Table 2:

Imaging findings of the 13 patients, showing locations of conventional MR imaging, SWI (cortex and white matter), and PET abnormalities; for FDG-PET, areas with severe (>20% decrease) and mild (10–20% decrease) hypometabolism are indicated

Patient	Past CT Scan	Conventional MRI	SWI Abnormality		FDG-PET Hypometabolism
Patient	Past CT Scan	Conventional MRI	Cortex	White Matter	Severe	Mild
1	NA	L P angioma (small)		L F-P		L P
2	R calc	R P angioma (small), plexus		R P, F		R O
3	L P calc (very small)	L sP angioma (small)
4	Normal (age 1.5 years)	R P angioma R pP atrophy		R F-P	R P	R T
5	NA	L p plexus L T angioma		L T		L TO, iF
6	NA	R P, pT angioma, atrophy, R p plexus		R T	R P, pT	R T
7	NA	R F, P, pT-O angioma R hemisphere atrophy R p plexus	R F-P, pT-O L iF	[R F^*]	R sT, sO R P-F	R O
8	L hem calc	L hemisphere angioma L p plexus	L P-O, F, T	[L F^*]	L T-P-O, iF	L sF
9	NA	L P angioma, plexus	L P, T	L F, cerebellum	L P-T-O	L F
10	L P calc	L P, pT, iF angioma	L P-T-O, F	L F	L P-T-O	L F
11	R P calc	R sP, mT angioma	R sP-F, mT R mO		R aT	R pT-O R sP
12	L hem calc	L P-T-O, F angioma L posterior plexus	L P-T, m-i F	L F	L T-P-O	L T-P-O
13	R F-P calc (age 8 months)	R F-P angioma R F, T, P atrophy	P p-i F	R F-P R med T	R T-P-O, F	R F R T-P-O

Note:—SWI, susceptibility-weighted imaging; FDG, fluorodeoxyglucose; L, left; R, right; T, temporal; F, frontal; P, parietal; O, occipital; i, inferior; p, posterior; a, anterior; s, superior; m, middle; med, medial; WM, white matter; adj, adjacent; calc, calcification, NA, not available; hem, hemisphere.
* Only short streaks in the centrum semiovale.