Table 1.

A summary of demographic data, clinical and histological diagnoses of 13 patients

Age (years)	Gender	Clinical diagnosis	Histologic diagnosis	Use of steroids prior to MRI
27	M	Duodenal stromal tumor, left frontal temporal tumor	Metastatic gastrointestinal stromal tumor	Nil
30	M	Right temporal parietal tumor	Anaplastic oligoastrocytoma, (grade III)	Nil
41	M	Left frontal tumor	Astrocytoma (grade II)	Nil
46	M	Left frontal tumor	Anaplastic oligoastrocytoma (grade III)	No steroids
48	M	Turcot syndrome, left frontal tumor	Oligoastrocytoma (grade II, progressing to grade III)	Nil
48	F	Right upper lobe lung mass, left temporal tumor	High-grade malignant tumor, consistent with rhabdoid tumor	Steroids for 1 day
51	M	Splenium of corpus callosum	Glioblastoma in background of gemistocytic astrocytoma	Nil
55	M	Left insula tumor	Glioblastoma	Nil
57	F	Known parasagittal meningioma	Nil	Nil
72	F	Solitary right inferior parietal tumor, known carcinoma of lung	Nil	Nil
74	F	Known frontal meningioma	Nil	Nil
77	M	Left temporal tumor	GBM	No record available
84	F	Left parietal tumor	Meningioma	Steroid for 1 day