Prophylactic chemotherapy for hydatidiform mole five to 15 years follow-up

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Abstract
The effectiveness of the prophylactic chemotherapy was evaluated in 420 patients with molar pregnancy. All patients were followed for 5 to 15 years after the evacuation. Twenty‐two (7.5%) of 293 patients with prophylactic chemotherapy and 23 (18.1%) of 127 patients without prophylactic chemotherapy (control) developed secondary trophoblastic disease. The prophylactic chemotherapy could reduce the occurrence of secondary trophoblastic disease. In these secondary trophoblastic diseases, 5 (22.7%) of 22 patients in the prophylactic chemotherapy group and 5 (21.7%) of 23 in the control had metastatic trophoblastic disease. Choriocarcinoma after the molar pregnancy developed in two patients (0.7%) of the prophylactic chemotherapy group and two (1.6%) of the control. Prophylactic chemotherapy did not eliminate the occurrence of choriocarcinoma. The complication of the prophylactic chemotherapy was seen in 27.3% of the patients. Neither severe complication nor death were related to the toxicity. Cancer 58:624‐629, 1986.