Korean J Pathol.  2006 Feb;40(1):1-8.

Oncogenic osteomalacia

Affiliations
  • 1Department of Pathology, College of Medicine, Kyung Hee University, Seoul 130-702, Korea. ykpark@khmc.or.kr

Abstract

An unusual and rare presentation of osteomalacia results from the paracrine effect of a localized bone or soft tissue neoplasm. In this syndrome, known as tumor induced osteomalacia or oncogenic osteomalacia, a neoplasm synthesizes and secretes a circulating compound, known as phosphatonin, which acts on the kidney leading to phosphate wasting. Oncogenic osteomalacia can be caused by a wide variety of neoplasm, although they are usually primary soft tissue or bone tumors. Most commonly the causative neoplasm is a benign or low-grade malignant vascular or fibrous tissue tumor. Complete removal of the offending neoplasm completely reverses the osteomalacia. If successful, the osteomalacia resolves. However, incomplete removal of the neoplasm necessitates treatment with phosphate and Vitamin D3 to ameliorate the skeletal disease.

Keyword

Osteomalacia; Phosphate; Vitamin D3; Neoplasm
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