Andrew M. Bellizzi, MD

Portrait
Co-Director of Immunopathology Laboratory
Director of GI Pathology, Holden Comprehensive Cancer Ctr
Clinical Associate Professor of Pathology

Contact Information

Primary Office
5239-C Roy Carver Pavilion
Iowa City, IA 52242
319-356-4436

Education

BA, University of Notre Dame
BS, University of Notre Dame
MD, Northwestern University, Feinberg School of Medicine
Resident, Pathology, AP/CP, University of Virginia Health System
Fellow, Gastrointestinal/Liver Pathology, The Ohio State University Medical Center

Licensure and Certifications

State of Iowa Medical License - Iowa Board of Medicine
Anatomic and Clinical Pathology - American Board of Pathology

Center, Program and Institute Affiliations

Holden Comprehensive Cancer Center

Research Summary

Interests: Diagnosis, classification, and etiopathogenesis of human disease (especially gastrointestinal, neuroendocrine, hereditary, liver, and pancreatobiliary).

Publications

Van Dyke, T. J., Johlin, F. C., Bellizzi, A. M. & Howe, J. R. (2016). Serous Cystadenocarcinoma of the Pancreas: Clinical Features and Management of a Rare Tumor. Dig Surg, 33(3), 240-248. PMID: 26998825.

Lee, L. S., Wu, B. U., Banks, P. A., Kadiyala, V., Mehta, S., Saltzman, J. R., Thompson, C. C. & Bellizzi, A. M. (2014). Utility of commercial DNA analysis in detecting malignancy within pancreatic cysts. JOP, 15(2), 182-8. PMID: 24618422.

Bellizzi, A. M. (2013). Contributions of molecular analysis to the diagnosis and treatment of gastrointestinal neoplasms. Semin Diagn Pathol, 30(4), 329-61. PMID: 24342289.

Bellizzi, A. M., Nardone, G., Compare, D., Bor, S., Capanoglu, D., Farre, R., Neumann, H., Neurath, M. F., Vieth, M., Chen, H. & Chen, X. (2013). Tissue resistance in the normal and diseased esophagus. Ann N Y Acad Sci, 1300(1), 200-212. PMID: 24117643.

Bellizzi, A. M. (2013). Assigning site of origin in metastatic neuroendocrine neoplasms: a clinically significant application of diagnostic immunohistochemistry. Adv Anat Pathol, 20(5), 285-314. PMID: 23939147.

Bellizzi, A. M. (2013). Immunohistochemistry in Gastroenterohepatopancreatobiliary Epithelial Neoplasia: Practical Applications, Pitfalls, and Emerging Markers. Surg Pathol clin, 6(3), 567-609.

Herrera, A. F., Soriano, G., Bellizzi, A. M., Hornick, J. L., Ho, V. T., Ballen, K. K., Baden, L. R., Cutler, C. S., Antin, J. H., Soiffer, R. J. & Marty, F. M. (2011). Cord colitis syndrome in cord-blood stem-cell transplantation. N Engl J Med, 365(9), 815-24. PMID: 21879899.

Wang, X., Ouyang, H., Yamamoto, Y., Kumar, P. A., Wei, T. S., Dagher, R., Vincent, M., Lu, X., Bellizzi, A. M., Ho, K. Y., Crum, C. P., Xian, W. & McKeon, F. (2011). Residual embryonic cells as precursors of a Barrett's-like metaplasia. Cell, 145(7), 1023-35. PMID: 21703447.

Bellizzi, A. M., LeGallo, R. D., Boyd, J. C. & Iezzoni, J. C. (2011). Hepatocyte cytokeratin 7 expression in chronic allograft rejection. Am J Clin Pathol, 135(2), 238-44. PMID: 21228364.

Bellizzi, A. M., Bloomston, M., Zhou, X. P., Iwenofu, O. H. & Frankel, W. L. (2010). The mTOR pathway is frequently activated in pancreatic ductal adenocarcinoma and chronic pancreatitis. Appl Immunohistochem Mol Morphol, 18(5), 442-7. PMID: 20661135.

Bellizzi, A. M., Rock, J., Marsh, W. L. & Frankel, W. L. (2010). Serrated lesions of the appendix: a morphologic and immunohistochemical appraisal. Am J Clin Pathol, 133(4), 623-32. PMID: 20231616.

Bellizzi, A. M., Woodford, R. L., Moskaluk, C. A., Jones, D. R., Kozower, B. D. & Stelow, E. B. (2009). Basaloid squamous cell carcinoma of the esophagus: assessment for high-risk human papillomavirus and related molecular markers. Am J Surg Pathol, 33(11), 1608-14. PMID: 19738459.

Bellizzi, A. M., Frankel, W. L. (2009). Colorectal cancer due to deficiency in DNA mismatch repair function: a review. Adv Anat Pathol, 16(6), 405-17. PMID: 19851131.

Bellizzi, A. M., Kahaleh, M. & Stelow, E. B. (2009). The assessment of specimens procured by endoscopic ampullectomy. Am J Clin Pathol, 132(4), 506-13. PMID: 19762527.

Bellizzi, A. M., Stelow, E. B. (2009). Pancreatic cytopathology: a practical approach and review. Arch Pathol Lab Med, 133(3), 388-404. PMID: 19260745.

Keck, K. J., Maxwell, J. E., Utria, A. F., Bellizzi, A. M., Dillon, J. S., O'Dorisio, T. M. & Howe, J. R. (2018). The Distal Predilection of Small Bowel Neuroendocrine Tumors. Annals of surgical oncology. PMID: 30054825.

Johncilla, M., Jessurun, J., Brown, I., Hornick, J. L., Bellizzi, A. M., Shia, J. & Yantiss, R. K. (2018). Are Enterocolic Mucosal Mast Cell Aggregates Clinically Relevant in Patients Without Suspected or Established Systemic Mastocytosis?. The American journal of surgical pathology. PMID: 30001235.

Pelletier, D. J., Czeczok, T. W. & Bellizzi, A. M. (2018). A monoclonal antibody against SV40 large T antigen (PAb416) does not label Merkel cell carcinoma. Histopathology, 73(1), 162-166. PMID: 29430700.

Borcherding, N., Cole, K., Kluz, P., Jorgensen, M., Kolb, R., Bellizzi, A. & Zhang, W. (2018). Reevaluating E-cadherin and ß-catenin: A pan-cancer proteomic approach with an emphasis on breast cancer. The American journal of pathology. PMID: 29879416.

Zhang, X., Patil, D., Odze, R. D., Zhao, L., Lisovsky, M., Guindi, M., Riddell, R., Bellizzi, A., Yantiss, R. K., Nalbantoglu, I. & Appelman, H. D. (2018). The microscopic anatomy of the esophagus including the individual layers, specialized tissues, and unique components and their responses to injury. Annals of the New York Academy of Sciences. PMID: 29761508.

Bellizzi, A. M., Hafezi-Bakhtiari, S., Westerhoff, M., Marginean, E. C. & Riddell, R. H. (2018). Gastrointestinal pathologists' perspective on managing risk in the distal esophagus: convergence on a pragmatic approach. Annals of the New York Academy of Sciences. PMID: 29749623.

Czeczok, T. W., Stashek, K. M., Maxwell, J. E., O'Dorisio, T. M., Howe, J. R., Hornick, J. L. & Bellizzi, A. M. (2018). Clusterin in Neuroendocrine Epithelial Neoplasms: Absence of Expression in a Well-differentiated Tumor Suggests a Jejunoileal Origin. Applied immunohistochemistry & molecular morphology : AIMM, 26(2), 94-100. PMID: 29420353.

Belay, A. A., Bellizzi, A. M. & Stolpen, A. H. (2018). The role of T2*-weighted gradient echo in the diagnosis of tumefactive intrahepatic extramedullary hematopoiesis in myelodysplastic syndrome and diffuse hepatic iron overload: a case report and review of the literature. Journal of medical case reports, 12(1), 9. PMID: 29332607.

Gupta, S., Karandikar, N. J., Ginader, T., Bellizzi, A. M. & Holman, C. J. (2018). Flow cytometric aberrancies in plasma cell myeloma and MGUS - correlation with laboratory parameters. Cytometry. Part B, Clinical cytometry. PMID: 29316245.

Keck, K. J., Breheny, P., Braun, T. A., Darbro, B., Li, G., Dillon, J. S., Bellizzi, A. M., O'Dorisio, T. M. & Howe, J. R. (2017). Changes in gene expression in small bowel neuroendocrine tumors associated with progression to metastases. Surgery. PMID: 29154080.

Davis, K., Bellizzi, A. M. & Chan CHF, (2017). An Unusual Progression of Signet-Ring Cell Carcinoma of the Appendix in a Caucasian Woman. Journal of gastrointestinal cancer. PMID: 29043541.

Strosberg, J. R., Halfdanarson, T. R., Bellizzi, A. M., Chan, J. A., Dillon, J. S., Heaney, A. P., Kunz, P. L., O'Dorisio, T. M., Salem, R., Segelov, E., Howe, J. R., Pommier, R. F., Brendtro, K., Bashir, M. A., Singh, S., Soulen, M. C., Tang, L., Zacks, J. S., Yao, J. C. & Bergsland, E. K. (2017). The North American Neuroendocrine Tumor Society Consensus Guidelines for Surveillance and Medical Management of Midgut Neuroendocrine Tumors. Pancreas, 46(6), 707-714. PMID: 28609356.

Hung, Y. P., Lee, J. P., Bellizzi, A. M. & Hornick, J. L. (2017). PHOX2B reliably distinguishes neuroblastoma among small round blue cell tumors. Histopathology. PMID: 28640941.

Hung, J. P., Hung, Y. P., O'Dorisio, T. M., Howe, J. R., Hornick, J. L. & Bellizzi, A. M. (2017). Pheochromocytomas and Paragangliomas. Histopathology. PMID: 28464318.

O'Malley, D. P., Lee, J. P. & Bellizzi, A. M. (2017). Expression of LEF1 in mantle cell lymphoma. Annals of diagnostic pathology, 26, 57-59. PMID: 28038713.

Keck, K. J., Maxwell, J. E., Menda, Y., Bellizzi, A., Dillon, J., O'Dorisio, T. M. & Howe, J. R. (2017). Identification of primary tumors in patients presenting with metastatic gastroenteropancreatic neuroendocrine tumors. Surgery, 161(1), 272-279. PMID: 27863780.

Moawad, F. J., Cheng, E., Schoepfer, A., Al-Haddad, S., Bellizzi, A. M., Dawson, H., El-Zimaity, H., Guindi, M., Penagini, R., Safrooneva, E. & Chehade, M. (2016). Eosinophilic esophagitis: current perspectives from diagnosis to management. Annals of the New York Academy of Sciences, 1380(1), 204-217. PMID: 27467185.

Guseva, N. V., Tanas, M. R., Stence, A. A., Sompallae, R., Schade, J. C., Bossler, A. D., Bellizzi, A. M. & Ma, D. (2016). The NAB2-STAT6 gene fusion in solitary fibrous tumor can be reliably detected by anchored multiplexed PCR for targeted next-generation sequencing. Cancer genetics, 209(7-8), 303-12. PMID: 27292373.

Maxwell, J. E., Sherman, S. K., O'Dorisio, T. M., Bellizzi, A. M. & Howe, J. R. (2015). Liver-directed surgery of neuroendocrine metastases: What is the optimal strategy?. Surgery. PMID: 26454679.

Maxwell, J. E., Sherman, S. K., Choi, A. B., Bellizzi, A. M., O'Dorisio, T. M. & Howe, J. R. (2015). Somatic alterations of CDKN1B are associated with small bowel neuroendocrine tumors. Cancer Genet.. PMID: 26603463.

Bellizzi, A. M., Hornick, J. L. (2015). Diseases of the stomach. In Silverberg's Principles and Practice of Surgical Pathology and Cytopathology. (5th edition) Cambridge University Press.

Humphrey, P. E., Alessandrino, F., Bellizzi, A. M. & Mortele, K. J. (2015). Non-hyperfunctioning pancreatic endocrine tumors: multimodality imaging features with histopathological correlation. PMID: 25989932.

Gailey, M. P., Bellizzi, A. M. & Jensen, C. S. (2015). Differentiating Small Cell Carcinoma From Squamous Cell Carcinoma in Cytologic Specimens: A Head-to-Head Comparison of p40 and p63 Using Cell Block Immunocytochemistry. Appl Immunohistochem Mol Morphol.. PMID: 25906121.

Bellizzi, A. M. (2015). Screening for Lynch Syndrome: A No-Brainer: BRAF V600E Mutation-Specific Immunohistochemistr: Caveat Emptor. Am J Clin Pathol, 143(3), 320-4. PMID: 25696788.

O'Leary, B. R., Fath, M. A., Bellizzi, A. M., Hrabe, J. E., Button, A. M., Allen, B. G., Case, A. J., Altekruse, S. F., Wagner, B., Buettner, G. R., Lynch, C. F., Hernandez, B. Y., Cozen, W., Beardsley, R. A., Keene, J., Henry, M. D., Domann, F. E., Spitz, D. R. & Mezhir, J. J. (2015). Loss of SOD3 (EcSOD) expression promotes an aggressive phenotype in human pancreatic ductal adenocarcinoma. Clin Cancer Res.

Sherman, S. K., Maxwell, J. E., Carr, J. C., Wang, D., Bellizzi, A. M., O'dorisio, S. M., O'Dorisio, T. M. & Howe, J. R. (2014). Gene expression accurately distinguishes liver metastases of small bowel and pancreas neuroendocrine tumors. Clin Exp Metastasis, 31(8), 935-44. PMID: 25241033.

Hagen, J., Muniz, V. P., Falls, K., Reed, S. M., Taghiyev, A. F., Quelle, F. W., Gourronc, F., Klingelhutz, A. J., Major, H. J., Askeland, R., Sherman, S. K., O'Dorisio, T. M., Bellizzi, A. M., Howe, J. R., Darbro, B. W. & Quelle, D. E. (2014). RABL6A promotes G1-S phasae progression and pancreatic neuroendocrine tumor cell proliferation in an Rb1-dependent manner. Cancer Res, 74(22), 6661-70. PMID: 25273089.

Wojcik, J. B., Bellizzi, A. M., Dal, C. P., Bredella, M. A., Fletcher, C. D., Hornicek, F. J., Deshpande, V., Hornick, J. L. & Nielsen, G. P. (2014). Primary sclerosing epithelioid fibrosarcoma of bone: Analysis of a series. Am J Surg Pathol, 38(11), 1538-44. PMID: 24921641.

Gailey, M. P., Bellizzi, A. M. (2014). Comprehensive evaluation of the urothelial carcinoma markers GATA3 and S100P in squamous cell carcinoma. 2014 United States and Canadian Academy of Pathology Annual Meeting.

Maxwell, J. E., O'Dorisio, T. M., Bellizzi, A. M. & Howe, J. R. (2014). Elevated pancreatic polypeptide levels in pancreatic neuroendocrine tumors and diabetes mellitus: causation or association?. Pancreas, 43(4), 651-6. PMID: 24713673.

Basturk, O., Hruban, R. H., Adsay, N. V., Krasinskas, A. M., Yang, Z., LaRosa, S., Jang, K., Tang, L., Vakiani, E., Frankel, W. L., Liu, X., Zhang, L., Giordano, T., Bellizzi, A. M., Chen, J., Shi, C., Wolfgang, C. L., Rezaee, N., Saka, B., Deshpande, V. & Klimstra, D. S. (2014). Poorly differentiated neuroendocrine carcinomas of the pancreas: A clinicopathologic analysis of 54 cases. Am J Surg Pathol, 38(4), 437-47. PMID: 24503751.

Gailey, M. P., Bellizzi, A. M. & Jensen, C. S. (2014). Differentiating small cell carcinoma from squamous cell carcinioma on fine needle aspiration: a head-to-head comparison of p40 and p63 using cell block immunocytochemistry. 2014 United States and Canadian Academy of Pathology Annual Meeting.

Stashek, K. M., Czeczok, T. W. & Bellizzi, A. M. (2014). Extensive evaluation of immunohistochemistry to assign site of origin in well-differentiated neuroendocrine tumors: a study of 10 markers in 265 tumors. 2014 United States and Canadian Academy of Pathology Annual Meeting.

Czeczok, T. W., Hornick, J. L. & Bellizzi, A. M. (2014). Immunohistochemistry for Merkel cell polyomavirus large T antigen (CM2B4) and neurofilament protein adds little value to CK20 and TTF-1 in the distinction of cutaenous and visceral high-grade neuroendorine carcinomas. 2014 United States and Canadian Academy of Pathology Annual Meeting.

Gailey, M. P., Guseva, N. V., Milhem, M. m., Miller, B. J., Miller, M. R., Bellizzi, A. M., Henry, M. D. & Ma, D. (2014). Molecular and immunohistochemical profiling of leiomyosarcomas. 2014 United States and Canadian Academy of Pathology Annual Meeting.

Wojcik, J., Hornick, J. L., Bellizzi, A. M., Fletcher, C. & Nielsen, G. P. (2014). Primary sclerosing epithelioid fibrosarcomas of bone: analysis of a series. 2014 United States and Canadian Academy of Pathology Annual Meeting.

Lee, L. S., Szafranska-Schwarzbach, A. E., Wylie, D., Doyle, L. A., Bellizzi, A. M., Kadiyala, V., Suleiman, S., Banks, P. A., Andruss, B. F. & Conwell, D. L. (2014). Investigating MicroRNA Expression Profiles in Pancreatic Cystic Neoplasms. Clinical and translational gastroenterology, 5, e47. PMID: 24476997.

Ma, D., Stence, A. A., Bossler, A. B., Hackman, J. R. & Bellizzi, A. M. (2014). Identification of KIT activating mutations in paediatric solitary mastocytoma. Histopathology, 64(2), 218-25. PMID: 24128084.

Samuelson, M. I., Stelow, E. B., Hornick, J. L. & Bellizzi, A. M. (2014). Frequent nuclear ß-catenin expression in adrenal cortical carcinoma: a diagnostic pitfall. 2014 United States and Canadian Academy of Pathology Annual Meeting.

Czeczok, T. W., Gailey, M. P., Hornick, J. L. & Bellizzi, A. M. (2014). High-grade neuroendocrine carcinomas are characterized by marked transcription factor lineage infidelity: an evaluation of 36 diagnostic markers in 83 tumors. 2014 United States and Canandian Academy of Pathology Annual Meeting.

Wood, S. M., Czeczok, T. W., Stashek, K. M. & Bellizzi, A. M. (2014). Re-evaluation of the significance of sustentacular cells in neuroendocrine tumors with the new age marker SOX10. 2014 American Society of Clinical Pathology Annual Meeting.

Maxwell, J. E., Sherman, S. K., Stashek, K. M., O'Dorisio, T. M., Bellizzi, A. M. & Howe, J. R. (2014). A practical method to determine site of unknown primary in metastatic neuroendocrine tumors. 2014 American Association of Endocrine Surgeons Annual Meeting.

McMullen, E. R., Maxwell, J. E. & Bellizzi, A. M. (2014). Evaluation of SATB2 in neuroendocrine tumors reveals a gradient of expression from hindgut to foregut. 2014 American Societ of Clinical Pathology Annual Meeting.

Hitt, S. L., Czeczok, T. W., Darbro, B. W., Stashek, K. M. & Bellizzi, A. M. (2014). Results of SMAD4 immunohistochemistry in well-differentiated neuroendocrine tumors reflects relative specificity of chromosome 18 losses for jejunoileal origin. 2014 College of American Pathology Annual Meeting.

Savage, E. C., Gailey, M. P. & Bellizzi, A. M. (2014). Squamous cell carcinomas frequently stain positively for the 'adenocarcinoma-marker" MOC-31: a diagnostic pitfall. 2014 United States and Canadian Academy of Pathology Annual Meeting.

Mezhir, J. J., O'Leary, B. R., Bellizzi, A. M., Altekruse, S., Lynch, C. F., Hernandez, B. Y., Cohen, W., Henry, M. D., Keene, J., Beardsley, R., Spitz, D. R. & Domann, F. E. (2014). The role of extracelllar superoxide dismutase activity in pancreatic cancer biology and therapy. 2014 American Association of Cancer Research.

Chintaparthi, J., Chandran, P. K., Buckwalter, J. A., Bellizzi, A. M., McNeely, P. S. & Dillon, J. S. (2014). Tumor-induced osteomalacia diagnosed with 68-Ga DOTATOC PET san and successfully treated surgially. 2014 International Society of Endocrinology/The Endocrine Society Annual Meeting.

Gailey, M. P., Bellizzi, A. M. (2013). Immunohistochemistry for the novel markers glypican 3, PAX8 and p40 (?Np63) in squamous cell and urothelial carcinoma. Am J Clin Pathol, 140(6), 872-80. PMID: 24225756.

Carr, J. C., Sherman, S. K., Wang, D., Dahdaleh, F. S., Bellizzi, A. M., O'Dorisio, M. S., O'Dorisio, T. M. & Howe, J. R. (2013). Overexpression of membrane proteins in primary and metastatic gastrointestinal neuroendocrine tumors. Ann Surg Oncol, suppl 3, S739-46. PMID: 24114056.

Appelman, H. D., Streutker, C., Vieth, M., Neumann, H., Neurath, M. F., Upton, M. P., Sagaert, X., Wang, H. H., El-Zimaity, H., Abraham, S. C. & Bellizzi, A. M. (2013). The esophageal mucosa and submuocsa: immunohistology in GERD and Barrett's esophagus. Ann NY Acad Sci, 1300(1), 144-165. PMID: 24117640.

Lewis, G. H., Wang, H., Bellizzi, A. M., Klein, A. P., Askin, F. B., Schwartz, L. E., Schulick, R. D., Wolfgang, C. L., Cameron, J. L., O'Reilly, E. M., Yu, K. H. & Hruban, R. H. (2013). Prognosis of Minimally Invasive Carcinoma Arising in Mucinous Cystic Neoplasms of the Pancreas. Am J Surg Pathol, 47(4), 601-605. PMID: 23388125.

Steussy, B. W., Bellizzi, A. M. (2013). BRAF-mutant colon cancers with and without high-level microsatellite instability are distinguished by histology and methylation phenotype. 2013 United States and Canadian Academy of Pathology Annual Meeting.

Basturk, O., Hruban, R., Adsay, V., Krasinskas, A., JAng, K., Liu, X., Vakiani, E., Zhang, L., Frankel, W., Giordano, T., Bellizzi, A. M., Chen, J., Desphande, V., Yang, Z. & Klimstra, D. S. (2013). High-grade neuroendocrine carcinomas of the pancreas: a clinicopathologic analysis of 60 cases. 2013 United States and Canadian Academy of Pathology Annual Meeting.

Basturk, O., Yang, Z., Tang, L. H., Hruban, R., McCall, C., Adsay, V., Krasinskas, A., Jang, K., Bellizzi, A. M., Shi, C. & Klimstra, D. S. (2013). Increased (>20%) Ki67 proliferation index in morphologically well differentiated pancreatic neuroendocrine tumors (PanNETs) correlates with decreased overall survival. 2013 United States and Canadian Academy of Pathology Annual Meeting.

Stashek, K. M., Mezhir, J., Roggin, K. K. & Bellizzi, A. M. (2013). SMAD4 expression in mucin-producing cystic neoplasms and associated carcinomas. 2013 United States and Canadian Academy of Pathology Annual Meeting.

Wilson, T. C., Bellizzi, A. M. (2013). Chemoradiotherapy-associated psuedotumor: a diagnostic consideration in frozen section biopsies of liver lesions in patients undergoing a cancer operation. 2013 College of American Pathology Annual Meeting.

Seidman, M. A., Bellizzi, A. M. (2013). Combined Foxp3 and IgG4 staining reveal distinct subsets of inflammatory bowel disease. 2013 American Society for Investicative Patholog Annual Meeting.

Bellizzi, A. M. (2013). Merkel cell carcinoma is caused by a polyomavirus, which can be detected by routine immunohistochemistry. PathBeat: The Newsletter of the Department of Pathology, University of Iowa Carver College of Medicine,(14), 4-5.

Bellizzi, A. M. (2013). University of Iowa Health Care launches universal screening for Lynch syndrome in colorectal cancer. PathBeat: The Newsletter of the Department of Pathology, University of Iowa Carver College of Medicine, 2-3.

Bellizzi, A. M. (2013). Updates in diagnostic immunohistochemistry: expanded offerings from the University of Iowa Immunopathology Laboratory. PathBeat: The Newsletter of the Department of Pathology, University of Iowa Carver College of Medicine,(15), 6-8.

Rodig, S. J., Cheng, J., Wardzala, J., DoRosario, A., Scanlon, J. J., Laga, A. C., Martinez-Fernandez, A., Barletta, J. A., Bellizzi, A. M., Sadasivam, S., Holloway, D. T., Cooper, D. J., Kupper, T. S., Wang, L. C. & Decaprio, J. A. (2012). Improved detection suggests all Merkel cell carcinomas harbor Merkel polyomavirus. J Clin Invest, 122(12), 4645-53.

Lee, L. S., Banks, P. A., Bellizzi, A. M., Sainani, N. I., Kadiyala, V., Suleiman, S., Conwell, D. L. & Paulo, J. A. (2012). Inflammatory protein profiling of pancreatic cyst fluid using EUS-FNA in tandem with cytokine microarray differentiates between branch duct IPMN and inflammatory cysts. J Immunol Methods, 382(2-Jan), 142-9. PMID: 22683544.

Bellizzi, A. M. (2012). Gastrointestinal and Liver Pathology. Am J Surg Pathol, 36(7), 1104-5.

Bellizzi, A. M. (2012). Gastrointestinal and liver pathology. Am J Surg Pathol, 36(7), 1104-5.

Patel, B., Mottola, J., Sahni, V. A., Cantisani, V., Ertruk, M., Friedman, S., Bellizzi, A. M., Marcantonio, A. & Mortele, K. J. (2012). MDCT assessment of ulcerative colitis: radiologic analysis with clinical, endoscopic, and pathologic correlation. Abdom Imaging, 37(1), 61-9. PMID: 21603899.

Shinagare, A. B., Ramaiya, N. H., Bellizzi, A. M. & Mayer, R. J. (2012). Locally advanced anaplastic pancreatic adenocarcinoma with initial response to FOLFIRINOX and rapid progression after five months. Pancreatology, 12(1), 35-8. PMID: 22487471.

Lee, L. S., Szafranska-Schwarzbach, A. E., Wylie, D., Doyle, L. A., Bellizzi, A. M., Kadiyala, V., Suleiman, S., Kemppainen, J., Kincaid, A., Houghton, J., McGee, S., Sah, S., Banks, P. A., Andruss, B. F. & Conwell, D. L. (2012). Differential expression of DNA mutations in k-ras and GNAS in pancreatic cystic neoplasms. 2012 American College of Gastroenterology Annual Scientific Meeting.

Lee, L. S., Bellizzi, A. M., Banks, P. A., Sainani, N. I., Kadiyala, V., Suleiman, S., Conwell, D. L. & Paulo, J. A. (2012). Differentiating branch duct and mixed IPMN in endoscopically collected pancreatic cyst fluid cytokine analysis. 2012 American College of Gastroenterology Annual Scientific Meeting.

Lee, L. S., Bellizzi, A. M., Banks, P. A., Sainani, N., Kadiyala, V., Suleiman, S., Conwell, D. L. & Paulo, J. (2012). Differentiating branch duct and mixed IPMN in endoscopically collected pancreatic cyst fluid via cytokine analysis. Gastroenterol Res Pract, 2012, 247-309. PMID: 23326260.

Bellizzi, A. M., Soriano, G., Herrera, A. F., Marty, F. M. & Hornick, J. L. (2012). Histopathology of "Cord Colitis Syndrome" in umbilical cord blood transplant receipients. 2012 United States and Canadian Academy of Pathology Annual Meeting.

Ma, D., Stence, A., Hackman, J. R., Pruessner, J., Buhay, J., Forde, S., Zubcic, M., Bellizzi, A. M., Heusel, J. W. & Bossler, A. D. (2012). Identification of KIT activating mutations in pediatric solitary mastocytoma. In 2012. American Association for Molecular Pathology Annual Meeting.

Gailey, M. P., Bellizzi, A. M. (2012). Immunohistochemistry for novel markers in squamous cell carcinoma: glypican-3 is expressed across anatomic sites, PAX8 is limited in distribution and p40 is extrremely sensitive. 2013 United States and Canadian Academy of Pathology Annual Meeting.

Lee, L. S., Szafranska-Schwarzbach, A. E., Wylie, D., Bellizzi, A. M., Doyle, L. A., Kadiyala, V., Suleiman, S., Kemppainen, J., Kincaid, A., Houghton, J., McGee, S., Sah, S., Banks, P. A., Andruss, B. F. & Conwell, D. L. (2012). Investigation of MicroRNA in pancreatic cystic tumors (IMPACT) study: differential expression observed among pancreatic cystic neoplasms. 2012 American College of Gastroenterology Annual Scientific Meeting.

Barletta, J. A., Bellizzi, A. M. & Hornick, J. L. (2011). Immunohistochemical staining of thyroidectomy specimens for PTEN can aid in the identification of patients with Cowden syndrome. Am J Surg Pathol, 35(10), 1505-11. PMID: 21921783.

Lightdale, C. J., Degl'Innocenti, D. R., Bellizzi, A. M., Ishimura, N., Amano, Y., Appelman, H. D., Penagini, R., Tenca, A., Falk, G. W., Wong, R. K., Gerson, L. B., Ramirez, F. C., Horwhat, J. D., Lightdale, C. J., DeVault, K. R., Freschi, G., Taddei, A., Bechi, P., Ringressi, M. N., Castiglione, F., Rossi Degl'Innocenti, D., Wang, H. H., Huang, Q., Bellizzi, A. M., Lisovsky, M., Srivastava, A., Riddell, R. H., Johnson, L. F., Saunders, M. D. & Chuttani, R. (2011). Barrett's esophagus: endoscopic diagnosis. Annals of the New York Academy of Sciences, 1232, 53-75. PMID: 21950807.

Bellizzi, A. M., Fang, D., Das, K. M., Cao, W., Malhotra, U., Triadafilopoulos, G., Najarian, R. M., Hardie, L. J., Lightdale, C. J., Beales, I. L., Felix, V. N., Schneider, P. M. & Bellizzi, A. M. (2011). Barrett's esophagus: progression to adenocarcinoma and markers. Ann N Y Acad Sci, 1232, 210-29. PMID: 21950815.

Barletta, J. A., Bellizzi, A. M. & Hornick, J. L. (2011). Immunohistochemical staining of thyroidectomy specimens for PTEN can aid in the identification of patients with Cowden syndrome. 2011 United States and Canadian Academy of Pathology Annual Meeting.

Rege, T. A., King, E. E., Barletta, J. A. & Bellizzi, A. M. (2011). Ki-67 proliferation index in pancreatic endocrine tumors: comparison with mitotic count, interobserver variability, and impact on grading. 2011 United States and Canadian Academy of Pathology Annual Meeting.

Baez, J. C., Hamilton, M. J., Bellizzi, A. M. & Mortelé, K. J. (2010). Gastric involvement in autoimmune pancreatitis: MDCT and histopathologic features. JOP, 11(6), 610-3. PMID: 21068496.

Woodford, R. L., Nikiforov, Y. E., Hunt, J. L., Bellizzi, A. M., Zhang, X., Mills, S. E. & Stelow, E. B. (2010). Encapsulated papillary oncocytic neoplasms of the thyroid: morphologic, immunohistochemical, and molecular analysis of 18 cases. Am J Surg Pathol, 34(11), 1582-90. PMID: 20924280.

Bass, C. R., Meyerhoff, K. P., Damon, A. M., Bellizzi, A. M., Salzar, R. S. & Rafaels, K. A. (2010). Drosophila melanogaster larvae as a model for blast lung injury. J Trauma, 69(1), 179-84. PMID: 20173659.

Bellizzi, A. M., Odze, R. D. (2010). Histopathology of Barrett's esophagus: a review for the practicing gastroenterologist. Tech Gastrointest Endosc, 12(2), 69-81.

Liu, J. Y., Bellizzi, A. M., Hatzaras, I. S., Bloomston, M. & Frankel, W. L. (2010). Esophageal adenocarcinoma shows upregulation of Skp2 and Cks1 and downregulation of p27. 2010 United States and Canadian Academy of Pathology Annual Meeting.

Crowder, C. D., Iwenofu, O. h., Bellizzi, A. M. & Frankel, W. L. (2010). Frequent activation of the mTOR pathway in adenocarcinoma of the ampulla of vater. 2010 United States and Canadian Academy of Pathology Annual Meeting.

Crowder, C. D., Sweet, K., Bellizzi, A. M. & Frankel, W. L. (2010). Hyperplastic polyposis syndrome is an underdiagnosed and unclear entity: an opportunity for the surgical pathologist?. 2010 United States and Canadian Academy of Pathology Annual Meeting.

Bellizzi, A. M., Crowder, C. D., Marsh, W. L., Hampel, H. & Frankel, W. L. (2010). Mismatch repair status in a cohort of rectal adenocarcinoma before and after chemoradiation. 2010 United States and Canadian Academy of Pathology Annual Meeting.

Frankel, W. L., Liu, J. J., Hampel, H. & Bellizzi, A. M. (2010). Mismatch repair status in seventy biliary tract carcinomas. 2010 United States and Canadian Academy of Pathology Annual Meeting.

Humphrey, P., Bellizzi, A. M. & Mortele, K. J. (2010). Multimodality imaging features of pancreatic endocrine tumors (PET). 2010 Canadian Assoiciation of Radiologists Annual Meeting.

Bellizzi, A. M., Crowder, C. D., Marsh, W. L., Hampel, H. & Frankel, W. L. (2010). Treated rectal adenocarcinomas are associated with increased expression of CK20 and chromogranin. 2010 United States and Canadian Academy of Pathology Annual Meeting.

Bellizzi, A. M., Bruzzi, C., French, C. A. & Stelow, E. B. (2009). The cytologic features of NUT midline carcinoma. Cancer, 117(6), 508-15. PMID: 19795508.

West, A., Bellizzi, A. M. & Bolton, W. K. (2009). A case of beign "double-positive" (anti-GBM/ANCA). UVA Journal of Medicine, 6, 31-7.

Bellizzi, A. M., Frankel, W. L. (2009). Colorectal cancer due to deficiency in DNA mismatch repair function: A review. Adv Anat Pathol, 16(6), 405-17. PMID: 19851131.

Demyttenaere, S. V., Nau, P., Henn, M., Beck, C., Zaruby, J., Primavera, M., Kirsch, D., Miller, J., Liu, J. J., Bellizzi, A. M. & Melvin, W. S. (2009). Barbed suture for gastrointestinal closure: a randomized control trial. Surg Innov, 16(3), 237-42. PMID: 19783567.

Bellizzi, A. M., Frankel, W. L. (2009). Pancreatic pathology - a practical review. Lab Med, 40(7), 417-426.

Bellizzi, A. M., Bloomston, M., Bellizzi, S. M., Marsh, W. L. & Frankel, W. L. (2009). Assessment of prognostic factors in pancreatic ductal adenocarcinoma: Focus on the retroperitoneal margin. (Vols. 27). (15S), pp. E15670. J Clin Oncol.

Horvath, J. W., Frankel, W., Bellizzi, A. M., Guenterberg, K. & Iwenofu, O. H. (2009). Correlation of Cks1 and p27kip1 with tumor biologic aggressiveness and survival in gastrointestinal stromal tumor. (Vols. 27). (15S), pp. e15549. J Clin Oncol.

Bellizzi, A. M., Bloomston, M., Bellizzi, S. M., Marsh, W. L. & Frankel, W. L. (2009). Assessment of prognostic factors in pancreatic ductal adenocarcinoma: Focus on the retroperitoneal margin. 2009 American Society of Clinical Oncology Annual Meeting.

Bellizzi, A. M., Bloomston, M., Bellizzi, S. M., Iwenofu, O. H. & Frankel, W. L. (2009). Assessment of the p27/Skp2/Cks1 axis in pancreatic ductal adenocarcinoma and ampullary adenocarcinoma. 2009 United States and Canadian Academy of Pathology Annual Meeting.

Horvath, J. W., Frankel, W., Bellizzi, A. M., Guenterberg, K. & Iwenofu, O. H. (2009). Correlation of Cks1 and p27kip1 with tumor biologic aggressiveness and survival in gastrointestinal stromal tumor. 2009 American Society of Clinical Oncology Annual Meeting.

Zhou, X. P., Frankel, W. L., Bloomston, M., Iwenofu, O. H. & Bellizzi, A. M. (2009). Frequent aberrant activation of the PI3K/Akt/mTOR pathway in pancreatic endocrine tumors. 2009 United States and Canadian Academy of Pathology Annual Meeting.

Bellizzi, A. M., Iwenofu, O. H., Zhou, X. P., Bloomston, M. & Frankel, W. L. (2009). Frequent activation of the mTOR pathway in pancreatic ductal adenocarcinoma. 2009 United States and Canadian Academy of Pathology Annual Meeting.

Yearsley, M. M., Bellizzi, A. M., South, C. D., Hampel, H., Marsh, W. L. & Frankel, W. L. (2009). Routine mismatch repair protein immunostaining in colorectal carcinomas-equivocal MSH6 staining is a challenge. 2009 United States and Canadian Academy of Pathology Annual Meeting.

Rock, J., Bellizzi, A. M., Marsh, W. L. & Frankel, W. L. (2009). Serrated appendiceal lesions: A morphologic and immunohistochemical appraisal. 2009 College of American Pathologists Annual Meeting.

Lisle, T. C., Gazoni, L. M., Fernandez, L. G., Sharma, A. K., Bellizzi, A. M., Schifflett, G. D., Laubach, V. E. & Kron, I. L. (2008). Inflammatory lung injury after cardiopulmonary bypass is attenuated by adenosine A(2A) receptor activation. J Thorac Cardiovasc Surg, 136(5), 1280-7; discussion 1287-8. PMID: 19026816.

Bellizzi, A. M., Mills, S. E. (2008). Collagenous crystalloids in myoepithelial carcinoma: report of a case and review of the literature. Am J Clin Pathol, 130(3), 355-62. PMID: 18701407.

Kerr, S. E., Bellizzi, A. M., Stelow, E. B., Frierson, H. F. & Policarpio-Nicolas, M. L. (2008). Initial assessment of fine-needle aspiration specimens by telepathology: validation for use in pathology resident-faculty consultations. Am J Clin Pathol, 130(3), 409-13. PMID: 18701414.

Bourne, T. D., Bellizzi, A. M., Stelow, E. B., Loy, A. H., Levine, P. A., Wick, M. R. & Mills, S. E. (2008). p63 Expression in olfactory neuroblastoma and other small cell tumors of the sinonasal tract. Am J Clin Pathol, 130(2), 213-8. PMID: 18628089.

Stelow, E. B., Bellizzi, A. M., Taneja, K., Mills, S. E., Legallo, R. D., Kutok, J. L., Aster, J. C. & French, C. A. (2008). NUT rearrangement in undifferentiated carcinomas of the upper aerodigestive tract. Am J Surg Pathol, 32(6), 828-34. PMID: 18391746.

Bellizzi, A. M., Bourne, T. D., Mills, S. E. & Stelow, E. B. (2008). The cytologic features of sinonasal undifferentiated carcinoma and olfactory neuroblastoma. Am J Clin Pathol, 129(3), 367-76. PMID: 18285258.

Gazoni, L. M., Laubach, V. E., Mulloy, D. P., Bellizzi, A. M., Unger, E. B., Linden, J., Ellman, P. I., Lisle, T. C. & Kron, I. L. (2008). Additive protection against lung ischemia-reperfusion injury by adenosine A2A receptor activation before procurement and during reperfusion. J Thorac Cardiovasc Surg, 135(1), 156-65. PMID: 18179933.

Bellizzi, A. M., Legallo, R. D. & Iezzoni, J. C. (2008). Cytokeratin 7 hepatocyte immunoreactivity in chronic allograft rejection. 2008 United States and Canadian Academy of Pathology Annual Meeting.

Bellizzi, A. M., Woodford, R. L. & Stelow, E. B. (2008). Investigation of the molecular mechanism of esohpageal basaloid squamous cell carcinoma. 2008 United States and Canadian Academy of Pathology Annual Meeting.

Lisle, T. C., Fernandez, L. G., Gazoni, L. M., Sharma, A. K., Bellizzi, A. M., Linden, J. M., Laubach, V. E. & Kron, I. L. (2008). Lung injury after cardiopulmonary bypass is attenuated by adenosine A2A receptor activation. 2008 American Association for Thoracic Surgery Annual Meeting.

Woodford, R. L., Hunt, J. L., Bellizzi, A. M., Zhang, X., Mills, S. E. & Stelow, E. B. (2008). Papillary oncocytic neoplasms of the thyroid. 2008 United States and Canadian Academy of Pathology Annual Meeting.

Bellizzi, A. M., Bruzzi, C., French, C. A. & Stelow, E. B. (2008). The cytologic features of NUT midline carcinoma. 2008 American Society of Cytopathology Annual Meeting.

Stelow, E. B., Bellizzi, A. M., Mills, S. E., Kutok, J. L., Aster, J. C., Legallo, R. D. & French, C. A. (2008). Undifferentiated carcinomas of the upper aerodigestive tract associated with NUT rearrangements. 2008 United States and Canadian Academy of Pathology Anual Meeting.

Kerr, S. E., Bellizzi, A. M., Stelow, E. B. & Policarpio-Nicholas, M. (2008). Preliminary assessment of fine needle aspiration specimens by telepathology: Validation for use in pathology resident and faculty consultations. 2008 United States and Canadian Academy of Pathology Annual Meeting.

Sharma, P., Taigen, T. L., Bellizzi, A. M. & Townsend, G. C. (2007). Sinuorbital zygomycosis complicated by diabetic ketoacidosis. UVA Journal of Medicine, 1, 28-32.

Gazoni, L. M., Laubach, V. E., Mulloy, D. P., Bellizzi, A. M., Unger, E. B., Linden, J., Ellman, P. I., Lisle, T. C. & Kron, I. L. (2007). Additive protection against lung ischemia-reperfusion injury by adenosine A2A receptor activation before procurement and during reperfusion. 2007 American Association for Thoroacic Surgery (AATS) Annual Meeting.

Bellizzi, A. M., Bourne, T. D., Mills, S. E. & Stelow, E. B. (2007). Immunohistochemistry of molecular markers in sinonasal undifferentiated carcinomas. 2007 United States and Canadian Academy of Pathology Annual Meeting.

Stelow, E. B., Safo, T. O., Pambuccian, S. E., Bauer, T. W., Stokes, J. B., Bellizzi, A. M., Adams, R. B. & Moskaluk, C. A. (2007). Mucus extravasation in pancreatic intraepithelial mucinous neoplasms (IPMNs and MCNs): a finding not to be confused with invasive adenocarcinoma. 2007 United States and Canadian Academy of Pathology Annual Meeting.

Bellizzi, A. M., Bellizzi, S. M., Kahaleh, M. & Stelow, E. B. (2007). The assessment of specimens produred by endoscopic ampullectomy. 2007 United States and Canadian Academy of Pathology Annual Meeting.

Bellizzi, A. M., Bourne, T. D., Mills, S. E. & Stelow, E. B. (2007). The cytology of sinonasal undifferentiated carcinoma and olfactory neuroblastoma. 2007 American Society of Cytopathology Annual Meeting.

Lommatzsch, S. E., Bellizzi, A. M., Cathro, H. P. & Rosner, M. H. (2006). Acute renal failure caused by renal infiltration by hematolymphoid malignancy. Annals of Diagnostic Pathology, 10(4), 230-234. DOI: 10.1016/j.anndiagpath.2005.09.015.

Bellizzi, A. M., Moskaluk, C. A. & Stelow, E. B. (2006). Mismatch repair protein deficiency and precursor intraepithelial serration in colorectal adenocarcinomas. USCAP Annual Meeting.

Bellizzi, A. M. Practical pancreatic pathology.