Table 3

Patients who developed subependymal giant cell astrocytoma

Patients	Age at first seizure	Seizure types	Age at first CT or MRI	SEN detected at first imaging	Number of SEN near Monro foramina	Diameter > 5 mm	Calcification of SEN	Gadolinium enhancement	Volume increase (age at tumour growth in y)	Ventricular enlargement	Surgery
1^3-150	3 months	IS	7 y	+	1	+	Part	+	+ (between 7 y and 9 y)	-	+
2	3 months	IS	3 y	+	2	+	Part	-	+ (at 6 y)	+ (ICH)	+
3^3-152	1 month	IS	1 y	+	2	+	Part	+	+ (between 1 y and 3 y)	+	+
4^3-151	1 month	PS	2 months	-	1	+	Part	+ (at 7 y)	+ (between 1.5 y and 6 y)	+	+
5^3-152	8 months	IS	1 y	+	1	+	Part	+	+ (between 1 y and 3 y)	+	+
6^3-152	1 month	PS	8 months	+	2	+	Part	+	+ (between 2 y and 5 y)	+	+
7	4 months	IS	1 y	+	1	+	Part	-	+ (between 6 y and 9 y)	-	+
8	10 months	IS	3 y	+	1	+	Part	Not done	+ (between 3 y and 9 y)	-	-

↵3-150 The patient died 24 hours after surgery (convulsive status).
↵3-151 The first CT was performed in 1979 (the patient was referred to SVP 8 years later for intractable epilepsy).
↵3-152 These patients have familial tuberous sclerosis.
IS=infantile spasms; SEN=subependymal nodule; part=partial; ICH=intracranial hypertension.