The neuropsychological phenotype of Chediak-Higashi disease

Table 5 Adult patient clinical neuroimaging findings and average T-scores

	Neuroimaging
Patient ID	Cerebellar Atrophy^a	Cerebral Atrophy	Average neuropsychological T-score (M = 50, SD = 10)
CHD-17	0	0	43
CHD-27	+	0	31
CHD-26	+	0	27
CHD-19	+	0	40
CHD-24	0	+	32
CHD-5	Not scanned	Not scanned	38
CHD-23	+	++	35
CHD-20	++	+++	30
CHD-30	+++	+++	30
CHD-33	0	+	32
CHD-31	0	+	43
CHD-18	+	0	42
CHD-32	++	+++	30
CHD-35	0^	0^	30

^aNeuroimaging revealed that all individuals had cerebellar hypoplasia
0 = no abnormality, + = mild impairment, ++ = moderate impairment, +++ = severe impairment, ^=based on non-NIH scan

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