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頁籤選單縮合
題 名 | Intra-Articular Giant Cell Tumor of Tendon Sheath of the Knee=膝關節內腱鞘巨細胞瘤 |
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作 者 | 黃智旺; 阮春榮; 黃國書; 薛俊仁; 林志恭; 陳震宇; | 書刊名 | Journal of Medical Sciences |
卷 期 | 22:5 2002.10[民91.10] |
頁 次 | 頁245-248 |
分類號 | 416.61 |
關鍵詞 | 膝關節; 內腱鞘巨細胞瘤; Giant cell tumor of tendon sheath; Knee; Magnetic resonance imaging; |
語 文 | 英文(English) |
英文摘要 | The giant cell tumor of the tendon sheath (GCT-TS) is a benign growth, which rarely occurs intra-articularly. In this report, we describe a case of intra-articular GCT-TS in the right knee joint. Clinically, the patient presented to our orthopedic clinic with anterior knee pain, accompanied by a palpable mass in the peri-patellar region. Contrast-enhanced computed tomography showed an enhanced soft-tissue nodule located in the lateral recess of the patellofemoral joint. From MR study, the mass appeared intermediate to slightly high in signal intensity on T1-weighted imges, and slightly high on T2-weighted images. Some dark dots were seen in this lesion on T2-weighted images, corresponding to areas of hemosiderin deposition as proved by histological findings. The final diagnosis of GCT-TS was made from evidence of typical histological findings revealing giant cells and hemosiderin-laden foam cells within a matrix of ovoid to polygonal cells. In this case report we stress that intra-articular GCT-TS should be included in the differential diagnosis whenever a solitary intra-articular nodule, which is enhanced on CT study and characterized by dark-dot inside the nodule on MR images, is encountered in patients presenting with anterior knee pain and a palpable mass. |
本系統中英文摘要資訊取自各篇刊載內容。