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Abstract
The presence of liver metastasis will be staged as IV in the FIGO 1992 Gestational Trophoblastic Tumor (GTT) staging. This study was to determine the role of hepatic arteriogram (HAG) in the management of GTT. It is a retrospective analysis of 309 patients treated from 1981 to 2001. Patients were restaged according to the FIGO 1992 classification with or without taking into account the HAG result. Outcome measures including mortality, drug resistance and recurrence of disease, as well as treatment with and without the HAG result were compared. Eighty-one (26.2 percent) patients had HAG and 11 (3.6 percent) also had ultrasound (USG) features of liver metastasis. Interval between diagnosis and treatment were significantly different between USG and HAG positive groups (Mann-Whitney U test, P < 0.05). Seventeen (5.5 percent) of the 309 patients died of the disease and 7 (41.2 percent) of them had liver metastasis. Three (27.3 percent) of the 11 patients who had USG features of liver metastasis died of the disease; mortality is significantly higher than those without USG features of metastasis (Chi-square test, P < 0.05). Patients classified as medium to high risk with or without taking HAG as a feature of liver metastasis were associated with higher mortality and recurrent rate (Chi-square test, P < 0.05). On the other hand, the chance of drug resistance was higher in the medium to high risk group after reclassifying all HAG positive patients as negative for liver metastasis (Chi-square test, P < 0.05). HAG evidence of liver metastasis did not correlate with patient mortality. HAG was not an appropriate investigation in the management of GTT.