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  • Title: Appearance of cerebral infarct fogging on CT perfusion.
    Author: Braileanu M, Weinberg BD, Hu R, Hoch MJ.
    Journal: Radiol Case Rep; 2019 Jul; 14(7):889-893. PubMed ID: 31193262.
    Abstract:
    Fogging is a deceptive phenomenon that can partially or completely obscure a subacute infarct on noncontrast head CT. We present the appearance of infarct fogging on CT perfusion through 3 cases. At time of fogging, the subacute infarctions demonstrated variable mean transit time with increased cerebral blood volume and cerebral blood flow on CT perfusion. Fogging occurred within 6-10 days, sooner than the previously described 2-3 weeks in classic fogging. At time of fogging, CT perfusion demonstrated a "luxury-like" perfusion pattern and augmented the identification of the true extent of the infarction at time of fogging.
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