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MR imaging of tuberculous arthritis: Clinical and experimental studies

✍ Scribed by Jin-Suck Suh; Jong Doo Lee; Jae-Hyun Cho; Myung Joon Kim; Dae Yong Han; Nam Hoon Cho

Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
717 KB
Volume
6
Category
Article
ISSN
1053-1807

No coin nor oath required. For personal study only.

✦ Synopsis

Signal-intensity characteristics of magnetic resonance

@ER) images were assessed in five patients and in 10 rabbits with tuberculous arthritis. M R imaging findings were compared with histologic findings in the animal study. In both of clinical and experimental cases, tuberculous lesions showed both intermediate and high signal intensity on T2-weighted images, while they showed heterogeneously intermediate signal intensity on TI-weighted images. As TP-weighted images were compared with pathologic specimens, intermediate signal intensity corresponded to caseous necrosis, whereas high signal intensity related to granulomas or efhsion. Postcontrast TI-weighted images showed enhancement at the peripheries rather than the centers of tuberculous lesions. These results indicate that tuberculous arthritis should be included in the differential diagnosis when intra-articular lesions with low or intermediate signal intensity are found on "2-weighted images. Index terms: Tuberculous arthritis * Tuberculosis, skeletal * Magnetic resonance (MF& arthritis * Magnetic resonance (MR). experimental Magnetic resonance (MR). tissue characterization From the Department of Diagnostic Radiology (J-S.

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