Brain Tumor Res Treat.  2015 Oct;3(2):115-117. 10.14791/btrt.2015.3.2.115.

Aneurysmal Bone Cyst of Sphenoid Bone and Clivus Misdiagnosed as Chordoma: A Case Report

  • 1Department of Radiology, Istanbul University, Cerrahpasa Medical Faculty, Istanbul, Turkey.
  • 2Department of Pathology, Goztepe Training and Research Hospital, Istanbul Medeniyet University, Istanbul, Turkey.


Aneurysmal bone cysts (ABCs) are benign and rapidly expanding bone destructive lesions of any bone. They are commonly localized in the metaphysis of long bones, whereas skull base ABCs are rare. We report a case of a 21-year-old man who had been misdiagnosed as chordoma and undergone surgery. However, histopathological examination revealed it to be an ABC.


Bone cyst, aneurysmal; Chordoma; Magnetic resonance imaging
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