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TABLE 3: 
MR imaging features of the lesions: summary
CharacteristicsNumber of Patients
Number of lesions
    14
    22
    >24
Localization
    Supratentorial/supra- and infratentorial8/1
    Spinal1
    Deep/superficial/both2/3/4
    Necrosis1
T2-weighted signal*
    Hyperintense/isointense10/1
Contrast enhancement*
    Strong/moderate/none5/5/1
    Homogeneous/heterogeneous5/5
Edema*
    Marked/moderate/absent4/6/1
    Ventricular ependymal involvement5
  • * Some patients had multiple sites and appearances of involvement.