Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy - CADASIL
History of recurrent transient ischaemic attacks.
Patient under follow-up, having been referred with a clinical diagnosis of certainty.
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MRI demonstrates extensive hyperintense areas involving supratentorial white matter, subcortical, periventricular and, especially and symmetrically, bitemporal on T2 and FLAIR weighted imaging.
SWI shows a small signal loss area at the left temporal lobe, probably secondary to microhemorrhage.
There is no significant associated brain atrophy.
MRI is an important diagnostic tool and can predict prognosis of CADASIL, since was established a direct relation between the load of lesions at baseline and the speed of lesions progression at follow-up. Patients with a high MR imaging lesion load are at risk for faster progression of the disease, so they may require more frequent clinical monitoring and MR imaging follow-up.
- Auer DP, Pütz B, Gössl C et-al. Differential lesion patterns in CADASIL and sporadic subcortical arteriosclerotic encephalopathy: MR imaging study with statistical parametric group comparison. Radiology. 2001;218 (2): 443-51. Radiology (full text) - Pubmed citation
- Liem MK, Lesnik Oberstein SA, Haan J, van der Neut IL, van den Boom R, Ferrari MD, van Buchem MA, van der Grond J. Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy: progression of MR abnormalities in prospective 7-year follow-up study. (2008) Radiology. 249 (3): 964-71. doi:10.1148/radiol.2492080357 - Pubmed