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Case Reports
. 2010 Jun;31(6):1080-1.
doi: 10.3174/ajnr.A1872. Epub 2009 Nov 26.

Osteoblastoma of the hyoid bone

C M Rivera-Serrano  1 , B F Branstetter 4th, J T Johnson
Affiliations
Case Reports

Osteoblastoma of the hyoid bone

C M Rivera-Serrano et al. AJNR Am J Neuroradiol. 2010 Jun.

Abstract

Osteoblastoma is a rare bone tumor that usually affects the vertebrae. We present the first known case of osteoblastoma arising in the hyoid bone, in a patient who presented with a neck mass and dysphagia. The radiographic appearance of the tumor is similar to that of low-grade chondrosarcoma, with well-defined expansion of the bone and central chondroid matrix.

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Figures

Fig 1.
Fig 1.
Hyoid osteoblastoma. Contrast-enhanced neck CT in axial (A), coronal (B), and sagittal (C) planes demonstrates a well-defined mass (arrows) arising from the left side of the hyoid bone. The enhancement pattern of the mass is heterogeneous, and there is a calcified central tumor matrix. The relationship to the hyoid bone is most clear on the sagittal image (C).
Fig 2.
Fig 2.
Specimen radiograph demonstrates more clearly the central chondroid matrix of the tumor.
See this image and copyright information in PMC

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