Efficiency of serum copper/zinc ratio for differential diagnosis of patients with and without lung cancer
- 1 August 1994
- journal article
- clinical trial
- Published by Springer Nature in Biological Trace Element Research
- Vol. 42 (2) , 115-127
- https://doi.org/10.1007/bf02785383
Abstract
We examined serum copper (Cu), serum zinc (Zn), and the serum copper/zinc ratio (Cu/Zn) in 162 patients. All of them were seen to have an abnormal shadow in the chest X-ray films, that is, 109 patients with lung cancer (LC) and 53 patients with no lung cancer (NLC). The mean Cu and Cu/Zn in LC patients were significantly higher than those in NLC patients (pThe determinations of Cu, Zn, and Cu/Zn are simple and inexpensive. They also appear to have a great diagnostic value in determining the local invasion of LC and as a screening test in the high-risk patients for LC.Keywords
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