PubMed · 90962
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T A Traill, N J Fortuin. 1979-10-20. Mitral annulus calcification and cerebral ischaemia.. https://doi.org/10.1016/s0140-6736(79)92219-0
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Systematic CT studies on ten patients with persistent ischemic cerebral infarct revealed a constant phenomenon, the fogging effect. The hypodense infarct at the beginning will be isodense, or close to isodense, on the plain CT during the seond of third weeks and at a later stage will be hypodense again. The fogging infarcted area shows homogeneous intensive contrast enhancement. Knowledge of the fogging effect is important for correct interpretation of the CT image and the indication for contrast medium CT. CT without contrast medium may lead to misinterpretation during the second and third weeks after the onset of cerebral infarction.
Computer-tomography investigations in 300 patients with cerebrovascular diseases are reported. The possibilities of computer-tomography for localization and follow-up of ischaemic attacks, intracerebral haematoma and subarachnoidal haemorrhages are described. Details of clinical and diagnostic importance of follow-up studies are presented together with examples of current pathological data.