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Case Reports in Orthopedics
Volume 2013 (2013), Article ID 870324, 4 pages
Case Report

Pigmented Villonodular Synovitis of the Thoracic Vertebra Presenting with Progressive Spastic Paraparesis

1Ortopedia Private Hospital, Orthopaedics and Traumatology Clinic, 01130 Adana, Turkey
2Hospital Park Darica Hastanesi, Emek Mah, Fatih Sultan Mehmet Cad, No. 131, Bayramoglu Darıca/Kocaeli, Turkey
3Adana Numune Education and Research Hospital, Neurosurgery Clinic, 01240 Adana, Turkey

Received 27 July 2013; Accepted 15 August 2013

Academic Editors: Y. Kasai, C. C. Liao, C. W. Muller, and G. Singer

Copyright © 2013 Mustafa Celiktas 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.


Pigmented villonodular synovitis (PVNS) is a proliferative benign lesion originating from the synovium and commonly affects large joints of the extremities. PVNS can arise from any synovium in the whole body and rarely affects the zygapophyseal joints of the spine. Spinal PVNS is diagnosed mostly after resection of the mass. In our case we present a 22-year-old male patient showing progressive spastic paraparesis with insidious onset of back pain and difficulty of walking in a relatively short period of 1 month. After gross excision of the mass, diagnosis was established through histopathology. Two years of follow-up period reveals complete resolution of the patient’s complaints and no recurrence on radiologic images.