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Operative report

Laparoscopic appendectomy

Appendix300 · Center 5 · Case 59

Exposure of the appendix

The appendix is grasped at its tip and lifted. The appendix is fully exposed. It appears inflamed, with no visible perforation or abscess.

Dissection of the mesoappendix

The mesoappendix is dissected close to the base with the coagulation hook. A window between the appendix base and the mesoappendix is then made with the dissector.

Clipping and division

The mesoappendix is closed with a polymer clip. A second clip is placed directly beside it. The mesoappendix is divided with scissors.

Kolbinger et al. · Appendix300, 2026 · CC BY 4.0

Pending surgeon review

The procedure
in its clinical context.

We are developing models that connect surgical video with the wider clinical record—from imaging and pathology to physiology.

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Operative documentation
Clinical research
Surgical robotics
Electronic health record

Clinical history and treatment

  • Clinical history
  • Medication records
  • Laboratory results
Clinical recordCase 59
Suspected acute appendicitisFemale · 20–24 years

Presentation

Right lower quadrant tenderness, nausea/vomiting, and anorexia.

Investigations

Temperature
≥ 37.7 °C
Leukocytes
< 10 × 10⁹/L
CRP
> 20 mg/L

History

No previous abdominal surgery. Not pregnant.

Treatment

Single-dose antibiotic prophylaxis before surgery.

Kolbinger et al. · Appendix300
Center 5 · CC BY 4.0View case

Applications

Surgeons.

Operative notes linked to the recording.

  • Review the relevant video segments
  • Correct the operative narrative
  • Approve the final note
Discuss operative notes

Billing.

Procedure coding supported by the operative record.

  • Review suggested procedure codes
  • Check the supporting documentation
  • Flag missing clinical details
Discuss coding review

Hospitals.

Clinical pilots and research partnerships.

  • Choose procedures for a pilot
  • Define data access and governance
  • Evaluate documentation quality
Plan a clinical pilot

Surgical video understanding.

We outperform existing models.

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ModelAnswer accuracy
Tensorgical+35%
Frontier model (zero-shot)Baseline

Questions.

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