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Case No. 569
2020-10-01~2020-10-31
출제자 : 류경화
Hit : 505
| Period | 2020-10-01~2020-10-31 |
|---|---|
| Diagnosis | Cholesterol granuloma of nasal septum |
| Gender |
|
| Age | 63 |
| Clinical information | 63세/여자 수년전부터 시작된 코막힘 진단은? |
| Discussion | • Cholesterol granuloma of nasal septum is extremely rare • Composed of a core of cholesterol crystal surrounded by foreign body giant cell and chronic inflammation • Inflammatory granulomatous reaction to the hemosiderin formed after the breakdown of hemorrhage products • Image finding - CT: Expansile well-marginated lesion with thinned overlying bone - MRI T1: overall high signal due to cholesterol component and low signal rim due to hemosiderin rim T2: central high signal and peripheral low signal due to hemosiderin rim T1 C+ (Gd): no central enhancement, and faint peripheral enhancement |
| Correct answer |
Correct AnswerSemi-Correct Answer |