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Abstract #2673

Assessment of infection after joint replacement by MAVRIC-SL MR imaging

Tsutomu Inaoka1, Masayuki Sugeta1, Masahiro Sogawa1, Hisanori Tomobe1, Ryosuke Sakai1, Akinori Yamamoto1, Takamistu Uchi1, Sayuri Kato1, Rumiko Ishikawa1, Tomoya Nakatsuka1, Noriko Kitamura1, Shusuke Kasuya1, and Hitoshi Terada1
1Radiology, Toho University Sakura Medical Center, Sakura, Japan

MAVRIC-SL sequence can improve the quality of images by decreasing metal artifacts and assess infection around prosthetic implants after joint replacement. Presence of intraarticular fluid is important for the diagnosis of infection after joint replacement. The risk of additional surgical intervention due to infection after joint replacement would be higher when there are more than three of the four findings including intraarticular fluid, soft-tissue edema, soft-tissue fluid, and abnormal signal intensity around prosthesis or both intraarticular fluid and abnormal signal intensity around prosthesis. MAVRIC-SL MR imaging must be a powerful tool for the assessment of infection around prosthetic joint implants.

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