Daniel A. Hashimoto, MD, MSTR

faculty photo
Assistant Professor of Surgery at the Hospital of the University of Pennsylvania
Active Surgeon, Penn Presbyterian Medical Center, Philadelphia, PA
Active Surgeon, Pennsylvania Hospital, Philadelphia, PA
Attending Surgeon, Hospital of the University of Pennsylvania, Philadelphia, PA
Affiliated faculty, General Robotics Automation Sensing and Perception (GRASP) Laboratory, University of Pennsylvania School of Engineering and Applied Science
Senior Fellow, Institute for Biomedical Informatics, Perelman School of Medicine, University of Pennsylvania
Department: Surgery
Contact information
Hospital of the University of Pennsylvania
3400 Spruce Street
Silverstein 4
Philadelphia, PA 19063
Office: 2156624503
Fax: 2153498195
Lab: 2156623137
Publications

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Links
Search PubMed for articles
 Penn Computer Assisted Surgery and Outcomes Laboratory
Global Surgical AI Collaborative
Education:
BA (Biology, with specialization in Neuroscience)
Boston University, 2008.
 MD
University of Pennsylvania, Philadelphia, PA, 2013.
 MS (Translational Research in Surgical Education and Technology)
University of Pennsylvania, Philadelphia, PA, 2013.
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Description of Clinical Expertise

Foregut surgery
Interventional endoscopy
Per oral endoscopic myotomy
Per oral pyloromyotomy
Paraesophageal hernia repair
Fundoplication
Diaphragm pacing
Inguinal hernia repair
Incisional hernia repair
Laparoscopic surgery
Robotic surgery
Endoscopic management of GI tract leaks and defects

Description of Research Expertise

Dr. Hashimoto is the director of the Penn Computer Assisted Surgery and Outcomes (PCASO) Laboratory and has helped developed multiple computer vision algorithms for the analysis of surgical video, led international consensus on defining ground truth for the annotation of surgical video, and worked to define metrics to assess performance of AI algorithms on surgical tasks.

His work has been published in the New England Journal of Medicine, Nature Biotechnology, Annals of Surgery, and other journals. He is editor of the textbook Artificial Intelligence in Surgery: Understanding the Role of AI in Surgical Practice.

Keywords: Surgical data science, Computer vision, Artificial intelligence, Virtual reality, Surgical education, Video-based assessment

Selected Publications

Hashimoto DA*, Rosman G*, Witkowski ER, Stafford C, Navarette-Welton AJ, Rattner DW, Lillemoe KD, Rus DL, Meireles OR: Computer vision analysis of intraoperative video: Automated recognition of operative steps in laparoscopic sleeve gastrectomy. Annals of Surgery 270(3): 414-421, Sept. 2019 Notes: * Co-first author.

 Reinke A, Tizabi MD, Baumgartner M, Eisenmann M, Heckmann-Nötzel D, Kavur AE, Rädsch T, Sudre CH, Acion L, Antonelli M, Arbel T, Bakas S, Benis A, Buettner F, Cardoso MJ, Cheplygina V, Chen J, Christodoulou E, Cimini BA, Farahani K, Ferrer L, Galdran A, van Ginneken B, Glocker B, Godau P, Hashimoto DA, Hoffman MM, Huisman M, Isensee F, Jannin P, Kahn CE, Kainmueller D, Kainz B, Karargyris A, Kleesiek J, Kofler F, Kooi T, Kopp-Schneider A, Kozubek M, Kreshuk A, Kurc T, Landman BA, Litjens G, Madani A, Maier-Hein K, Martel AL, Meijering E, Menze B, Moons KGM, Müller H, Nichyporuk B, Nickel F, Petersen J, Rafelski SM, Rajpoot N, Reyes M, Riegler MA, Rieke N, Saez-Rodriguez J, Sánchez CI, Shetty S, Summers RM, Taha AA, Tiulpin A, Tsaftaris SA, Van Calster B, Varoquaux G, Yaniv ZR, Jäger PF, Maier-Hein L: Understanding metric-related pitfalls in image analysis validation. Nature Methods 21(2): 182-194, Feb. 2024 Notes: Contributed pitfalls and use cases in surgical video and images; Epub Feb. 12, 2024.

 Ward TM, Hashimoto DA, Ban Y, Rattner DW, Inoue H, Lillemoe KD, Rus DL, Rosman G, Meireles OR: Automated operative phase identification in peroral endoscopic myotomy. Surgical Endoscopy 35(7): 4008-4015, July 2021 Notes: Epub July 27, 2020.

 Hashimoto DA, Marks JM: Skills in flexible endoscopy are a valuable tool for GI surgeons. Annals of Surgery 275(4): e664, Apr. 1 2022 Notes: Commentary.

 Ward TM, Fer DM, Ban Y, Rosman G, Meireles OR, Hashimoto DA: Challenges in surgical video annotation. Computer Assisted Surgery 26(1): 58-68, Dec. 2021.

 Meireles OR, Rosman G, Altieri MS, Carin L, Hager G, Madani A, Padoy N, Pugh CM, Sylla P, Ward TM, Hashimoto DA; SAGES Video Annotation for AI Working Groups: SAGES consensus recommendations on an annotation framework for surgical video. Surgical Endoscopy 35(9): 4918-4929, Sept. 2021 Notes: Epub July 6, 2021.

 Caicedo HH, Hashimoto DA, Caicedo JC, Pentland A, Pisano GP: Overcoming barriers to early disease intervention. Nature Biotechnology 38(6): 669-673, June 2020.

 Ban Y, Rosman G, Eckhoff JA, Ward TM, Hashimoto D, Taisei K, Iwaki H, Meireles O, Rus D: SUPR-GAN: Surgical prediction GAN for event anticipation in laparoscopic and robotic surgery. IEEE Robotics & Automation Letters 7(2): 5741-5748, Apr. 2022.

 Hashimoto DA, Axtell AL, Auchincloss HG: Percutaneous tracheostomy. New England Journal of Medicine 383(20): e112, Nov. 12 2020 Notes: Peer-reviewed editorial and video instruction; Epub Oct. 28, 2020.

 Benson J, Boutros C, Khan SZ, Lyons J, Hashimoto DA, Marks JM: Evaluation of postoperative esophagram following peroral endoscopic myotomy (POEM). Surgical Endoscopy 38(9): 5148-5152, Sep 2024 Notes: Designed and constructed database used for study. Co-supervised first author Benson with JM Marks. doi: 10.1007/s00464-024-11023-2.
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Last updated: 05/15/2025
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