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AJNR Am J Neuroradiol. 2000 Sep;21(8):1559-62.

Amyloidoma of the skull base.

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Department of Radiology, Algemeen Stedelijk Ziekenhuis Campus Aalst, Belgium.


We report a case of a primary amyloidoma of the skull base. Plain radiography and CT showed a lytic, highly destructive lesion with multiple scattered calcifications within. MR imaging revealed that the tumor was isoto hypointense to muscle on T1-weighted images and extremely hypointense on T2-weighted images. In contrast to two previous reports, marked enhancement after the administration of contrast material was absent. Bone amyloidomas are very rare and are frequently misinterpreted as chondrosarcomas.

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