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Researcher Profile

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Nimalan Jeganathan, MD

Nimalan Jeganathan, MD

Assistant Professor, Department of Surgery
Division of Colon and Rectal Surgery
Disease Teams:
Cancer Institute, Gastrointestinal Cancer Team

Research Interests

  • Therapeutics
  • Crohn Disease
  • Lymph Nodes
  • Colonic Pouches
  • Rectal Neoplasms
  • Survival
  • Databases
  • Microbiota
  • Fecal Incontinence
  • Diverticulitis
  • Patient Reported Outcome Measures
  • Delphi Technique

Recent Publications


Portolese, AC, McMullen, BN, Baker, SK, Chen See, JR, Yochum, GS, Koltun, WA, Lamendella, R & Jeganathan, NA 2023, 'The Microbiome of Complicated Diverticulitis: An Imbalance of Sulfur-Metabolizing Bacteria', Diseases of the colon and rectum, vol. 66, no. 5, pp. 707-715.


Mankarious, MM, Deutsch, MJ & Jeganathan, NA 2022, 'Intraoperative Techniques for Gaining Ileoanal Pouch Reach', Clinics in Colon and Rectal Surgery, vol. 35, no. 6, pp. 458-462.


Kline, BP & Jeganathan, NA 2022, 'Necrotizing Soft Tissue Infections of the Perineum', Clinics in Colon and Rectal Surgery, vol. 35, no. 3, pp. 237-243.
Cavallaro, PM, Fearnhead, NS, Bissett, IP, Brar, MS, Cataldo, TE, Clarke, R, Denoya, P, Elder, AL, Gecse, KB, Hendren, S, Holubar, S, Jeganathan, N, Myrelid, P, Norton, BA, Wexner, SD, Wilson, L, Zaghiyan, K & Bordeianou, L 2021, 'Patients Undergoing Ileoanal Pouch Surgery Experience a Constellation of Symptoms and Consequences Representing a Unique Syndrome: A Report from the Patient-Reported Outcomes after Pouch Surgery (PROPS) Delphi Consensus Study', Diseases of the colon and rectum, pp. 861-870.
Jeganathan, NNA & Koltun, WA 2021, 'Special Considerations of Anastomotic Leaks in Crohn's Disease', Clinics in Colon and Rectal Surgery, vol. 34, no. 6, pp. 412-416.
Jeganathan, NA, Davenport, ER, Yochum, GS & Koltun, WA 2021, 'The microbiome of diverticulitis', Current Opinion in Physiology, vol. 22, 100452.


Hussain, T, Jeganathan, NA, Karagkounis, G, Stocchi, L, Shawki, S, Holubar, SD, Gordon, I, Hull, T & Liska, D 2020, 'Small bowel adenocarcinoma in Crohn’s disease: a rare but devastating complication', Techniques in Coloproctology, vol. 24, no. 10, pp. 1055-1062.
Eshelman, MA, Harris, L, Deiling, S, Koltun, WA, Jeganathan, NA & Yochum, GS 2020, 'Transcriptomic analysis of ileal tissue from crohn’s disease patients identifies extracellular matrix genes that distinguish individuals by age at diagnosis', Physiological genomics, vol. 52, no. 10, pp. 478-484.


Eshelman, MA, Jeganathan, NA, Schieffer, KM, Kline, BP, Mendenhall, M, Deiling, S, Harris, L, Koltun, WA & Yochum, GS 2019, 'Elevated colonic mucin expression correlates with extended time to surgery for ulcerative colitis patients', Journal of Gastrointestinal and Liver Diseases, vol. 28, no. 4, pp. 405-413.