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In hydranencephaly, the cerebral hemispheres are absent or represented by membranous sacs with
remnants of frontal, temporal or occipital cortex dispersed over the membrane. The brain stem is
relatively intact. The cause of hydranencephaly is unknown, but bilateral occlusion of the internal
carotid arteries during early fetal development can explain most of the pathologic abnormalities.
We evaluated a case of hydranencephaly by magnetic resonance(MR)... |
