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Case No. 549
2020-04-01~2020-04-30
출제자 : 정미선
Hit : 352
| Period | 2020-04-01~2020-04-30 |
|---|---|
| Diagnosis | Lhermitte-Duclos disease |
| Gender |
|
| Age | 48 |
| Clinical information | 48/M Dizziness 진단은? |
| Discussion | Lhermitte-Duclos disease - Dysplastic cerebellar gangliocytoma, Benign probably hamartomatous cerebellar lesion (WHO grade I). - Any age: m/c between 20-40 years, M=F. - Symptom: Headache, N/V, papilledema, unsteady gait, upper limb ataxia. # Image findings - Relatively well-defined cerebellar mass with striated/corduroy/tigroid/gyriform pattern - Always in cerebellum and may be large → mass effect, tonsillar herniation, hydrocephalus CT findings - Normal to high attenuation with striation - Occasionally cystic areas &/or calcifications MR findings - T1WI : hypointense with striation - T2WI/FLAIR : hyperintense with characteristic iso- to hypointense striation, bizarre gyriform appearance - T2*GRE : veins between folia - DWI : ↑ signal on DWI d/t ↑ T2 signal / Low to ↑ ADC - PWI : ↑ rCBV & CBF - T1WI C+ : +/- enhancement |
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Correct Answer
Semi-Correct Answer |