign urothelium of patients with bladder cancer adversely predicts patient outcome following cystectomy.
Stefan Denzinger, Robert Stoehr, Stephan Schwarz, Nicole Eichenseher, Gero Brockhoff, Ellen C. Obermann, Ruth Knuechel, Hagen Blaszyk, Arndt Hartmann, Peter J. Wild> ;International Journal of Oncology. 2007 Oct 1
17 citations
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, Robin T. Vollmer, Hagen Blaszyk, Katharina Glatz> ;American Journal of Clinical Pathology. 2007 Oct 1
32 citations
Value of multicolour fluorescence in situ hybridisation (UroVysion) in the differential diagnosis of flat urothelial lesions
Stephan Schwarz, Michael Rechenmacher, Tomas Filbeck, Ruth Knuechel, Hagen Blaszyk, Arndt Hartmann, Gero Brockhoff> ;Journal of Clinical Pathology. 2007 Aug 10
77 citations
A multinational, internet-based assessment of observer variability in the diagnosis of serrated colorectal polyps
Katharina Glatz, Bobbi S. Pritt, Dieter Glatz, Arndt Hartmann, Michael J. O'Brien, Hagen Blaszyk> ;American Journal of Clinical Pathology. 2007 Jun 1
22 citations
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, Stephan Stoerkel, Hagen Blaszyk, John C. Cheville, Gu...> ;The American Journal of Surgical Pathology. 2007 Jun 1
7 citations
Role of the STK15 Phe31Ile polymorphism in renal cell carcinoma
Christine G. Hammerschmied, Robert Stoehr, Bernhard Walter, Wolf F. Wieland, Arndt Hartmann, Hagen Blaszyk, Stefan Denzinger> ;Oncology Reports. 2007 Jan 1
252 citations
Minute gastric sclerosing stromal tumors (GIST tumorlets) are common in adults and frequently show c-KIT mutations.
Abbas Agaimy, Peter H. Wünsch, Ferdinand Hofstaedter, Hagen Blaszyk, Petra Rümmele, Andreas Gaumann, Wolfgang Dietmaier, Arndt Hartmann> ;The American Journal of Surgical Pathology. 2007 Jan 1
30 citations
Genomic aberrations are rare in urothelial neoplasms of patients 19 years or younger.
Peter J. Wild, Johannes Giedl, Robert Stoehr, Kerstin Junker, S Boehm, Jmm van Oers, Ellen C. Zwarthoff, Hagen Blaszyk, Samson W. Fine, Peter A. Humphrey, Louis P. Deh...> ;The Journal of Pathology. 2007 Jan 1
125 citations
Smoking and cancer-related gene expression in bronchial epithelium and non-small-cell lung cancers.
M. Woenckhaus, Ludger Klein-Hitpass, U. Grepmeier, Johannes Merk, Michael Pfeifer, Peter J. Wild, Marcus Bettstetter, Peter H. Wuensch, Hagen Blaszyk, Arndt Hartmann, ...> ;The Journal of Pathology. 2006 Oct 1
29 citations
Elevated Microsatellite Instability at Selected Tetranucleotide Repeats does not Correlate with Clinicopathologic Features of Bladder Cancer
Maximilian Burger, Sarah Julia Burger, Stefan Denzinger, Peter J. Wild, Wolf F. Wieland, Hagen Blaszyk, Ellen C. Obermann, Robert Stoehr, Arndt Hartmann> ;European Urology. 2006 Oct 1
9 citations
Herpes simplex virus colitis in ulcerative colitis, simulating malignancy.
Hagen Blaszyk, Neil Hyman, Kumarasen Cooper> ;Histopathology. 2006 Sep 1
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Authored Content

K9s on The Front Line - Restoring Hope through Service Dogs for Military Veterans Suffering from PTSDJune 2017
Five Desired Characteristics of a Family Personal Protection DogMarch 2017
Who’s taking who for a walk?March 2017
Dogs and Cars: The Good, the Bad and the UglyDecember 2016
Come-Here-NowNovember 2016
Dog Parks – A Good Place to Visit?July 2016
Dog Parks – A Good Place to Visit?July 2016
Top Killer of Dogs – Canine BloatJune 2016
Dogs and Water - Anything I Need to Know?June 2016
Dog Fights - Enter at Your Own RiskMay 2016
To Crate, or not to Crate?May 2016
Does Your Dog Outsmart You?May 2016
Dog-Porcupine Encounter - Avoid at all CostApril 2016
HOLY COW THAT STINKS – DOG AND SKUNKMarch 2016
Are Dogs A Crime Deterrent?March 2016
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