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Fig. 2 | International Journal of Emergency Medicine

Fig. 2

From: What’s in a name? Lower extremity fracture eponyms (Part 2)

Fig. 2

Segond fracture. a AP knee radiograph with large Segond fracture (arrow). b Lateral knee radiograph in the same patient shows a lipohemarthrosis, which confirms fracture-induced exposure of the fatty marrow cavity to the articular space. c Coronal proton density (PD) fat saturated images showing the Segond fracture (arrow). The bright signal in this image is all edema, since the fat signal is suppressed. The patient had an ACL tear (not shown). Note the presence of the medial meniscus (arrowhead) and the absence of the lateral meniscus on the same image, confirming a complete lateral meniscus tear with displacement. d Another patient AP knee radiograph. Thin, small Segond fracture (arrow). This patient did have an ACL tear; this shows how subtle these fractures can be but still be associated with substantial injury

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