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Somashekar Krishna, MD, MPH

Somashekar Krishna, MD, MPH

Clinical Interests
Endoscopic ultrasound, ERCP, luminal stent placement, therapeutic endoscopy

Research Interests
Solid and cystic pancreatic lesions, therapeutic endoscopy, advanced imaging techniques, gastrointestinal complications of chemotherapy

Present Position
Assistant Professor
Division of Gastroenterology, Hepatology and Nutrition
The Ohio State University Wexner Medical Center

2000 Master of Public Health (MPH) in Epidemiology
University of Alabama at Birmingham, Alabama

1998 Bachelor of Medicine & Bachelor of Surgery
Bangalore Medical College, India

Postgraduate Training

2012 Fellowship in Advanced Therapeutic Endoscopy
The University of Texas MD Anderson Cancer Center, Houston, Texas

2011 Fellowship in Gastroenterology and Hepatology
University of Arkansas for Medical Sciences

2003 Residency in Internal Medicine
University of Arkansas for Medical Sciences

Board Certifications

2004 Board Certified in Internal Medicine
2012 Board Certified in Gastroenterology and Hepatology


2009 American College of Gastroenterology/AstraZeneca Senior Fellow Award
2009 American College of Gastroenterology Presidential Poster Award
2009 Fellowship2Leadership fellow educational award
2008 Winner, Clinical Research, American College of Physicians, Arkansas chapter
2003 Best Primary Care Resident, John L. McClellan Veteran’s Hospital, Arkansas


2008 American Gastroenterological Association
2008 American College of Gastroenterology
2008 American Society for Gastrointestinal Endoscopy
2004 American Board of Internal Medicine


  1. Krishna SG, Zhao W, Apewokin SK, Krishna K, Chepyala P, Anaissie EJ. Risk factors, preemptive therapy, and antiperistaltic agents for Clostridium difficile Infection in cancer patients. Transplant Infectious Disease, accepted January 2013
  2. Lee JH, Krishna SG, Singh A, Ladha HS, Slack RS, Ramireddy S, Raju GS, Davila M, Ross WA. Comparison of the utility of covered metal stents versus uncovered metal stents in the management of malignancy biliary strictures in 749 patients. Gastrointestinal Endoscopy, accepted December 2012.
  3. Wang W, Shpaner A, Krishna SG, Ross WA, Bhutani MS, Tamm EP, Raju GS, Xiao L, Lee JH. Utilization of endoscopic ultrasound-fine needle aspiration in diagnosing pancreatic neoplasm without a definitive mass on computed tomography. Gastrointestinal Endoscopy, accepted December 2012
  4. Atiq M, Suzuki R, Khan AS, Krishna SG, Ridgway TM, Guha S, Hernandez LV, Nealon WH, Lee JH, Bhutani MS. Clinical decision making in the management of cystic neoplasms of pancreas. Expert Review of Gastroenterology & Hepatology (accepted).
  5. Krishna SG, Ghouri YA, Suzuki R, Bhutani M. A first report of uterine cervical cancer metastases to mediastinal lymph nodes diagnosed by endoscopic ultrasound guided fine needle aspiration. Endoscopic Ultrasound, accepted November 2013
  6. Krishna SG, Rao BR, Lee JH. Endoscopic sonography and sonographically guided fine-needle aspiration biopsy in the diagnosis of unusual pancreatic metastases from synovial sarcoma. Journal of Clinical Ultrasound, accepted November 2013
  7. Krishna SG, Lee JH. Endosonography in solid and cystic pancreatic tumors. J Interv Gastroenterol. 2011 Oct; 1 (4) :193-201. PubMed PMID:22586537
  8. Krishna SG, Rami Reddy S, Sargent RL, Suzuki R, Bhutani MS. Colonic lymphocytic infiltration in chronic lymphocytic leukemia. Visible Human Journal Of Endoscopy, Issue 1, 2012, Vol 11
  9. Krishna SG, Stroehlein JR, Foo WC, Suzuki R, Reddy SR, Bhutani MS. Iatrogenic infection of a colonic cystic lymphangioma following cold-forceps biopsy. Endoscopy. 2012 Apr; 44 (S 02) :E104-E105. PubMed PMID: 22477167.
  10. Krishna SG, Suzuki R, Bhutani MS. A first report of endoscopic ultrasound-guided biopsy in the diagnosis of desmoid-type fibromatosis. Endoscopy. 2011 Dec; 43 Suppl 2 UCTN: E417-8. PubMed PMID: 22275031.
  11. Krishna SG, Heif MM, Sharma SG, Pandey T, Rego RF. Intrapancreatic accessory spleen: investigative dilemmas and role of EUS-guided FNA for diagnostic confirmation. JOP. 2011 Nov 9; 12 (6):603-6. PubMed PMID: 22072251.
  12. Kakati B, Krishna SG, Sharma S, Rego R. Pseudomelanosis duodeni: a rare finding from upper endoscopy. Dig Endoscopy. 2011 Apr; 23 (2):201-2. PubMed PMID: 21429033.
  13. Krishna SG, Zhao W, Grazziutti ML, Sanathkumar N, Barlogie B, Anaissie EJ. Incidence and risk factors for lower alimentary tract mucositis after 1529 courses of chemotherapy in a homogenous population of oncology patients: clinical and research implications. Cancer. 2011 Feb 1; 117 (3):648-55. PubMed PMID: 20862749.
  14. Krishna SG, Kakati BR, Olden KW, Brown DK. Treatment of eosinophilic esophagitis: is oral viscous budesonide superior to swallowed fluticasone spray? Gastroenterol Hepatol (N Y). 2011 Jan; 7 (1):55-9. PubMed PMID: 21346855; PubMed Central PMCID: PMC3038319.
  15. Krishna K, Krishna SG, Coviello-malle JM, Yacoub A, Hutchins LF. Celiac crisis in a patient with chronic lymphocytic leukemia and hypogammaglobulinemia. Clin Res Hepatol Gastroenterol. 2011 Jan; 35 (1):70-3. PubMed PMID: 20822871.
  16. Kakati BR, Krishna SG, Dang SM, Mahler HR, Morton WJ. Colonic Perforation Following Polypectomy of a Gastrointestinal Follicular Lymphoma Masquerading as a Colon Polyp. J Gastrointest Cancer. 2010 Oct 5; PubMed PMID: 20922579.
  17. Kakati BR, Krishna K, Krishna SG, Sharma SG, Sanathkumar N, Rego RF. Extensive Extramedullary Disease Involving the Colon in Multiple Myeloma: A Case Report and Review of Literature. J Gastrointest Cancer. 2010 Aug 12; PubMed PMID: 20703830.
  18. Krishna SG, Barlogie B, Lamps LW, Krishna K, Aduli F, Anaissie E. Recurrent spontaneous gastrointestinal graft-versus-host disease in autologous hematopoietic stem cell transplantation. Clin Lymphoma Myeloma Leuk. 2010 Feb; 10 (1):E17-21. PubMed PMID: 20223723.
  19. Krishna SG, Lamps LW, Rego RF. Ampullary carcinoid: diagnostic challenges and update on management. Clin Gastroenterol Hepatol. 2010 Jan; 8 (1):e5-6. PubMed PMID: 19643204.
  20. Krishna SG, McElreath DP, Rego RF. Direct pancreatoscopy with an ultrathin forward-viewing endoscope in intraductal papillary mucinous neoplasm of the pancreas. Clin Gastroenterol Hepatol. 2009 Dec; 7 (12):e75-6. PubMed PMID: 19683071.
  21. Krishna SG, Rose J, Jambhekar K, Olden K, Aduli F. Cirrhosis of liver and an unusual ectopic site of portosystemic shunt: left adnexal venous varix presenting with hematuria. Am J Gastroenterol. 2009 Sep; 104 (9):2365-6. PubMed PMID: 19727104.
  22. Atiq M, Ali SA, Dang S, Krishna SG, Anaisse E, Olden KW, Aduli F. Pancreatic plasmacytoma presenting as variceal hemorrhage: life threatening complication of a rare entity. JOP. 2009 Mar 9; 10 (2):187-8. PubMed PMID:19287115.
  23. Dang S, Atiq M, Krishna SG, Lamps LW, Olden KW, Aduli F. Idiopathic esophageal ulcers after autologous hemopoetic stem cell transplant: possible role of IgA levels. Ann Hematol. 2008 Dec; 87 (12):1031-2. PubMed PMID: 18633617.
  24. Talamo G, Cavallo F, Zangari M, Barlogie B, Lee CK, Pineda-Roman M, Kiwan E, Krishna SG, Tricot G. Hyperammonemia and encephalopathy in patients with multiple myeloma. Am J Hematol. 2007 May; 82 (5):414-5. PubMed PMID: 17133420.
  25. Shaughnessy JD Jr, Zhan F, Burington BE, Huang Y, Colla S, Hanamura I, Stewart JP, Kordsmeier B, Randolph C, Williams DR, Xiao Y, Xu H, Epstein J, Anaissie E, Krishna SG, Cottler-Fox M, Hollmig K, Mohiuddin A, Pineda-Roman M, Tricot G, van Rhee F, Sawyer J, Alsayed Y, Walker R, Zangari M, Crowley J, Barlogie B. A validated gene expression model of high-risk multiple myeloma is defined by deregulated expression of genes mapping to chromosome 1. Blood. 2007 Mar 15; 109 (6):2276-84. PubMed PMID: 17105813.
  26. Pineda-Roman M, Bolejack V, Arzoumanian V, Anaissie E, van Rhee F, Zangari M, Walker R, Hollmig K, Shaughnessy JD Jr, Epstein J, Krishna SG, Crowley J, Barlogie B. Complete response in myeloma extends survival without, but not with history of prior monoclonal gammopathy of undetermined significance or smouldering disease. Br J Haematol. 2007 Feb; 136 (3):393-9. PubMed PMID: 17156398.
  27. Grazziutti ML, Dong L, Miceli MH, Krishna SG, Kiwan E, Syed N, Fassas A, van Rhee F, Klaus H, Barlogie B, Anaissie EJ. Oral mucositis in myeloma patients undergoing melphalan-based autologous stem cell transplantation: incidence, risk factors and a severity predictive model. Bone Marrow Transplant. 2006 Oct; 38 (7):501-6. PubMed PMID: 16980998.
  28. Talamo G, Cavallo F, Zangari M, Barlogie B, Lee CK, Pineda-Roman M, Kiwan E, Krishna SG, Tricot G. Clinical and biological features of multiple myeloma involving the gastrointestinal system. Haematologica. 2006 Jul; 91 (7):964-7. PubMed PMID: 16818286.
  29. Barlogie B, Tricot G, Anaissie E, Shaughnessy J, Rasmussen E, van Rhee F, Fassas A, Zangari M, Hollmig K, Pineda-Roman M, Lee C, Talamo G, Thertulien R, Kiwan E, Krishna SG, Fox M, Crowley J. Thalidomide and hematopoietic-cell transplantation for multiple myeloma. N Engl J Med. 2006 Mar 9; 354 (10) :1021-30. PubMed PMID: 16525139.
  30. Grazziutti ML, Dong L, Miceli MH, Cottler-Fox M, Krishna SG, Fassas A, van Rhee F, Barlogie BM, Anaissie EJ. Recovery from neutropenia can be predicted by the immature reticulocyte fraction several days before neutrophil recovery in autologous stem cell transplant recipients. Bone Marrow Transplant. 2006 Feb; 37 (4):403-9. PubMed PMID: 16400338.

Invited/Selected Presentations

  1. 19th Annual North American Conference of Gastroenterology Fellows 2009, American College of Gastroenterology, Orlando, Florida “Neutropenic enterocolitis and C.difficile infection in cancer patients undergoing chemotherapy: lessons from a homogeneous population of patients with multiple myeloma”.
  2. Arkansas-Oklahoma Endoscopic Society Annual Meeting 2009, Dallas, Texas “Neutropenic enterocolitis in cancer patients undergoing chemotherapy: lessons from a homogeneous population of patients with multiple myeloma”.