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Case Reports in Oncological Medicine
Volume 2014 (2014), Article ID 470268, 4 pages
http://dx.doi.org/10.1155/2014/470268
Case Report

Malign Recurrence of Primary Chest Wall Hemangiopericytoma in the Lung after Four Years: A Case Report and Review of the Literature

1Division of Medical Oncology, Tepecık Education and Research Hospital, Gaziler Caddesi, No. 468, Yenisehir, Izmir, Turkey
2Division of Medical Oncology, Izmir Ataturk Training and Research Hospital, Izmir, Turkey
3Department of Internal Medicine, Dokuz Eylul Universıty Medical School, Izmir, Turkey
4Division of Medical Oncology, Dokuz Eylul Universıty Medical School, Izmir, Turkey
5Department of Pathology, Dokuz Eylul Universıty Medical School, Izmir, Turkey
6Division of Medical Oncology, Izmır University, Medical Park, Izmir, Turkey
7Department of Thoracic Surgery, Dokuz Eylul Universıty Medical School, Izmir, Turkey

Received 24 April 2014; Accepted 15 July 2014; Published 13 August 2014

Academic Editor: Jeanine M. Buchanich

Copyright © 2014 Tulay Akman et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Hemangiopericytoma (HPC) may develop in every site where the endothelial tissue exits and primarily develops in the skeletal-muscular system or the skin. Adult cases of HPC generally exhibit a benign course. 20–30% of the cases may show a malign course. The tumors that show more than four mitoses, a focal area of necrosis, and increased cellularity on a magnification ×10 are considered as malign. In our paper, we presented our case who showed a lung metastasis at the end of 4 years and who developed a pathological fracture of the right humerus at the end of approximately 2 years, because hemangiopericytoma is rarely seen in the chest wall as a primary tumor.