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Insights into Imaging
Fig. 3 | Insights into Imaging

Fig. 3

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. 3

Histological pattern of a SIF. Bone marrow necrosis (“necrosis”) is located in the area between the fracture plane partially repaired (“hyperostosis”) and the subchondral bone (“subchondral bone”), detached in this case. Cellular marrow with edema ("edema") is located more proximally to the fracture plane

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