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Case No. 270
2012-05-02~2012-05-31
출제자 : 김은희
Hit : 473
| Period | 2012-05-02~2012-05-31 |
|---|---|
| Diagnosis | Cholesterol granuloma |
| Clinical information | F / 58 진단은? |
| Discussion | Cholesterol granuloma Recurrent hemorrhage causes inflammatory mass of granulation tissue. (Middle ear cavity > petrous apex) Otoscopy : Blue mass behind intact TM CT : smoothy expansile mass MR : High T1 & T2, no diffusion restriction on DWI. T1 HSI from paramagnetic eff. Of methemoglobin. T2 central HSI (granulation) and peripheral LSI from hemosiderin deposit Slowly progressive conductive hearing loss |
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