Correspondence to Professor Helge Lyder Waldum, Department of Clinical and Molecular, University of Science and Technology, Trondheim, Norway; helge.waldum{at}ntnu.no Around 1980, it became clear that ...

Hypercalcitoninemia has frequently been reported as a marker for medullary thyroid carcinoma. Currently, calcitonin measurements are mostly useful in the evaluation of tumor size and progression, and ...

The skin often signals systemic changes. Some neoplastic diseases that affect internal organs may trigger several cutaneous manifestations. Although these dermatoses are relatively unusual, the ...