Figure 2From: A large choroid plexus cyst diagnosed with magnetic resonance imaging in utero: a case reportHistopathological examination revealed a CPC. (A) CPC is lined by one cell thick ependymal cells. Focally, it has converted into papillary fronds with highly vascular connective tissue cores. (B) The cells covering the fronds immonustain with S-100 protein but lack any evidence of immunoreactions with glial fibrillary acidic protein (GFAP).Back to article page