Journal of surgical oncology · 1997
Significance of alpha-fetoprotein levels for detection of early recurrence of hepatocellular carcinoma after hepatic resection.
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Shirabe K, Takenaka K, Gion T, Shimada M, Fujiwara Y, Sugimachi K
Аннотация
BACKGROUND: The recurrence of hepatocellular carcinoma (HCC) after surgery is common. The present study was conducted in order to clarify the significance of alpha-fetoprotein (AFP) in the detection of the early recurrence of HCC after surgery.
METHODS: Fifty-eight patients who underwent a curative hepatic resection for HCC and whose preoperative AFP levels were >100 ng/ml, were selected for this study.
RESULTS: In 26 cases, the postoperative AFP levels within 3 months after surgery did not decrease to <20 ng/ml (high AFP group). In the other 32 cases, the postoperative AFP levels within 3 months after surgery decreased to <20 ng/ml (low AFP group). No significant difference was observed in clinical or pathological backgrounds. The postoperative disease free rate in the low and high AFP groups was 84.2% and 18.4%, at 1 year, 61.2 and 4.6% at 3 years, respectively. The difference was statistically significant (P < 0.01). At the time of recurrence, the AFP levels increased in 25 (96.2%) of the patients who had early recurrence within 1 year after surgery as well as in 11 of 14 (78.5%) who had recurrence >1 year after surgery. The interval from surgery to recurrence significantly correlated with the doubling time of AFP at the time of recurrence in patients with early recurrence (within 1 year after hepatectomy) (r = 0.60, P < 0.01). In cases in which the preoperative AFP level was >100 ng/ml and the postoperative AFP level did not decrease to <20 ng/ml, early recurrence within 1 year after surgery would thus be strongly suspected.
CONCLUSION: The measurement of the AFP levels after surgery is therefore considered to be important in the follow-up of hepatectomized patients, especially regarding the detection of early recurrence.
METHODS: Fifty-eight patients who underwent a curative hepatic resection for HCC and whose preoperative AFP levels were >100 ng/ml, were selected for this study.
RESULTS: In 26 cases, the postoperative AFP levels within 3 months after surgery did not decrease to <20 ng/ml (high AFP group). In the other 32 cases, the postoperative AFP levels within 3 months after surgery decreased to <20 ng/ml (low AFP group). No significant difference was observed in clinical or pathological backgrounds. The postoperative disease free rate in the low and high AFP groups was 84.2% and 18.4%, at 1 year, 61.2 and 4.6% at 3 years, respectively. The difference was statistically significant (P < 0.01). At the time of recurrence, the AFP levels increased in 25 (96.2%) of the patients who had early recurrence within 1 year after surgery as well as in 11 of 14 (78.5%) who had recurrence >1 year after surgery. The interval from surgery to recurrence significantly correlated with the doubling time of AFP at the time of recurrence in patients with early recurrence (within 1 year after hepatectomy) (r = 0.60, P < 0.01). In cases in which the preoperative AFP level was >100 ng/ml and the postoperative AFP level did not decrease to <20 ng/ml, early recurrence within 1 year after surgery would thus be strongly suspected.
CONCLUSION: The measurement of the AFP levels after surgery is therefore considered to be important in the follow-up of hepatectomized patients, especially regarding the detection of early recurrence.