Table 1.

Immunohistochemical findings for intracranial cystic lesion

Lesion type	EMA	CEA	Vimentin	GFAP	NSE
Enterogenous cyst	+	+	–	–	–
Arachnoid cyst	+	–	+	–	+
Ependymal cyst	+	–	–	+	+
Choroidplexus cyst	–	–	+	–	+
Colloid cyst	+	+	–	–	–