Excessive decrease in serum magnesium after total thyroidectomy for Graves' disease is related to development of permanent hypocalcemia.

Background: Transient postoperative hypocalcemia is one of the most common complications after thyroidectomy. Permanent hypocalcemia, however, is rare, but usually requires life-long treatment and follow-up. The risk of permanent hypocalcemia has been shown to be significantly higher in patients with Graves' disease.

Serum levels of soluble transferrin receptor correlate with severity of disease but not with iron stores in patients with malignant lymphomas.

Soluble transferrin receptor levels in serum (s-sTfR) may be useful in differentiating between iron deficiency anemia and anemia of chronic disease. However, there is both theoretical and clinical evidence for elevated s-sTfR levels in patients with various hematological malignancies. In the present study, routine bone marrow aspirations were performed in 82 patients with malignant lymphomas (63 with non-Hodgkin's lymphoma and 19 with Hodgkin's disease).