Primary intracranial extraskeletal myxoid chondrosarcoma: A case report and review of literature

Table 2 Brain magnetic resonance image features of published and present case

Ref.	T1WI	T2WI	Enhanced MRI or other exams
Scott et al[6], 1976	NA	NA	NA
Smith and Davidson[7], 1981	NA	NA	NA
Salcman et al[8], 1992	Well-defined, hyperintensity	Homogeneous hyperintensity	NA
Sato et al[9], 1993	NA	NA	NA
Chaskis et al[10], 2002	Hypointensity	NA	Heterogeneous enhancement
González-Lois et al[11], 2002	NA	NA	Significantly homogeneous enhancement
Im et al[12], 2003	Unclear-defined, hypointensity	Hyperintensity	Homogeneously well enhanced
Cummings et al[13], 2004	NA	NA	Heterogeneous enhancement
Sorimachi et al[15], 2008	Mixed signal intensity, hyperintensity (hemorrhage)	NA	Heterogeneous enhancement
O'Brien et al[14], 2008	Hypointensity	Hyperintensity	NA
Arpino et al[16], 2011	Hypointensity	Hyperintensity	Heterogeneously peripheral enhancement
Dulou et al[17], 2012	NA	Hyperintensity, peritumor edema	Heterogeneously ring-like enhancement
Park et al[18], 2012	Homogeneous iso-intensity	Heterogeneous hyperintensity, Peritumor edema	Heterogeneously lobulated enhancement
Qin et al[19], 2017	NA	NA	NA
Akakin et al[20], 2018	NA	Heterogeneous hyperintensity	Heterogeneously rim-like enhancement, DWI showed intratumor calcification
Present case	Homogeneous hypointensity	Heterogeneous hyperintensity	Heterogeneously well enhanced

MRI: Magnetic resonance image; T1WI: T1-weighted image; T2WI: T2-weighted image; DWI: Diffused-weighted image; NA: Not available.