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Malignant Hemangiopericytoma of the Condyle

Zhou, Qin MS*; Yang, Chi MD*; Qiu, Ya-ting MD*; Wang, Li-zhen PhD; Zheng, Jia-wei PhD*; Zhang, Zhi-yuan PhD*

Journal of Craniofacial Surgery: January 2012 - Volume 23 - Issue 1 - p e33–e36
doi: 10.1097/SCS.0b013e318241db73
Brief Clinical Studies

Hemangiopericytoma (HPC) is an uncommon vascular tumor arising from pericytic cells with variable malignant potential. Primary HPCs of the bone are extremely rare; however, involvement of the condylar process has not been reported. We presented a 21-year-old female patient with low-grade malignant HPC in the right mandibular condyle. Clinical examination and imaging findings revealed a well-defined soft mass, encapsulating the mandibular condyle from behind. The lesion and mandibular condyle were removed simultaneously; then, the costochondral graft was used to reconstruct the defect. Histopathologic examinations of the specimen confirmed the diagnosis. After 2 years of follow-up, the patient is free of disease, and mouth opening returned to normal.

From the Departments of *Oral and Maxillofacial Surgery and †Oral Pathology, Ninth People’s Hospital, College of Stomatology, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.

Received March 4, 2011.

Accepted for publication March 19, 2011.

Address correspondence and reprint requests to Chi Yang, PhD, No. 639 Zhi Zao Ju Rd, Shanghai 200011, China; E-mail:

The authors report no conflicts of interest.

© 2012 Mutaz B. Habal, MD