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Case No. 578
2021-01-01~2021-01-31
출제자 : 서종현
Hit : 682
| Period | 2021-01-01~2021-01-31 |
|---|---|
| Diagnosis | Chondrosarcoma |
| Gender |
|
| Age | 55 |
| Clinical information | 55세 여자 환자로, 4개월 전부터 시작된 양측 nasal obstruction으로 내원하였다. 진단은? |
| Discussion | Chondrosarcoma 1. Introduction Slow-growing invasive cartilaginous tumors, and they usually have a high grade of malignancy. Head and neck region: unusual site for a chondrosarcoma - Jaw bones, paranasal sinuses, nasal cavity, and maxilla - Chondrosarcomas arising in the nasal septum are extremely rare 2. Radiologic findings CT - Lobulated, hypoattenuating matrix, typical pattern of calcifications (amorphous, punctate, large) - Associated bone eron or destruction MR - Hypo/isointense on T1, markedly hyperintense on T2, and characteristic rim and septal enhancement - Ring and arc pattern of enhancement: fibrovascular bundles surrounding the cartilaginous nodules |
| Correct answer |
Correct Answer
Semi-Correct Answer |