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Medicina is published by MDPI from Volume 54 Issue 1 (2018). Articles in this Issue were published by another publisher in Open Access under a CC-BY (or CC-BY-NC-ND) licence. Articles are hosted by MDPI on as a courtesy and upon agreement with Lithuanian Medical Association, Lithuanian University of Health Sciences, and Vilnius University.
Open AccessArticle

Association between cadmium and breast cancer

Institute for Biomedical Research
Department of Surgery
Department of Pathological Anatomy, Kaunas University of Medicine, Lithuania
Author to whom correspondence should be addressed.
Medicina 2008, 44(6), 415;
Received: 19 February 2008 / Accepted: 10 May 2008 / Published: 15 May 2008
Cadmium is a known human lung carcinogen, although some studies indicate a link between cadmium exposure and human breast cancer. The objective of this study was to assess cadmium concentration in breast tissue samples of patients with breast cancer and benign breast tumor.
Material and methods
. The concentration of cadmium was determined in breast tissue samples of 21 breast cancer and 19 benign tumor patients. Two samples of breast tissue from each patient, i.e. tumor and normal tissue close to tumor, were taken for the analysis. Cadmium was determined by atomic absorption spectrometry (Perkin-Elmer, Zeeman 3030).
. In patients with breast cancer, the mean cadmium concentration was 33.1 ng/g (95% CI, 21.9– 44.4) in malignant breast tissue and 10.4 ng/g (95% CI, 5.6–15.2) in normal breast tissue (P=0.002). In patients with benign tumor, the corresponding values were 17.5 ng/g (95% CI, 8.4–26.5) and 11.8 ng/g (95% CI, 5.1– 18.5) (P=0.3144). There was a statistically significant difference in cadmium concentration between malignant and benign breast tissues (P=0.009).
. The data obtained show that cadmium concentration is significantly higher in malignant breast tissue as compared with normal breast tissue of the same women or benign breast tissue. Further studies are necessary to determine the association between cadmium concentration in malignant breast tissue and estrogen receptor level, and smoking.
Keywords: cadmium; breast cancer; hormone receptors cadmium; breast cancer; hormone receptors
MDPI and ACS Style

Strumylaitė, L.; Boguševičius, A.; Ryselis, S.; Pranys, D.; Poškienė, L.; Kregždytė, R.; Abdrachmanovas, O.; Asadauskaitė, R. Association between cadmium and breast cancer. Medicina 2008, 44, 415.

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