Abstract
Two patients with carotid body paraganglioma developed bone metastases 3 and 6 years respectively after surgical excision of the primary tumors. Plain radiographs showed ill-defined metastatic lesions. Scintigram using radiolabeled metaiodobenzylguanidine, an analogue of noradrenaline that is taken up by neurosecretary granules, showed an abnormal accumulation in the corresponding metastatic lesion. Histologically, nests of epithelioid cells with clear cytoplasm and pyknotic nuclei and abundant collagen fibers were observed within destroyed trabeculae. Treatment including external radiation and surgery provided pain relief and early local disease control.
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Kawai, A., Healey, J., Wilson, S. et al. Carotid body paraganglioma metastatic to bone: report of two cases. Skeletal Radiol 27, 103–107 (1998). https://doi.org/10.1007/s002560050346
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DOI: https://doi.org/10.1007/s002560050346