阿摩線上測驗
78 在 X 光片上，可見洋蔥皮狀（onion-skin appearance）的骨頭病變是：
(A)骨肉瘤（osteosarcoma）
(B)骨纖維性發育不良（fibrous dysplasia of bone）
(C)尤因氏肉瘤（Ewing’s sarcoma）
(D)多發性骨髓瘤（multiple myeloma）
答案：登入後查看
統計： A(94), B(82), C(382), D(70), E(0) #671841
統計： A(94), B(82), C(382), D(70), E(0) #671841
詳解 (共 2 筆)
PPMTPASS
#1073425
Ewing sarcoma is the second most common highly malignant primary bone tumour of childhood after osteosarcoma, typically arising from medullary cavity with invasion of Haversian system. They usually present as moth-eaten destructive permeative lucent lesions in the shaft of long bones with large soft tissue component without osteoid matrix, and typical onion skin periostitis. It may also involve flat bones and appears sclerotic in up to 30% of cases.
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