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Weekly Case
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Case No. 426
2016-11-01~2016-11-30
출제자 : 유인선
Hit : 379
| Period | 2016-11-01~2016-11-30 |
|---|---|
| Diagnosis | Nasopharygeal chordoma |
| Clinical information | F/51 C.C> 1년전부터 시작된 nasal obstruction, rhinorrhea, epistaxis |
| Discussion | Extraosseous chordoma of the nasopharynx Extraosseous chordomas appear to arise from extraosseous notochordal remnant. If these chordomas arise inferiorly, they may extend into canalis basalis medianus (medial basal canal=inferior median clival canal) Imaging findings CT: Lobular hypoattenuated soft tissue mass with areas of dystrophic calcification and lytic changes of affected osseous structures MR: T2-predominantly hyperintense compared with muscle, moderate to marked heterogeneous enhancement at expected course of notochordal remnant |
| Correct answer |
Correct Answer
Semi-Correct Answer |