Laparoscopic cryosurgery for hepatic tumors |
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Authors: | V R Tandan D Litwin M Asch M Margolis S Gallinger |
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Institution: | (1) Department of Surgery, McMaster University, St. Joseph's Hospital, Room G815, 50 Charlton Avenue East, Hamilton, Ontario, L8N 4A6, Canada, CA;(2) Department of Surgery, The University of Toronto, Mt. Sinai Hospital, Toronto, Ontario, Canada, CA |
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Abstract: | Background: Hepatic cryosurgery has been shown to be a safe technique that may be well suited to a laparoscopic approach.
Methods: The technical feasibility and safety of laparoscopic cryosurgery was explored first in a pig model. Thereafter we performed
the first successful case of laparoscopic hepatic cryosurgery at our institution.
Results: In the animal model, we found that it is possible to safely identify, target, and cryoablate specific lesions in the liver.
Temperature in the peritoneal cavity remained above 35°C, and pathologic examination of the abdominal wall around the cryoprobe
site revealed no damage. We also successfully treated a 62-year-old man with a metastatic colorectal carcinoma deep in the
right lobe of the liver with laparoscopic cryosurgery using a transpleural approach.
Conclusion: We conclude that laparoscopic cryosurgery is feasible for lesions anywhere in the liver. For lesions high on the dome of
the liver, a transpleural approach may provide better access. |
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Keywords: | : Cryosurgery — Laparoscopic ultrasound — Liver tumors — Laparoscopy |
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