Table 2.

Macrocephaly protocol

Sequence	Coverage	Slice/gap (mm)	Notes
Sag T1 3-D	WB	1/0	Reformat Ax/Cor 1.5/1.5 mm
Cor 3-D FLAIR CUBE	WB	1.2/0	Reformat Ax/Sag 1.5/1.5 mm
Options
Ax T2 dual echo	WB	4/2	If leukoencephalopathy, TR=3,000 ms, TE=60/120 ms
MRS 2-D CSI			If leukoencephalopathy, 2-D box at level of BG to include posterior white matter
Gad 3-D T1	WB		If new hydrocephalus, reformat Ax/Cor 1.5/1.5 mm

Ax axial, BG basal ganglia, Cor coronal, FLAIR fluid-attenuated inversion recovery, MRS magnetic resonance spectroscopy, Sag sagittal, TE echo time, TR repetition time, WB whole brain