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Hemangiopericytoma of bone
The American Journal of Surgical Pathology
|January 1, 1982
Summary
Primary bone hemangiopericytoma is a rare cancer. This review of 15 cases found pelvic tumors were most common, with most patients undergoing surgery, but outcomes varied significantly.
Area of Science:
- Oncology
- Orthopedic Oncology
- Pathology
Background:
- Primary bone hemangiopericytoma is an exceptionally rare neoplastic entity.
- These tumors arise from pericytes, cells that surround capillaries.
Purpose of the Study:
- To characterize the clinicopathological features of primary bone hemangiopericytoma.
- To evaluate treatment outcomes for this rare bone tumor.
Main Methods:
- Retrospective review of 15 primary bone hemangiopericytoma cases.
- Analysis of histological findings, including cellularity, nuclear atypia, and mitotic activity.
- Review of treatment modalities and patient follow-up data.
Main Results:
- All 15 tumors were unifocal, with the pelvis being the most frequent site (5/15).
- Histology revealed cells arranged around vascular spaces; tumors were classified as benign (4/15), intermediate (2/15), or malignant (9/15).
- Surgery was the primary treatment; of 14 patients with follow-up, 8 died of disease, 3 had recurrence, and 3 were disease-free.
Conclusions:
- Primary bone hemangiopericytoma is a rare, often malignant tumor predominantly affecting the pelvis.
- Surgical management is standard, but outcomes are variable, with a significant rate of mortality and recurrence.
- Further research is needed to establish optimal treatment strategies for this rare entity.