December 2006, Volume 25 Number 6 , p 427 - 430
Schoen, Delores C.
Delores C. Schoen, PhD, RN, FAAN , President, Harmon Enterprises, Inc., State College, PA.
Tumors involving the skeleton are by no means rare and are frequently malignant. Bone neoplasms may occur as primary benign or malignant lesions or as secondary (i.e., metastatic) lesions.
The most common benign tumors include osteomas, chondromas, giant cell tumors (the most common), cysts, and osteoid osteomas. Benign tumors are usually well circumscribed, grow slowly, and seldom spread. Primary malignant bone tumors include osteogenic sarcoma (the most common), Ewing's sarcoma, and multiple myeloma.
In adults, the most common bone tumors are metastatic, with the primary lesion located frequently in the breast, lung, prostate, kidney, ovary, or thyroid. Among tumors, carcinomas tend to metastasize to bone more frequently than sarcomas.
Certain bone tumors tend to occur at specific ages. For example, osteogenic sarcomas generally appear below the age of 25 years ...