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Case No. 719
2025-04-01~2025-04-30
출제자 : 임영희
Hit : 867
| Period | 2025-04-01~2025-04-30 |
|---|---|
| Diagnosis | Giant Tumefactive Perivascular Spaces |
| Gender |
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| Age | 76 |
| Clinical information | 76/M Seizure |
| Discussion | CT; Segmental hypoattenuated area in both cerebral frontal white matter. MRI Multilocular CSF signal intensity lesion involving both hemispheric and subcortical white matter involvement. Giant tumefactive perivascular spaces Perivascular space (PVS), also known as Virchow–Robin spaces, are fluid-filled cavities around small cerebral penetrating vessels. When these cysts are expanded and cause focal mass effect, they are referred to as giant PVS, cavernous dilation, or Poirier Type IIIb “expanding lacunae” MRI Cluster of uniform or variable-sized cysts which follows CSF signal intensity on all MRI sequences. Can be combined with mild surrounding increased T2 signal and gyral expansion Reference Salzman K, Osborn A, House P et al. Giant Tumefactive Perivascular Spaces. AJNR Am J Neuroradiol. 2005;26(2):298-305 |
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