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. 2023 Oct 2;14:164. doi: 10.1186/s13244-023-01495-6

Fig. 31.

Fig. 31

Radiographic of osteonecrosis of systemic origin. a Radiograph shows areas of heterogeneous bone sclerosis, in this case particularly prominent in the condyles. b CT arthrography shows areas of irregular bone densification corresponding to osteonecrotic lesions (asterisks) surrounded by sclerotic rims. Note collapsed segments in the weight-bearing areas of inferior condylar poles (arrows) associated with fractures within necrotic areas (arrowheads)