A Case Of Infarcted Localized Tenosynovial Giant Cell Tumor Of The Knee: Multimodality Imaging Features And Literature Review
IRANIAN JOURNAL OF RADIOLOGY(2019)
摘要
Localized tenosynovial giant cell tumor (L-TGCT), formerly called giant cell tumor of the tendon sheath, is one of the benign proliferative diseases of the synovium of a joint, bursa, or tendon sheath. L-TGCT occasionally involves a large joint such as the knee, and rarely it is combined with infarction by pedicle torsion. Neither the prevalence of torsion of L-TGCT nor the mechanism involved are known, but it is thought to be uncommon progress. Herein, we describe a rare case of infarcted L-TGCT in the knee involving torsion of a mass pedicle in a 47-year-old man. We utilized magnetic resonance imaging including diffusion-weighted imaging and axial apparent diffusion mapping, and sonographic appearance during the course of investigations, because radiologic findings showed characteristic features of infarcted L-TGCT.
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关键词
Infarction, Knee Joint, Magnetic Resonance Imaging, Tenosynovial Giant Cell Tumor, Ultrasound
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