Cerebellar radiological abnormalities in children with neurofibromatosis type 1: part 1 - clinical and neuroimaging findings

Table 6 The number (no.) of patients with focal abnormal signal intensities (FASI) and the total number of FASI in different brain locations at baseline MRI in all patients

No. of patients	Mean age at MRI (95% CI) in years	The no. of patients with FASI per brain region:
No. of patients	Mean age at MRI (95% CI) in years	Cerebellum	Brainstem	Thalamus	Hypothalamus	Basal ganglia	Cerebrum
50	7.8 (6.5–9.1)	49	31	14	3	36	17
^a Median no. of FASI (min.-max.) per patient	Total no. of FASI in all patients	The total no. (%) of FASI in all patients per brain region:
^a Median no. of FASI (min.-max.) per patient	Total no. of FASI in all patients	Cerebellum	Brainstem	Thalamus & hypothalamus		Basal ganglia	Cerebrum
7 (2–17)	339	136 (40.1)	82 (24.2)	28 (8.3)		65 (19.2)	^a28 (8.3)

^a One patient with the numerous cerebral lesions is excluded, min. minimum, max. maximum

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