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Case No. 419
2016-09-01~2016-09-30
출제자 : 정우상
Hit : 405
| Period | 2016-09-01~2016-09-30 |
|---|---|
| Diagnosis | Tumefactive demyelination |
| Clinical information | M/59 C.C> visual disturbance / Both leg weakness x 2 months Figure2 (아래부터 3개 그림)는 1달 후 F/U image. 진단은? |
| Discussion | Finding: Multiple T2 iso/high SI lesions in Rt. Parietal lobe and corpus callosum → extend to brainstem Diffusion restriction Minimal patchy enhancement Rapid progression and malacic change <해설> -Mass effect and edema to be proportionally minor relative to plaque size -More commonly affect subcortical than PVWM -Enhancement pattern Ring / open-ring enhancement Heterogenous enhancement pattern, including punctate and nodular -Multifocality -Spread across the corpus callosum in a ‘butterfly’ configuration (7%) |
| Correct answer |
Correct AnswerSemi-Correct Answer |