Posterior fossa anomalies in 19 patients with PHACES with IAC enlargement

Age at Initial MRI	Sex	IAC Enhancing	Posterior Petrous Prominence	Cerebellar Hypoplasia	Occipital Bone	Side of Facial Hemangioma
3 mo	F	Yes^{^a}	Yes	Yes	Smaller	Ipsilateral
1 mo	F	Yes^{^a}	Yes	No	No	Ipsilateral
2 mo	F	Yes^{^a}	Yes	No	No	Ipsilateral
4 mo	F	Yes^{^a}	Yes	Yes	Smaller	Ipsilateral
38 d	M	Yes	No	Yes	Larger	Ipsilateral
9 mo	F	Yes	Yes	Yes	Smaller	Ipsilateral^{^b}
29 mo	M	Yes	Yes	Yes	Smaller	Ipsilateral
24 mo	F	No	Yes	Yes	Smaller	Ipsilateral
18 mo	M	No	Yes	Yes	Smaller	Ipsilateral
15 mo	F	No	Yes	Yes	Deformed	Contralateral
4 mo	F	No	Yes	Yes	Smaller	Ipsilateral
24 mo	F	No	Yes	Yes	Smaller	Ipsilateral
21 d	F	No	Yes	Yes	Larger	Ipsilateral
32 d	F	No	Yes	Yes	Larger	Ipsilateral
18 y	F	No	Yes	Yes	Smaller	Ipsilateral
8 y	F	NA	No	Yes	Smaller	Ipsilateral
13 y	F	NA	Yes	Yes	Deformed	Ipsilateral
17 y	F	NA	No	No	No	Ipsilateral
8 d	F	NA	Yes	Yes	Larger	Ipsilateral