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KMID : 1099620170140030099
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Korean Journal of Spine
2017 Volume.14 No. 3 p.99 ~ p.102
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Solitary Osteochondroma Presenting as a Dumbbell Tumor Compressing the Cervical Spinal Cord
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Lee Ju-Hyung
Oh Sung-Han
Cho Pyung-Goo
Han Eun-Mi
Hong Je-Beom
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Abstract
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We report a case of a solitary osteochondroma as a dumbbell tumor compressing the spinal cord and its surgical strategy. The patient is a 16-year-old female with longstanding posterior neck pain and left arm abduction weakness. She was examined by plain X-ray, three-dimensional-computed tomography, magnetic resonance imaging, and vertebral angiography. The analyses indicated a calcified extradural mass compressing the cord in the C3?4 portion extending into the neural and vertebral foramen with eroded vertebral body. The tumor was successfully excised using a modified combined anterior and posterior approach. Histopathologic study of the resected material confirmed the diagnosis. The postoperative assessment was followed by clinical and radiologically therapy for 5 years after surgery. Osteochondroma arises from enchondral bone but it rarely involves the spine, especially not as s dumbbell type. In this patient, the tumor may have arisen from the neural arch and extended into the extradural and extraforaminal space over a long period. We successfully removed the dumbbell tumor with a combined anterior oblique and posterior approach. However, further observation is essential because of the possibility of recurrence and sarcomatous change.
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KEYWORD
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Dumbbell shaped tumor, Osteochondroma, Spinal cord compression
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