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骨内腱鞘囊肿是位于关节软骨下的良性囊性改变.1949年Fisk氏最先报道.以后在国外文献中也偶见有报导.国内王文彬报告4例.病因不明.可能是骨膜的腱鞘囊肿对骨皮质的压迫.然后,侵入到骨组织,或者是一种错构瘤.亦有报道因外伤(Crane)、局部坏死(Bugnion)、骨髓内结缔组织增生(Wood)、以及结缔组织的弹力纤维粘液样变(Fisk)等所致者.它好发生在关节、髋关节、内踝和腕骨.
Intraosseous ganglion cyst is a benign cystic change located under the articular cartilage. It was first reported by Fisk in 1949. It was reported occasionally in foreign literature. Domestic Wang Wenbin reported 4 cases. The cause is unknown. It may be the periosteal ganglion cyst. The compression of the cortical bone. Then, it invades the bone tissue, or is a hamartoma. It has also been reported due to trauma, local bone necrosis (Bugnion), intramural connective tissue hyperplasia (Wood), and elastic fibers of connective tissue. It is caused by fibrosis, etc. It occurs in the joints, hip joints, medial malleolus and carpal bones.