Fig 1.
Flow diagram of patient selection and the inclusion and exclusion criteria.
Table 1.
LGA, low-grade astrocytoma; HGA, high-grade astrocytoma; SCM, solitary cerebral metastasis.
Fig 2.
Representative MR images of astrocytoma and solitary cerebral metastasis.
A–C: A 39-year-old man with WHO grade I pilocytic astrocytoma without enhancement that is located in the left frontal lobe and in contact with the frontal horn of the left lateral ventricle. D–F: A 47-year-old man with WHO grade III anaplastic astrocytoma that is located in the right frontal lobe, is in contact with the frontal horn of the right lateral ventricle, and exhibits apparent edema and necrosis. G–I: A 50-year-old man with left occipital renal carcinoma metastasis that is not in contact with the lateral ventricle.
Table 2.
Intra-observer and inter-observer agreements for the assessment of SVZ involvement on MRI.
Table 3.
Relationship of SVZ-contact rate with necrosis in astrocytomas and solitary cerebral metastases.
SCM, solitary cerebral metastasis.