Siri A. Urquhart, M.D.

  1. Gastroenterologist
  1. Urquhart SA, Velasquez LEO, Kisiel JB, Coelho-Prabhu N. Clinical characteristics and outcomes of appendiceal neoplasms in inflammatory bowel disease: A tertiary care center experience. Clin Res Hepatol Gastroenterol. 2026 Mar; 50 (3):102778 Epub 2026 Feb 01
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  2. Urquhart SA, Ramesh PR, Kane SV, Raffals LE, Loftus EV Jr, Bruining DH, Stephens MC, Eaton JE, Lazaridis KN, Hashash JG, Ha CY, Harmsen WS, Coelho-Prabhu N. Oral Vancomycin Is an Effective Therapy in Adult Patients With Inflammatory Bowel Disease and Primary Sclerosing Cholangitis. Gastro Hep Adv. 2026; 5 (5):100920 Epub 2026 Mar 12
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  3. Chiang D, Mohamed MF, Urquhart SA, Loftus EV Jr. Mild Crohn's disease: current treatments and future considerations. Current Treatment Options in Gastroenterology. 2025; 23(23):1-9.
  4. Urquhart SA, Sweetser S. When Cancer Erupts: Recognizing the Volcano Lesion in Gastric Metastases. ACG Case Rep J. 2025 Sep; 12 (9):e01836 Epub 2025 Sept 19
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  5. Dunleavy K, Meyers A, Violante T, Kassmeyer B, Urquhart SA, Coelho-Prabhu N, Raffals L, Larson D. Oral Vancomycin as an Emerging Therapy for Inflammatory Pouch Conditions Associated With Primary Sclerosing Cholangitis. Inflamm Bowel Dis. 2025 Sep 1; 31 (9):2597-2601
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  6. Ospina Velasquez LE, Papadakis KA, Urquhart SA. Ustekinumab-Induced Vasculitis in a Patient With Crohn's Disease. ACG Case Rep J. 2025 Mar; 12 (3):e01625 Epub 2025 Mar 05
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  7. Urquhart SA, Pallipamu N, Voruganti HV, Baraskar B, Muddaloor P, Sethi AK, Redij R, Aedma K, Gopalakrishnan K, Poigai Arunachalam S, Burger KN, Mahoney DW, Kassmeyer BA, Lennon RJ, Kisiel JB, Coelho-Prabhu N. Nonconventional dysplasia in patients with inflammatory bowel disease and colorectal adenocarcinoma: a case-cohort study. J Crohns Colitis. 2025 Feb 4; 19 (2)
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  8. Urquhart SA, Chedid VG, Kane SV. Use of Upadacitinib as Salvage Therapy for Ulcerative Colitis in Pregnancy: A Case Report. Inflamm Bowel Dis. 2025 Jan 6; 31 (1):300-301
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  9. Urquhart SA, Christof M, Coelho-Prabhu N. The impact of artificial intelligence on the endoscopic assessment of inflammatory bowel disease-related neoplasia. Ther Adv Gastroenterol. 2025; 18:17562848251348574 Epub 2025 June 23
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  10. Urquhart SA, Smyrk TC, Harmsen WS, Loftus EV Jr, Kisiel JB, Coelho-Prabhu N. Clinical Characteristics and Outcomes of Small Bowel Neoplasms in Crohn's Disease: A Case-Control Study. Crohns Colitis 360. 2025 Jan; 7 (1):otaf001 Epub 2025 Feb 07
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  11. Urquhart SA, Kim GY, Anderson KR, Chedid VG. Orofacial Granulomatosis and Crohn's Disease: A Case Series. ACG Case Rep J. 2024 Nov; 11(11):e01559. Epub 2024 Nov 16.
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  12. Urquhart SA, Comstock BP, Jin MF, Day CN, Eaton JE, Harmsen WS, Raffals LE, Loftus EV Jr, Coelho-Prabhu N. The Incidence of Pouch Neoplasia Following Ileal Pouch-Anal Anastomosis in Patients With Inflammatory Bowel Disease. Inflamm Bowel Dis. 2024 Feb 1; 30 (2):183-189
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  13. Urquhart SA, Ewy MW, Flicek KT, Fidler JL, Sheedy SP, Harmsen WS, Chedid VG, Coelho-Prabhu N. Clinical and Radiographic Characteristics in Segmental Colitis Associated With Diverticulosis, Diverticulitis, and Crohn's Disease. Gastro Hep Adv. 2024; 3 (7):901-909 Epub 2024 June 15
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  14. Urquhart SA, Alexander GL. Painful Nodules and Chronic Abdominal Pain: An Unusual Cause. Gastroenterology. 2023 Jul; 165 (1):e3-e5 Epub 2022 Dec 31
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  15. Urquhart SA, Guo R, Alexander GL. Elevated Carcinoembryonic Antigen as Initial Presenting Sign of Medullary Thyroid Carcinoma. Am J Med. 2023 May; 136 (5):e81-e84 Epub 2023 Feb 02
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  16. Urquhart SA, Quinn KP, Alexander GL. An Unusual Cause of Abdominal Pain. Gastroenterology. 2023 May; 164 (6):e26-e27 Epub 2020 Feb 01
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  17. Quinn KP, Urquhart SA, Janssens LP, Lennon RJ, Chedid VG, Raffals LE. Primary Sclerosing Cholangitis-Associated Pouchitis: A Distinct Clinical Phenotype. Clin Gastroenterol Hepatol. 2022 May; 20 (5):e964-e973 Epub 2021 Feb 04
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  18. Urquhart SA, Quinn KP, Ravi K, Loftus EV Jr. The Clinical Characteristics and Treatment Outcomes of Concomitant Eosinophilic Esophagitis and Inflammatory Bowel Disease. Crohns Colitis 360. 2021 Apr; 3 (2):otab018 Epub 2021 May 12
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  19. Urquhart SA, Coelho-Prabhu N. Jejunal Polyps out of Place: A Case of Gastric Heterotopia of the Jejunum. Case Rep Gastrointest Med. 2020; 2020:8822019 Epub 2020 Aug 20
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  20. Rebel AA, Urquhart SA, Puig KL, Ghatak A, Brose SA, Golovko MY, Combs CK. Brain changes associated with thromboxane receptor antagonist SQ 29,548 treatment in a mouse model. J Neurosci Res. 2015 Aug; 93 (8):1279-92 Epub 2015 Feb 22
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  21. Puig KL, Lutz BM, Urquhart SA, Rebel AA, Zhou X, Manocha GD, Sens M, Tuteja AK, Foster NL, Combs CK. Overexpression of mutant amyloid-beta protein precursor and presenilin 1 modulates enteric nervous system. J Alzheimers Dis. 2015; 44 (4):1263-78
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