| Title : case 332 |
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Age / Sex : 29 / M Chief complaint: A palable lump in the sole of the foot
1) What is your impression?
Courtesy: 이재혁(Yi Jae Hyuck), 경북대병원(Kyungpook National University Hospital) Diagnosis: Clear cell sarcoma of the foot Discussion
Discussion: l Melanoma of soft part, but melanin is microscopic l Intimately associated with tendon, ligament, aponeurosis l Young adult (20~40 yrs) l 25% lower extremity: foot & ankle > knee & thigh l Melanin effect on T1WI are not prominent l Pathologically nest or fascicle formation of cells with clear abundant cytoplasm l Poor prognosis: mortality rate 37~59% l Regional lymph node involvement: up to 50% l Unfavorable prognostic factor: >5cm, necrosis, local recurrence References: 1. Imaging of Soft Tissue Tumors. 2nd ed. Kransdorf et al. p1 2. Beuckeleer et al. MR imaging of clear cell sarcoma (malignant melanoma of the soft parts): a multicenter correlative MRI-pathology study of 21 cases and literature review. Skeletal Radiology 2000;29:187-195 |
| Correct Answer | |
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| Name | Institution |
| 이름:소속병원 | |
| Total answers: 15 | |
| Semi-correct answers: 3 | |
| 조신영: 웰튼병원 | |
| 문태용: 양산부산대병원 | |
| 박희진: 강북삼성병원 | |
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