本文对59例各期肺癌的生物化学进行了探讨。59例肺癌中11例(18.6%)血清碱性磷酸酶(ALP)增高,其中7例血清转氨酶增高。3例经肝扫描证实有肝转移。转氨酶正常的4例中有1例亦发现肝转移,因肝功损害的8例表现ALP增高。剩下3例中1例从同功酶电泳判定是骨性ALP增加和胚胎性ALP出现,此例是骨转移。因无骨性ALP增加和肝转移,故为肺癌 This article discusses the biochemistry of 59 cases of lung cancer. Serum alkaline phosphatase (ALP) was elevated in 11 (18.6%) of 59 lung cancers, of which 7 were elevated in serum transaminases. Three liver scans confirmed liver metastases. Among the 4 cases with normal transaminases, liver metastasis was also found in 1 of the 4 patients with normal transaminases. The ALP increased in 8 cases with liver function impairment. One of the remaining three cases was identified by isoenzyme electrophoresis as an increase in osseous ALP and embryonic ALP. This case is bone metastasis. Bronchiosis due to boneless ALP increase and liver metastasis