Department of Surgery
University of Wisconsin School of Medicine and Public Health

Specialties

Sasha Acher, MD

Assistant Professor

  • Division of Surgical Oncology


Education

  • MD, University of Wisconsin School of Medicine and Public Health, Madison, WI
  • MS, University of Wisconsin School of Medicine and Public Health, Madison, WI
  • General Surgery Residency, University of Utah School of Medicine, Salt Lake City, UT
  • Complex General Surgical Oncology Fellow, University of Toronto, Toronto, ON
  • Hepatobiliary Fellow, University of Toronto, Toronto, ON

Clinical Specialties

Dr. Acher is a Hepatobiliary surgeon and Surgical Oncologist, specializing in minimally invasive and open surgical approaches to treating pancreas, biliary, and liver cancers, colorectal liver metastases, luminal cancers, neuroendocrine tumors and retroperitoneal sarcoma.

Research Interests

Dr. Acher’s research interests include: radiologic histologic correlation in pancreas, liver, and biliary cancers, the use of radiomics to improve staging imaging and surgical planning, the use of radiomics and pathologic-radiologic correlation to assess tumor response to systemic or locoregional therapies, and applying systems engineering approaches to streamline medical processes and systems.

Recent Publications

  • Association between anaesthetist hepatopancreatobiliary volume and outcomes.
    Hallet J, Acher AW, Jivraj N, McIsaac DI, Carrier FM, Turgeon AF, Flexman A, Lorello GR, Chan WC, Gombay A, Ding A, Armah J, Eskander A, Sutradhar R
    Br J Surg 2025 Sep 02; 112(9)
    [PubMed ID: 40982472]

  • Impact of neoadjuvant therapy on short-term outcomes after left pancreatectomy: A propensity score-matched international multicenter study.
    Bonsdorff A, Kjeseth T, Sahakyan M, Kirkegård J, de Ponthaud C, Ghorbani P, Wennerblom J, Williamson C, Acher AW, Thillai M, Tarvainen T, Uutela A, Sirén J, Kokkola A, Hagen RE, Lund A, Nielsen MF, Fristedt R, Biörserud C, Bratlie SO, Tingstedt B, Labori KJ, Gaujoux S, Wigmore SJ, Hallet J, Sparrelid E, Kleive D, Sallinen V
    Surgery 2025 Sep; 185: 109552
    [PubMed ID: 40669154]

  • Mismatch Repair, Matched with Hope? Revisiting Survival in MSI-H Pancreatic Ductal Adenocarcinoma.
    Acher AW, Hallet J
    Ann Surg Oncol 2025 Oct; 32(10): 7106-7107
    [PubMed ID: 40652154]

  • Postoperative hepatic insufficiency despite preoperative portal vein embolization: Not just about the volumetrics.
    Li AY, Ahmad MU, Sofilos MC, Lee RM, Maithel SK, Lee TC, Chadalavada S, Shah SA, Acher AW, Abbott DE, Wong P, Kessler J, Melstrom LG, Kirks R, Rocha FG, Delitto DJ, Lee B, Visser BC, Poultsides GA
    Surgery 2025 Jun; 182: 109345
    [PubMed ID: 40157125]

  • International multicentre validation of the left pancreatectomy pancreatic fistula prediction models and development and validation of the combined DISPAIR-FRS prediction model.
    Bonsdorff A, Kjeseth T, Kirkegård J, de Ponthaud C, Ghorbani P, Wennerblom J, Williamson C, Acher AW, Thillai M, Tarvainen T, Helanterä I, Uutela A, Sirén J, Kokkola A, Sahakyan M, Kleive D, Hagen R, Lund A, Nielsen MF, Vaillant JC, Fristedt R, Biörserud C, Bratlie SO, Tingstedt B, Labori KJ, Gaujoux S, Wigmore SJ, Hallet J, Sparrelid E, Sallinen V
    Br J Surg 2025 Mar 04; 112(3)
    [PubMed ID: 40114539]

All Publications on PubMed