Regression pattern of alpha fetoprotein level changed after treatment of malignant germ cell tumor
Sanersak, S.; Prueksritanond, N.
Journal of the Medical Association of Thailand 91(3): 287-294
2008
ISSN/ISBN: 0125-2208 PMID: 18575279 Document Number: 3543
Objective: To identify the regression pattern of serum alpha fetoprotein in malignant germ cell tumors after initial chemotherapy.Material and Method: This was a retrospective descriptive study. All patients with malignant germ cell tumor who had elevated serum alpha fetoprotein (AFP) and received adjuvant chemotherapy in Rajavithi Hospital between January 1984 and May 2007 were includedResults: Sixty patients with malignant germ cell tumor that met the study criteria were included The median progression free interval (PFI) was 64.3 months and the median overall survival (OS) was 70.9 months. Four courses of chemotherapy was the average. AFP was first negative after a mean of course of three. Two more cycles were given as a maintenance course. The regression of AFP between its level before the first and second courses was less than 0.015, associated with survival, accuracy about 70%, sensitivity 83.3%. The number of maintenance courses of chemotherapy was statistically affected to PFI and OS (p-value of 0.025, 0.003, respectively).Conclusion: The regression of AFP is an independent prognostic factor in malignant germ cell tumor and may be a useful tool in the therapeutic management of these patients.
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