Abstract

Levels of iron, copper, and zinc in liver tissue and of copper in serum were studied in 53 cases of untreated malignant lymphoma (14 cases of Hodgkin's disease and 17 of lymphocytic and 22 of histiocytic lymphoma). The values were compared with the levels of these metals in the liver tissue of 23 healthy persons. Liver tissue was obtained by means of percutaneous biopsy examination with a Menghini needle. Part of the samples was used for histologic examination, and the remainder for metal level determination. Atomic absorption spectrophotometry was used in determining metal levels in dry liver tissue and in sera. In all malignant lymphoma patients, a significantly higher serum copper level was established (P < 0.05). A lower iron level in liver tissue was only found in those patients with lymphocytic lymphomas without a lymphomatous process in the liver (P < 0.05), while lymphomatous hepatic infiltration was associated with a higher iron level and lower copper level (P < 9.05). Significant changes in liver zinc levels were only proved by higher levels of this metal in patients with histiocytic lymphoma and lymphomatous hepatic infiltration (P < 0.05). The only redistribution of copper between the serum and liver tissue was found in those patients with lymphocytic lymphomas and lymphomatous hepatic infiltration.

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