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Elemental changes in skin from patients with basal cell carcinoma
P Wallberg1, M Lindberg, E Alsterborg
1Karolinska Institute, Department of Dermatology, Söder Hospital, Stockholm, Sweden.
Abstract:
Intracellular ionic shifts have been described in connection with normal and abnormal cell proliferation. This study was conducted to determine the elemental composition of a cell tumor classified as basal cell carcinoma in skin. The biopsies were taken from 10 patients. Control biopsies were taken from the non-affected skin from the same patients. Cryosections were cut and attached to carbon specimen holders. After freeze drying the sections were analyzed by X-ray microanalysis in a scanning microscope. The X-ray microanalytical results showed that the content of magnesium, phosphorus and potassium was significantly higher in the cancer cells than in the control cells (p < 0.05). The content of sodium, chlorine, calcium and sulfur was similar in both affected and unaffected cells. We conclude from these data that basal cell carcinoma has a characteristic elemental composition. It is possible that increased potassium and magnesium levels have a stimulatory effect on this tumor type, in contrast to other types of cancer cells where elevated sodium and chlorine and lowered potassium levels have frequently been found.
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