porencephaly


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porencephaly

[‚pȯr·ən′sef·ə·lē]
(medicine)
A condition in which the cavity of a lateral ventricle extends to the surface of the cerebral hemisphere; may result from brain tissue destruction or maldevelopment.
References in periodicals archive ?
The Zika surveillance case definition covers all birth defects that have been reported as potentially related to Zika virus infection and includes brain abnormalities such as microcephaly, intracranial calcifications, fetal brain disruption sequence, abnormal cortical formation, and porencephaly, among others; neural tube defects and other early brain malformations, such as anencephaly, spina bifida, encephalocele, and holoprosencephaly; eye abnormalities, such as microphthalmia/anophthalmia, cataracts, chorioretinal and optic nerve abnormalities, among others; and consequences of central nervous system dysfunction, such as joint contractures and congenital sensorineural deafness.
Unilateral abnormalities may include porencephaly and focal haemorrhage.
About the diagnosis, this essay was constituted by Rasmussen syndrome (n = 1; 9%), Sturge-Weber syndrome (n = 1; 9%); cortical dysplasia (n = 5; 45%), hemimegalencephaly (n = 2; 18%), porencephaly (n = 1; 9%) and pachygyria (n = 1; 9%).
The fetal injuries that result from infections with these viruses are most often described as hydranencephaly, porencephaly, cerebellar hypoplasia, retinal dysplasia, microcephaly and arthrogryposis of neurogenic nature, among others (OBERST, 1993).
Schmallenberg virus in calf born at term with porencephaly, Belgium.
Hemimegancephaly, porencephaly, Aicardi syndrome, olivary dentate dysplasia, mammillary body agenesis, cerebral dysgenesis and cortical dysplasias have been related with this condition.
Spine bifida, hypospadias, porencephaly, and other brain anomalies, as well as limb reduction defects, are associated with valproate, particularly at dosages exceeding 1,100 mg/day.
Cardiac malformations are associated with carbamazepine, phenobarbital, and valproate; spine bifida, hypospadias, porencephaly, and other brain anomalies, as well as limb reduction defects, are associated with valproate, particularly at doses >1100 mg/d.
The occurrence of leucoencephalopathy, lacunar lesions, micro- and macrohaemorrhages, porencephaly, cataract, infantile-onset hemiparesis and retinal arteriolar tortuosity in the presence of a positive family history has been recently related to mutation of the Col IV A1 gene.
Schizencephaly can be differentiated from porencephaly on MRI by the fact that porencephalic cysts are lined with white matter.
Although we will tell patients that we'd rather not have porencephaly, we can't tell them what it means when there's a focal area of porencephaly [other than] that the prognosis will be worse than if we hadn't seen it.
5% (n=18), CNS tumours (n=2) namely medulloblastoma and astrocytoma, CNS malformation (n=1) namely porencephaly (Table 2).