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PT  - JOURNAL ARTICLE
AU  - Walker, Matthew T.
AU  - Toye, Leon R.
AU  - Coons, Stephen W.
AU  - Porter, Randall W.
AU  - Wallace, Robert C.
TI  - Intradural Primary Chondroblastic Osteosarcoma: Case Report
DP  - 2001 Nov 01
TA  - American Journal of Neuroradiology
PG  - 1960--1962
VI  - 22
IP  - 10
4099  - http://www.ajnr.org/content/22/10/1960.short
4100  - http://www.ajnr.org/content/22/10/1960.full
SO  - Am. J. Neuroradiol.2001 Nov 01; 22
AB  - Summary: We report a rare case of intradural primary osteosarcoma (IPOS) in a 74-year-old man with aphasia and right-sided hemiparesis. Radiologic workup revealed a large, partially calcified, left-sided frontotemporal intracranial mass lesion. At surgery, the tumor was found to be entirely intradural; it involved the brain and subarachnoid space of the left sylvian fissure. The adjacent dura was uninvolved. Neuropathologic findings confirmed the diagnosis of chondroblastic osteosarcoma. To our knowledge, this is the sixth reported case of IPOS and the first reported case of the chondroblastic subtype.