Steven Ahrendt, MD
Professor, Surgery-Surgical Oncology

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Medical School:
  • MD, University of Chicago Division of the Biological Sciences The Pritzker School of Medicine (1987)
Undergraduate School:
  • BS, University of Illinois–Urbana-Champaign (IL) (1983)
Internship:
  • Johns Hopkins University School of Medicine Program (1988)
Residency:
  • Johns Hopkins University School of Medicine Program, Chief Resident, Surgery (1994)
Fellowships:
  • Johns Hopkins University School of Medicine Program, Complex General Surgical Oncology (1995)
Languages: English, German
Department: Surgery-Surgical Oncology

Professional Titles

  • Director, Cytoreductive Surgery/HIPEC Program

Teaching

  • Professor (2017)
    School of Medicine, Surgery

Publications

  • Oba A, Croce C, Hosokawa P, Meguid C, Torphy RJ, Al-Musawi MH, Ahrendt S, Gleisner A, Schulick RD, Del Chiaro M. Prognosis Based Definition of Resectability in Pancreatic Cancer: A Road Map to New Guidelines. Ann Surg. 2022 Jan 1;275(1):175-181. PubMed PMID: 32149822
  • Oase K, Cheryl M, Oba A, Al-Musawi MH, Sheridan A, Norris E, Mehrotra S, Lovell MA, Schulick RD, Ahrendt SA, Chiaro MD. Solid Pseudopapillary Neoplasm: A Single Institutional Case Series of a Rare Pancreatic Tumor. J Adv Pract Oncol. 2022 Jul;13(5):497-505. PubMed PMID: 35910503
  • Oba A, Wu YHA, Colborn KL, Karam SD, Meguid C, Al-Musawi MH, Bao QR, Gleisner AL, Ahrendt S, Schulick RD, Del Chiaro M. Comparing neoadjuvant chemotherapy with or without radiation therapy for pancreatic ductal adenocarcinoma: National Cancer Database cohort analysis. Br J Surg. 2022 Apr 19;109(5):450-454. PubMed PMID: 35136963
  • Oba A, Croce C, Hosokawa P, Meguid C, Torphy RJ, Al-Musawi MH, Ahrendt S, Gleisner A, Schulick RD, Del Chiaro M. Prognosis Based Definition of Resectability in Pancreatic Cancer: A Road Map to New Guidelines. Ann Surg. 2022 Jan 1;275(1):175-181. PubMed PMID: 32149822
  • Oase K, Cheryl M, Oba A, Al-Musawi MH, Sheridan A, Norris E, Mehrotra S, Lovell MA, Schulick RD, Ahrendt SA, Chiaro MD. Solid Pseudopapillary Neoplasm: A Single Institutional Case Series of a Rare Pancreatic Tumor. J Adv Pract Oncol. 2022 Jul;13(5):497-505. PubMed PMID: 35910503
  • Oba A, Wu YHA, Colborn KL, Karam SD, Meguid C, Al-Musawi MH, Bao QR, Gleisner AL, Ahrendt S, Schulick RD, Del Chiaro M. Comparing neoadjuvant chemotherapy with or without radiation therapy for pancreatic ductal adenocarcinoma: National Cancer Database cohort analysis. Br J Surg. 2022 Apr 19;109(5):450-454. PubMed PMID: 35136963
  • Oba A, Croce C, Hosokawa P, Meguid C, Torphy RJ, Al-Musawi MH, Ahrendt S, Gleisner A, Schulick RD, Del Chiaro M. Prognosis Based Definition of Resectability in Pancreatic Cancer: A Road Map to New Guidelines. Ann Surg. 2022 Jan 1;275(1):175-181. PubMed PMID: 32149822
  • Mercier F, Passot G, Bonnot PE, Cashin P, Ceelen W, Decullier E, Villeneuve L, Walter T, Levine EA, Glehen O. An International Registry of Peritoneal Carcinomatosis from Appendiceal Goblet Cell Carcinoma Treated with Cytoreductive Surgery and Hyperthermic Intraperitoneal Chemotherapy. World J Surg. 2022 Jun;46(6):1336-1343. PubMed PMID: 35286418
  • Torphy RJ, Friedman C, Halpern AL, Ahrendt SA, McCarter MD, Del Chiaro M, Schulick RD, Gleisner A. Implementation of Minimally Invasive Pancreaticoduodenectomy at Low and High-Volume Centers. J Surg Res. 2021 Dec;268:720-728. PubMed PMID: 34487965
  • Oba A, Wu YHA, Lieu CH, Meguid C, Colborn KL, Beaty L, Al-Musawi MH, Davis SL, Leal AD, Purcell T, King G, Wooten ES, Fujiwara Y, Goodman KA, Schefter T, Karam SD, Gleisner AL, Ahrendt S, Leong S, Messersmith WA, Schulick RD, Del Chiaro M. Outcome of neoadjuvant treatment for pancreatic cancer in elderly patients: comparative, observational cohort study. Br J Surg. 2021 Aug 19;108(8):976-982. PubMed PMID: 34155509
  • Wu YHA, Oba A, Beaty L, Colborn KL, Rodriguez Franco S, Harnke B, Meguid C, Negrini D, Valente R, Ahrendt S, Schulick RD, Del Chiaro M. Ductal Dilatation of =5 mm in Intraductal Papillary Mucinous Neoplasm Should Trigger the Consideration for Pancreatectomy: A Meta-Analysis and Systematic Review of Resected Cases. Cancers (Basel). 2021 Apr 22;13(9). PubMed PMID: 33922344
  • Mungo B, Croce C, Oba A, Ahrendt S, Gleisner A, Friedman C, Schulick RD, Del Chiaro M. Controversial Role of Adjuvant Therapy in Node-Negative Invasive Intraductal Papillary Mucinous Neoplasm. Ann Surg Oncol. 2021 Mar;28(3):1533-1542. PubMed PMID: 32743713
  • Mungo B, Croce C, Oba A, Ahrendt S, Gleisner A, Friedman C, Schulick RD, Del Chiaro M. Controversial Role of Adjuvant Therapy in Node-Negative Invasive Intraductal Papillary Mucinous Neoplasm. Ann Surg Oncol. 2020 Aug 2. [Epub ahead of print] PubMed PMID: 32743713
  • Wu YHA, Samuels JM, Harnke B, Negrini D, Al-Musawi MH, Meguid C, Ahrendt S, Schulick RD, Del Chiaro M, Oba A. Multifocal/diffuse pancreatic serous cystic neoplasms: Systematic review with a new case. Pancreatology. 2020 Jul;20(5):902-909. PubMed PMID: 32418758
  • Torphy RJ, Stewart C, Sharma P, Halpern AL, Oase K, Herter W, Bartsch C, Friedman C, Del Chiaro M, Schulick RD, Gleisner A, McCarter MD, Ahrendt SA. Dextrose-Containing Carrier Solution for Hyperthermic Intraperitoneal Chemotherapy: Increased Intraoperative Hyperglycemia and Postoperative Complications. Ann Surg Oncol. 2020 Dec;27(13):4874-4882. PubMed PMID: 32306237
  • Oba A, Croce C, Hosokawa P, Meguid C, Torphy RJ, Al-Musawi MH, Ahrendt S, Gleisner A, Schulick RD, Del Chiaro M. Prognosis Based Definition of Resectability in Pancreatic Cancer: A Road Map to New Guidelines. Ann Surg. 2020 Mar 6. [Epub ahead of print] PubMed PMID: 32149822
  • Torphy RJ, Chapman BC, Friedman C, Nguyen C, Bartsch CG, Meguid C, Ahrendt SA, McCarter MD, Del Chiaro M, Schulick RD, Edil BH, Gleisner A. Quality of Life Following Major Laparoscopic or Open Pancreatic Resection. Ann Surg Oncol. 2019 Sep;26(9):2985-2993. PubMed PMID: 31228131
  • Choudry HA, Pai RK, Parimi A, Jones HL, Pingpank JF, Ahrendt SS, Holtzman MP, Bartlett DL. Discordant Diagnostic Terminology and Pathologic Grading of Primary Appendiceal Mucinous Neoplasms Reviewed at a High-Volume Center. Ann Surg Oncol. 2019 Aug;26(8):2607-2614. PubMed PMID: 31111354
  • Choudry MHA, Shuai Y, Jones HL, Pai RK, Pingpank JF, Ahrendt SS, Holtzman MP, Zeh HJ, Bartlett DL. Correction to: Postoperative Complications Independently Predict Cancer-Related Survival in Peritoneal Malignancies. Ann Surg Oncol. 2019 Dec;26(Suppl 3):886. PubMed PMID: 30980195
  • LaFramboise WA, Pai RK, Petrosko P, Belsky MA, Dhir A, Howard PG, Becich MJ, Holtzman MP, Ahrendt SA, Pingpank JF, Zeh HJ, Dhir R, Bartlett DL, Choudry HA. Discrimination of low- and high-grade appendiceal mucinous neoplasms by targeted sequencing of cancer-related variants. Mod Pathol. 2019 Jul;32(8):1197-1209. PubMed PMID: 30962504
  • Choudry HA, Bednar F, Shuai Y, Jones HL, Pai RK, Pingpank JF, Ahrendt SS, Holtzman MP, Zeh HJ, Bartlett DL. Repeat Cytoreductive Surgery-Hyperthermic Intraperitoneal Chemoperfusion is Feasible and Offers Survival Benefit in Select Patients with Peritoneal Metastases. Ann Surg Oncol. 2019 May;26(5):1445-1453. PubMed PMID: 30825033
  • Beane JD, Wilson GC, Sutton JM, Shuai Y, Ramalingam L, Jones HL, Pingpank JF 2nd, Holtzman MP, Zureikat AJ, Ahrendt SA, Zeh HJ, Bartlett DL, Choudry HA. Pleuropulmonary Recurrence Following Cytoreductive Surgery and Hyperthermic Intraperitoneal Chemoperfusion for Appendiceal Pseudomyxoma Peritonei. Ann Surg Oncol. 2019 May;26(5):1429-1436. PubMed PMID: 30623341
  • Torphy RJ, Friedman C, Halpern A, Chapman BC, Ahrendt SS, McCarter MM, Edil BH, Schulick RD, Gleisner A. Comparing Short-term and Oncologic Outcomes of Minimally Invasive Versus Open Pancreaticoduodenectomy Across Low and High Volume Centers. Ann Surg. 2019 Dec;270(6):1147-1155. PubMed PMID: 29771723
  • Choudry HA, Pai RK, Shuai Y, Ramalingam L, Jones HL, Pingpank JF, Ahrendt SS, Holtzman MP, Zureikat AH, Zeh HJ, Bartlett DL. Impact of Cellularity on Oncologic Outcomes Following Cytoreductive Surgery and Hyperthermic Intraperitoneal Chemoperfusion for Pseudomyxoma Peritonei. Ann Surg Oncol. 2018 Jan;25(1):76-82. PubMed PMID: 29110275
  • Choudry MHA, Shuai Y, Jones HL, Pai RK, Pingpank JF, Ahrendt SS, Holtzman MP, Zeh HJ, Bartlett DL. Postoperative Complications Independently Predict Cancer-Related Survival in Peritoneal Malignancies. Ann Surg Oncol. 2018 Dec;25(13):3950-3959. PubMed PMID: 30302637
  • Amblard I, Mercier F, Bartlett DL, Ahrendt SA, Lee KW, Zeh HJ, Levine EA, Baratti D, Deraco M, Piso P, Morris DL, Rau B, Tentes AAK, Tuech JJ, Quenet F, Akaishi E, Pocard M, Yonemura Y, Lorimier G, Delroeux D, Villeneuve L, Glehen O, Passot G. Cytoreductive surgery and HIPEC improve survival compared to palliative chemotherapy for biliary carcinoma with peritoneal metastasis: A multi-institutional cohort from PSOGI and BIG RENAPE groups. Eur J Surg Oncol. 2018 Sep;44(9):1378-1383. PubMed PMID: 30131104
  • Torphy RJ, Friedman C, Halpern A, Chapman BC, Ahrendt SS, McCarter MM, Edil BH, Schulick RD, Gleisner A. Comparing Short-term and Oncologic Outcomes of Minimally Invasive Versus Open Pancreaticoduodenectomy Across Low and High Volume Centers. Ann Surg. 2018 May 16. [Epub ahead of print] PubMed PMID: 29771723
  • Low CA, Bovbjerg DH, Ahrendt S, Choudry MH, Holtzman M, Jones HL, Pingpank JF Jr, Ramalingam L, Zeh HJ 3rd, Zureikat AH, Bartlett DL. Fitbit step counts during inpatient recovery from cancer surgery as a predictor of readmission. Ann Behav Med. 2018 Jan 5;52(1):88-92. PubMed PMID: 29538623
  • Choudry HA, Pai RK, Shuai Y, Ramalingam L, Jones HL, Pingpank JF, Ahrendt SS, Holtzman MP, Zureikat AH, Zeh HJ, Bartlett DL. Impact of Cellularity on Oncologic Outcomes Following Cytoreductive Surgery and Hyperthermic Intraperitoneal Chemoperfusion for Pseudomyxoma Peritonei. Ann Surg Oncol. 2018 Jan;25(1):76-82. PubMed PMID: 29110275
  • Mercier F, Bakrin N, Bartlett DL, Goere D, Quenet F, Dumont F, Heyd B, Abboud K, Marolho C, Villeneuve L, Glehen O. Peritoneal Carcinomatosis of Rare Ovarian Origin Treated by Cytoreductive Surgery and Hyperthermic Intraperitoneal Chemotherapy: A Multi-Institutional Cohort from PSOGI and BIG-RENAPE. Ann Surg Oncol. 2018 Jun;25(6):1668-1675. PubMed PMID: 29637438
  • Mercier F, Bakrin N, Bartlett DL, Goere D, Quenet F, Dumont F, Heyd B, Abboud K, Marolho C, Villeneuve L, Glehen O. Peritoneal Carcinomatosis of Rare Ovarian Origin Treated by Cytoreductive Surgery and Hyperthermic Intraperitoneal Chemotherapy: A Multi-Institutional Cohort from PSOGI and BIG-RENAPE. Ann Surg Oncol. 2018 Jun;25(6):1668-1675. PubMed PMID: 29637438
  • Pakraftar S, Ramalingam L, Shuai Y, Jones HL, Pingpank JF, Ahrendt SS, Holtzman MP, Zureikat AH, Zeh HJ, Bartlett DL, Choudry HA. Institutional Experience with Ostomies Created During Cytoreductive Surgery and Hyperthermic Intraperitoneal Chemoperfusion. Ann Surg Oncol. 2017 Dec;24(13):3811-3817. PubMed PMID: 29019111
  • Magge D, Ramalingam L, Shuai Y, Edwards RP, Pingpank JF, Ahrendt SS, Holtzman MP, Zeh HJ, Bartlett DL, Choudry HA. Hyperthermic intraperitoneal chemoperfusion as a component of multimodality therapy for ovarian and primary peritoneal cancer. J Surg Oncol. 2017 Sep;116(3):320-328. PubMed PMID: 28628712
  • Dhir M, Choudry HA, Holtzman MP, Pingpank JF, Ahrendt SA, Zureikat AH, Hogg ME, Bartlett DL, Zeh HJ, Singhi AD, Bahary N. Impact of genomic profiling on the treatment and outcomes of patients with advanced gastrointestinal malignancies. Cancer Med. 2017 Jan;6(1):195-206. PubMed PMID: 28028924
  • Dhir M, Ramalingam L, Shuai Y, Pakrafter S, Jones HL, Hogg ME, Zureikat AH, Holtzman MP, Ahrendt SA, Bahary N, Pingpank JF, Zeh HJ, Bartlett DL, Choudry HA. Cytoreductive Surgery and Hyperthermic Intraperitoneal Chemoperfusion in Adolescent and Young Adults with Peritoneal Metastases. Ann Surg Oncol. 2017 Apr;24(4):875-883. PubMed PMID: 27995449
  • Kermanshahi TR, Magge D, Choudry H, Ramalingam L, Zhu B, Pingpank J, Ahrendt S, Holtzman M, Zeh H, Bartlett D, Zureikat A, Pai RK. Mucinous and Signet Ring Cell Differentiation Affect Patterns of Metastasis in Colorectal Carcinoma and Influence Survival. Int J Surg Pathol. 2017 Apr;25(2):108-117. PubMed PMID: 27571790
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Professional Memberships

  • American College of Surgeons, Fellow
  • Society of Surgical Oncology, Member

Practice Locations

University of Colorado Cancer Center - Anschutz Medical Campus
1665 Aurora Ct
Aurora, CO 80045
720-848-0300

UCHealth University of Colorado Hospital (UCH)
12605 E. 16th Ave
Aurora, CO 80045
720-848-0000

UCHealth Surgical Care - Highlands Ranch Hospital
1500 Park Central Drive
Highlands Ranch, CO 80129
720-516-1000

Pancreas & Biliary Multidisciplinary Clinic - Anschutz
1665 Aurora Ct
3rd Floor
Aurora, CO 80045
1-855-824-7262

Hospital Affiliation
  • University of Colorado Hospital
  • UCHealth Highlands Ranch Hospital
Center Affiliations

Specialty Information

Specialties
  • Surgery, Board Certification (1995, 2015)
  • Complex General Surgical Oncology, Board Certification
  • Advanced Specialty Training in Surgical Oncology, Certificate (1995)
Conditions & Treatments
  • Cancers - Cancer Surgery
  • Cancers
  • Cancers - Colorectal Cancer
  • Cancers - Gastroenterologic Cancer (Colon, Stomach, Esophageal, Liver)
  • Cancers - Ovarian Cancer
  • Cancers - Pancreatic Cancer
  • Cancers - Sarcoma
Clinical Interests
My clinical interests include the treatment of patients with abdominal cancer including the care of patients with appendiceal, colon, and ovarian cancer, malignant mesothelioma, pseudomyxoma peritonei, and other abdominal malignancies with cytoreductive surgery and hyperthermic intraperitoneal chemotherapy (HIPEC).

Care Philosophy
My goal is to provide personalized compassionate surgical care to every patient. I also strive to guide and support my patients through their multidisciplinary cancer treatment and survivorship.

Public Speaking
Yes

General Information

Medical Schools:
  • MD, University of Chicago Division of the Biological Sciences The Pritzker School of Medicine (1987)
Undergraduate Schools:
  • BS, University of Illinois–Urbana-Champaign (IL) (1983)
Internships:
  • Johns Hopkins University School of Medicine Program (1988)
Residency Programs:
  • Johns Hopkins University School of Medicine Program, Chief Resident, Surgery (1994)
Fellowships:
  • Johns Hopkins University School of Medicine Program, Complex General Surgical Oncology (1995)
Download CV
Languages: English, German
Department: Surgery-Surgical Oncology
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