Hypoglycemia Induced by Secretion of High Molecular Weight Insulin-like Growth Factor-II from a Malignant Solitary Fibrous Tumor of the Pleura.
- 1 January 2001
- journal article
- case report
- Published by Japanese Society of Internal Medicine in Internal Medicine
- Vol. 40 (4) , 341-344
- https://doi.org/10.2169/internalmedicine.40.341
Abstract
A 49-year-old woman with a malignant solitary fibrous tumor of the pleura presented with hypoglycemia. Most of the serum insulin-like growth factor II (IGF-II) existed as high molecular weight IGF-II. Furthermore, there were larger amounts of high molecular weight IGF-II found in the tumor cystic fluid than in the serum. After surgical resection of the tumor, high molecular weight IGF-II was not detected in the serum and the hypoglycemia resolved. Immunohistochemically, IGF-II was localized in the so-called Golgi area of the tumor cell. These findings suggest that hypoglycemia in this patient was caused by the high molecular weight IGF-II produced by the tumor.Keywords
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