Article Figures & Data
Figures
- Fig 1.
A 64-year-old man with DVA in the right frontal lobe. A, PSI shows DVA in the right frontal lobe (arrow) and hypointense foci around the DVA (arrowhead). B, T2-weighted image shows WMH around the DVA (arrow). C, DVA is enhanced by contrast agent administration, whereas hypointense foci are not enhanced on T1-weighted image.
- Fig 2.
A 25-year-old woman with DVA in the right cerebellum. A, PSI shows DVA in the right cerebellum and hypointense foci around the medullary veins (arrowhead). B, T2-weighted image shows WMH around the DVA (arrowhead).
- Fig 3.
A 75-year-old man with DVA in the right parieto-temporal lobe. A, PSI shows DVA in the right parieto-temporal lobe (arrow) and minute hypointense foci around the DVA (arrowhead). B, T2-weighted image shows WMH around the DVA (arrow).
Tables
n Peripheral 18 Central 11 Both 6 Note:—Total n = 35. Three patients were excluded because the hypointense foci were too large to assess.
Hypointense Foci (+) (n = 38) Hypointense Foci (−) (n = 23) n % n % WMH Yes 26 68.4 7 30.4 No 12 31.6 16 69.6 Location Basal ganglia/thalamus 6 15.8 0 0 Lobe 19 50.0 15 65.2 Cerebellum 10 26.3 5 21.7 Pons 3 7.9 3 13.0 Depth Periventricular 16 42.1 13 56.5 Juxtacortical 8 21.1 5 21.7 Subcortical 14 36.8 5 21.7 Draining vein Long 15 39.5 16 69.6 Medium 14 36.8 5 21.7 Short 9 23.7 2 8.7 Direction Deep 11 28.9 4 17.4 Superficial 27 71.1 19 82.6 Note:—Total n = 61.
- Table 3:
Patient symptoms and indications for examinations in the 2 groups based on hypointense foci
Hypointense Foci (+) (n = 38) Hypointense Foci (−) (n = 21) n n % n % Symptoms or clinical indications for examinations No/follow-up of primary disease 11 52.4 10 47.6 21 Seizures 5 83.3 1 16.7 6 Transient ischemic attack/stroke 5 83.3 1 16.7 6 Dizziness, vertigo 1 25 3 75 4 Headache 4 100 0 0 4 Sensory disturbance 2 66.7 1 33.3 3 Double vision 2 100 0 0 2 Dysarthria 2 100 0 0 2 Nerve palsy 1 50 1 50 2 SDH 1 50 1 50 2 Consciousness disturbance 1 100 0 0 1 ICH 1 100 0 0 1 Visual field disturbance 1 100 0 0 1 SAH 0 0 1 100 1 Syncope 0 0 1 100 1 Trauma 0 0 1 100 1 Unknown 1 0 1 Note:—SDH indicates subdural hematoma.
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