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学科主题: 临床医学
题名:
Analysis of Different Kinds of Cyclops Lesions With or Without Extension Loss
作者: Wang, Jian; Ao, Yingfang
关键词: Cyclops syndrome ; Anterior cruciate ligament reconstruction ; Complication
刊名: ARTHROSCOPY-THE JOURNAL OF ARTHROSCOPIC AND RELATED SURGERY
发表日期: 2009-06-01
DOI: 10.1016/j.arthro.2008.12.006
卷: 25, 期:6, 页:626-631
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Orthopedics ; Surgery
研究领域[WOS]: Orthopedics ; Surgery
关键词[WOS]: ANTERIOR CRUCIATE LIGAMENT ; KNEE EXTENSION ; RECONSTRUCTION
英文摘要:

Purpose: The purpose of this study was to retrospectively evaluate patients after anterior cruciate ligament (ACL) reconstruction in whom a cyclops lesion developed to seek the etiologic factors. Methods: From 1999 to 2005, we observed 48 cases of cyclops lesions in 311 cases arthroscopically while removing the internal fixation devices after ACL reconstruction. Before removing the hardware, the function of the knee was evaluated through symptoms, signs, radiography, and KT-2000 measurement (MEDmetric, San Diego, CA) in 311 cases. Histologic examination was performed on some of the resected lesions. Results: Of the 3 11 patients, 45 were found to have nodular formations in the anterior part of the knee; this caused extension loss in 6 patients. Extension loss occurred at 2 to 3 months after ACL reconstruction. Histologic results were available in 18 patients (6 complained of a loss of extension and 12 were asymptomatic). Microscopic examination of the resected fibrous nodules showed disorganized fibrous connective tissue. We found that 8 nodules (4 with extension loss and 4 without extension loss) contained chondroid tissues, but we did not find osseous tissue in the nodules. The histologic appearance was similar to hypertrophic, degenerative granulation tissue. Conclusions: Among 311 second-look arthroscopies after ACL reconstruction, 45 cyclops lesions were found with a typical histology indicating an inflammatory proliferation with disorganized fibrous tissue, with some having chondroid tissue. Clinically, 10 patients had not returned to sporting activities: 6 of 6 who had extension loss and 4 of 39 who had full range of motion. All 6 patients with extension loss had full motion after resection of the cyclops lesion.

语种: 英语
WOS记录号: WOS:000266842200010
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/54634
Appears in Collections:北京大学第三临床医学院_运动医学研究所_期刊论文

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作者单位: Peking Univ, Inst Sports Med, Hosp 3, Beijing 100083, Peoples R China

Recommended Citation:
Wang, Jian,Ao, Yingfang. Analysis of Different Kinds of Cyclops Lesions With or Without Extension Loss[J]. ARTHROSCOPY-THE JOURNAL OF ARTHROSCOPIC AND RELATED SURGERY,2009,25(6):626-631.
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