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Insights into Imaging
Fig. 24 | Insights into Imaging

Fig. 24

From: Subchondral insufficiency fractures, subchondral insufficiency fractures with osteonecrosis, and other apparently spontaneous subchondral bone lesions of the knee—pathogenesis and diagnosis at imaging

Fig. 24

Typical pattern of complex regional pain syndrome type I (CRPS1). a Radiograph shows intense bone loss in the lower pole of a condyle (asterisk). b–e T1-weighted (b) and fat-suppressed T2-weighted (c–e) MR images show a BME-like pattern similar to that of a SIF (asterisks in b and c). Note the particularly intense edema-like signal intensity also in the soft tissues (arrows in c and asterisk in e), as well as a very fine linear area with intense high signal intensity, immediately adjacent to the subchondral bone plate (arrowheads in c)

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