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Medline ® Abstract for Reference 128

of 'Nonsurgical therapies for localized hepatocellular carcinoma: Radiofrequency ablation, percutaneous ethanol injection, thermal ablation, and cryoablation'

A collective review of the world literature on hepatic cryotherapy.
Seifert JK, Junginger T, Morris DL
J R Coll Surg Edinb. 1998;43(3):141.
Published results of hepatic cryotherapy are now available for almost 900 patients. Its safety is well established and its clinical role in treating patients with unresectable hepatoma or liver metastases from colorectal carcinoma is well supported by tumour marker and survival data; the results in the treatment of neuroendocrine liver metastases are promising. Its role as an alternative to liver resection is not yet well supported by long-term data. Although different adjuvant treatment protocols have been used following the cryotherapy of colorectal liver metastases, the effect of adjuvant treatment on recurrence or survival has not been assessed in prospective studies. Laparoscopic hepatic cryotherapy is feasible in selected patients with suitable tumour locations. However, the proportion of patients who might be usefully treated with this technique is not yet well established. The mechanisms of tissue destruction by freezing are reviewed.
University of New South Wales, Department of Surgery, St George Hospital, Kogarah, Sydney, Australia.