Table 2:

Summary of other imaging findings in patients included in this study

Patient	Age at MRI/CT	Facial Nerve	Posterior Fossa	White Matter	Olfactory Bulbs	Lacrimal Glands	Parotid Glands
A	?/?	Present	N	N	N/A	Hypoplastic	N/A
B	32 mo/32 mo	Present	ICP	Abnormal	Agenesis ×2	Hypoplastic	Hypoplastic
C	32 mo/32 mo	Present	N	N	Agenesis ×2	N	N
D1^{^a}	5 wk/–	Present	N	Abnormal	N/A	Hypoplastic	Hypoplastic
D2^{^a}	2 mo/2 mo	Present	N	N	N/A	Hypoplastic	Hypoplastic
E	3 yr/3 yr	Present	N	N	Agenesis ×2	Hypoplastic	Hypoplastic
F	2 mo/–	Right agenesis	Hypoplastic brain stem	Abnormal	Agenesis ×2	Absent	Hypoplastic
G	5 yr/5 yr	Present	N	N	N/A	N	Hypoplastic
H	18 yr/–	Present	N	Large VRS	Agenesis ×2	Absent	Hypoplastic
I	20 mo/20 mo	Present	N	Abnormal	Agenesis ×2	N	N
J	4 yr/4 yr	Present	N	N	N/A	Hypoplastic	Hypoplastic
K	18 mo/18 mo	Present	N	Abnormal	N/A	Hypoplastic	Hypoplastic
L	–/16 yr	N/A	N/A	N/A	N/A	N/A	Hypoplastic
M	8 days/ 8 days	Present	N	Abnormal	Presents	Hypoplastic	Hypoplastic
N	31 yr/31 yr	Present	N	N/A	Agenesis ×2	Hypoplastic	Hypoplastic
Agenesis or absence (%)		7			88	14
Defect (%)			14	50		79	85

Note:—N indicates normal; N/A, could not be analyzed; R, right; and L, left; –, not performed; ?, age unknown; ICP, inferior cerebellar peduncles; VRS, Virchow Robin spaces; ×2, similar findings on both sides.
↵a Brothers.