Clival Giant Cell Tumor: A Rare Case Report
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Giant cell tumor (GCT) of bone constitutes 3-7% of all bone tumors and in those head and neck area including skull comprises of 2%. In the head and neck region, GCT occurs principally in the jaw bones and less commonly in the ethmoidal bones, sphenoid bones, zygomatic bones, temporal bones, and frontal bone. Although rare, skull base GCT involves mostly sphenoid bone followed by petrous temporal bone.The common occurrence in the sphenoid bone is due to the enchondral ossification as compared to membranous ossification of other skull bones. GCT arises from the nonosteogenic stromal cells of bone marrow. We present an interesting report of the GCT arising from the clivus in a 20-year-old male with a review of the literature.

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