Jon H. Ritter, MD

Jon H. Ritter, MD

Professor, Pathology & Immunology
Section Head, Thoracic Pathology
Director, Surgical (Selective) Pathology Fellowship


  • Anatomic & Molecular Pathology

Additional Titles

  • Director, Selective (Surgical) Pathology Fellowship


  • Medical Degree: University of Minnesota School of Medicine (1988)

Board Certifications

  • Board certified, Anatomic Pathology, 1993


  • 1996 John Kissane  Teaching excellence award in Pathology
  • 2008 John Kissane  Teaching excellence award in Pathology
  • 2011 John Kissane  Teaching excellence award in Pathology
  • 2009, 2010, 2011 “Best Doctors in St. Louis,”  St. Louis Magazine
  • 2014, President, Minnesota Society of Pathologists

Clinical Interests

  • Autopsy
  • Breast Pathology
  • GI & Pancreatic Pathology
  • Thoracic Pathology

Selected Publications

Gnerlich J, Ritter JH, et al.. Saline-Linked Surface Radiofrequency Ablation (SLSRFA): A Safe and Effective Method of Surface Ablation of Hepatic Metastatic Colorectal Cancer. (in press; Annals of Surg), 2009
Velcheti V, Ritter JH, et al.. Absence of Mutations in the Epidermal Growth Factor Receptor (EGFR) Kinase Domain in Patients with Mesothelioma. (in press, J Thoracic Oncol), 2009
Okazaki M, Gelman AE, Tietjens JR, Ibricevic A, Kornfeld CG, Huang HJ, Richardson SB, Ritter JH, Lai J, Garbow JR, Patterson GA, Krupnick AS, Brody SL, Kreisel D.. A mouse model of orthotopic vascularized aerated lung transplantation.. Am J Transplant 7: 1672-1679, 2007
Zhang MQ, Lin F, Hui P, Chen ZM, Ritter JH, Wang HL.. Expression of mucins, SIMA, villin, and CDX2 in small-intestinal adenocarcinoma.. Am. J Clin Pathol. 128: 808-816, 2007
Fayanju OM, Ritter J, Gillanders WE, Eberlein TJ, Dietz JR, Aft R, Margenthaler JA.. Therapeutic management of intracystic papillary carcinoma of the breast: the roles of radiation and endocrine therapy.. Am J Surg. 194: 497-500, 2007
Lewis JS. Ritter JH. El-Mofty S.. Alternative epithelial markers in sarcomatoid carcinomas of the head and neck, lung, and bladder-p63, MOC-31, and TTF-1.. Modern Pathology. 18:1471-81, 2005
Chen ZM. Ritter JH. Wang HL.. Differential expression of alpha-methylacyl coenzyme A racemase in adenocarcinomas of the small and large intestines.. Modern Pathology. 18:1471-81, 2005
Sumino KC. Agapov E. Pierce RA. Trulock EP. Pfeifer JD. Ritter JH. Gaudreault-Keener M. Storch GA. Holtzman MJ.. Detection of severe human metapneumovirus infection by real-time polymerase chain reaction and histopathological assessment.. Journal of Infectious Diseases. 192(6):1052-60, 2005
Battafarano RJ. Fernandez FG. Ritter J. Meyers BF. Guthrie TJ. Cooper JD. Patterson GA.. Large cell neuroendocrine carcinoma: an aggressive form of non-small cell lung cancer. Journal of Thoracic & Cardiovascular Surgery.. Journal of Thoracic & Cardiovascular Surgery. 130(1):166-72, 2005
Battafarano R. Lee R. Patterson GA. Sundt T. Gutierrez F. Dehdashti F. Ritter J. Govindan R. Bradley J.. Clinical-pathologic conference in general thoracic surgery: Cardiac lymphoma. Clinical Conference.. Journal of Thoracic & Cardiovascular Surgery. 130(3):870-4, 2005
Suda T. Daddi N. Tagawa T. Kanaan SA. Kozower BD. Ritter JH. Patterson GA.. Recipient intramuscular cotransfection of transforming growth factor beta1 and interleukin 10 ameliorates acute lung graft rejection.. Journal of Thoracic & Cardiovascular Surgery. 129(4):926-31, 2005
Fernandez FG, Ritter JH, Goodwin JW, Linehan DC, Hawkins WG, Strasberg SM. Effect of steatohepatitis associated with irinotecan or oxaliplatin pretreatment on resectability of hepatic colorectal metastases. J Am Coll Surg 200:845-853, 2005 Abstract
Chakinala MM, Ritter JH, Gage BF, Aloush AA, Hachem RH, Lynch JP, Patterson GA, Trulock EP.Reliability for grading acute rejection and airway inflammation after lung transplantation, based on the lung rejection study group revised working formulation. J Heart Lung Transplant 24:652-657, 2005 Abstract
Wick MR, Vitsky JL, Ritter JH, Swanson PE, Mills SE. Sporadic medullary carcinoma of the colon: a clinicopathologic comparison with nonhereditary poorly differentiated enteric-type adenocarcinoma and neuroendocrine colorectal carcinoma. Am J Clin Pathol 123:56-65, 2005 Abstract
Chakinala MM, Ritter J, Gage BF, Lynch JP, Aloush A, Patterson GA, Trulock EP. Yield of surveillance bronchoscopy for acute rejection and lymphocytic bronchiolitis after lung transplantation. J Heart Lung Transplant 23:1396-1404, 2004 Abstract
Tagawa T, Kozower BD, Kanaan SA, Daddi N, Muraoka M, Oka T, Ritter JH, Patterson GA. Gene transfer of tumor necrosis factor inhibitor improves the function of lung allografts. J Thorac Cardiovasc Surg 127:1558-1563, 2004 Abstract
Topp SA, McClurken M, Lipson D, Upadhya GA, Ritter JH, Linehan D, Strasberg SM. Saline-linked surface radiofrequency ablation: factors affecting steam popping and depth of injury in the pig liver. Ann Surg 239:518-527, 2004 Abstract
Daddi N, Kanaan SA, Suda T, Tagawa T, D’Ovidio F, Grapperhaus K, Kozower BD, Ritter JH, Mohanakumar. Recipient intramuscular administration of naked plasmid TGF-beta1 attenuates lung graft reperfusion injury. J Heart Lung Transplant 22:1323-1334, 2003 Abstract
Weinstock L, Brunt LM, Ritter J, Deschryver K. Early stage gastric cancer. Gastrointest Endosc 57:385, 2003 Abstract
Teefey SA, Hildeboldt CC, Dehdashti F, Siegel BA, Peters MG, Heiken JP, Brown JJ, McFarland EG, Midd. Detection of primary hepatic malignancy in liver transplant candidates: prospective comparison of CT, MR imaging, US, and PET. Radiology 226:533-542, 2003 Abstract
Kanaan SA, Kozower BD, Suda T, Daddi N, Tagawa T, Ritter JH, Mohanakumar T, Patterson GA.Intra-tracheal adenovirus-mediated gene transfer is optimal in experimental lung transplantation. J Thorac Cardiovasc Surg 124:1130-1136, 2002 Abstract

Lisa Schreiber
BJCIH Room 3422