title: [Clinico-pathological study of choriocarcinoma localized in the lung with emphasis on hCG monitoring systems].
abstract: We studied 15 cases of lung choriocarcinoma clinico-pathologically with emphasis on hCG monitoring systems. The results are as follows: Vivid tumor cells (VTC) were found to persist in 83.3% (5/6) of cases with a continued "LH level" of urinary hCG over 4 weeks. VTC were found to persist in all 4 cases with cellular response and in 6 of 8 cases with no cellular response. The syncytial cell element was observed in 75% (3/4) of cases with cellular response, but in only 25% (2/8) of cases with no cellular response. VTC were recognized in 83.3% of cases (5/6) with serum beta-hCG higher than the sensitivity of the beta-hCG-RIA system (0.2 ng/ml or 1.5 miu/ml). Even though serum beta-hCG was lower than 0.2 ng/ml or 1.5 miu/ml, VTC were found to persist in 2 of 3 cases. All of 5 cases with beta-hCG-CTP higher than the sensitivity of beta-hCG-CTP-EIA (Enzyme-Immuno-Assay) system (0.2 miu/ml) showed VTC in operative specimens. These results indicate that beta-hCG-CTP-EIA is a most useful means to employ in the monitoring of serum hCG.
mesh_terms: D002822:Choriocarcinoma / Q000378:metabolism* / Q000473:pathology; D006063:Chorionic Gonadotropin / Q000378:metabolism*; D005260:Female; D006801:Humans; D007124:Immunoenzyme Techniques; D008175:Lung Neoplasms / Q000378:metabolism* / Q000473:pathology; D007986:Luteinizing Hormone / Q000378:metabolism; D008991:Monitoring, Physiologic; D011247:Pregnancy; D011863:Radioimmunoassay
chemical_list: D006063:Chorionic Gonadotropin; D007986:Luteinizing Hormone