Porencephaly refers to –
Correct Answer: Vascular lesion due to degenerative vessel disease and head injury
Description: Porencephaly Refers to the presence of cysts or cavities within the brain, that may results from
Developniental defects (True porencephalic cysts).
Acquired lesions of infarction of tissues. (i.e. Vascular lesions) - AV malformation or infarcts or (Pseudo-porencephalic cysts).
Defects of NeuronalMigration : malformations of cortical development
Lissencephaly - Also called agyria
Characterized by absence of cerebral convolutions and poorly formed sylvian fissure giving the appearance of 3-4 months fetal brain.
Schizencephaly - Presence of unilateral or bilateral clefts within the cerebral hemisphere due to an Abnormality of morphogenesis
Porencephaly - Presence of cysts cavities within the brain that result from developmental defects or acquired lesions including infarction of tissue.
Holoprosencephaly - Developmental disorder of brain that results from defective cleavage of prosencephalon.
Category:
Pediatrics
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