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Case No. 555
2020-06-01~2020-06-30
출제자 : 이경식
Hit : 355
| Period | 2020-06-01~2020-06-30 |
|---|---|
| Diagnosis | Meningioma with encyst formation (peritumoral arachnoid cyst) |
| Gender |
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| Age | 57 |
| Clinical information | 갑작스런 경련을 주소로 내원한 57세 여자환자의 MRI 영상입니다. 가능한 진단은? |
| Discussion | Meningioma with encyst formation (peritumoral arachnoid cyst) or cystic meningioma (type 4) Imaging feature: identical to non-cystic meningiomas : Subtypes of cystic meningiomas according to the location of the cyst with respect to the brain and meningioma - type 1: intratumoral cyst(s), located centrally within the meningioma - type 2: intratumoral cyst(s), situated peripherally within the meningioma but still surrounded by tumor - type 3: cyst wall may contain nest of tumor cells. - type 4: cyst(s) located within the adjacent brain (m/c type) - type 5: cyst(s) located between the meningioma and brain (arachnoid cyst) |
| Correct answer |
Correct AnswerSemi-Correct Answer |