porencephalic cyst


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Related to porencephalic cyst: Schizencephaly

porencephalic cyst

An anomalous cavity of the brain that communicates with the ventricular system.
See also: cyst
References in periodicals archive ?
In study conducted by Hyun Chang [4] et al, porencephalic cysts showed no specific metabolite peak.
Expanding Porencephalic Cysts: Prenatal Imaging and Differential Diagnosis.
reported a case of porencephaly in which the patient presented with spontaneous CSF otorrhea caused by a massive porencephalic cyst [8].
The actual MRI (11/17/2009) confirmed clear evidence for an ischemic stroke with a circumscribed porencephalic cyst and minor gliosis in the left periventricular and central white matter with no evidence for residuals of cerebral hemorrhage (hemosiderin) (Figures 4(a), 4(b), 4(c), and 4(d)).
The cyst may recur after leakage of the hydatid fluid during surgery.[9,25] In the postoperative period, porencephalic cysts and subdural effusions have been presented in the literature.[2,29] Cyst-peritoneal shunt and subdural-peritoneal shunt treated our two patients who had a porencephalic cyst and subdural effusion.
MRS showed reduced NAA/Cr ratio (<1.6) in arachnoid cysts, porencephalic cysts. Lactate peak was observed in 2 cases.
The anatomical recognition of this variant becomes important for the occurrence of saccular aneurysms, relatively common (13-71%), associated malformations (dysgenesis of the corpus callosum, lobar holoprosencephaly, septooptic dysplasia, porencephalic cysts, and arteriovenous malformations), and presence of bifrontal infarctions in case of occlusion [1].