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Case No. 489
2018-08-01~2018-08-31
출제자 : 강경미
Hit : 255
| Period | 2018-08-01~2018-08-31 |
|---|---|
| Diagnosis | Orbital cholesterol granuloma |
| Clinical information | M/46 Proptosis, left eye (1WA) 진단은? |
| Discussion | Osteolytic lesion with granulomatous reaction surrounding cholesterol crystals Epidemiology - Male predominance, Young or middle age Pathogenesis: not well known for orbital lesion - Hemorrhage: probable source of cholesterol - Remote Trauma or diploic anomaly. Radiologic Findings> CT - Non-calcified extraconal mass, superotemporal aspect. expansile, lytic bone defect with ragged bone destruction - homogeneous attenuation with a density equal brain and muscle - No enhancement MRI - signal of high intensity on both T1- and T2-WI - interspersion of either septations or foci of low signal |
| Correct answer |
Correct AnswerSemi-Correct Answer |