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Case No. 657
2023-06-01~2023-06-30
출제자 : 이경식
Hit : 401
| Period | 2023-06-01~2023-06-30 |
|---|---|
| Diagnosis | (extraosseous nasopharyngeal) chordoma |
| Gender |
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| Age | 49 |
| Clinical information | 문제 1. Nasopharyngeal mass를 주소로 내원한 49세 남자환자의 CT와 MRI 영상입니다. 가능한 진단은? |
| Discussion | Etiology: Chordomas can occur at any age but are usually seen in adults (30-70 years) Location: Chordomas are found along the axial skeleton and a relatively evenly distributed among three locations: sacrococcygeal: 30-50%, spheno-occipital: 30-35%, vertebral body: 15-30% Imaging feature: - Extraosseous nasopharyngeal chordoma: rare but important lesion of nasopharyngeal masses - midline nasopharyngeal mass associated clival sinus tract and scalloping of the adjacent anterior margin of the clivus most important imaging finding. |
| Correct answer |
Correct Answer
Semi-Correct Answer |