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Bulletin of the National Research Centre
Fig. 1 | Bulletin of the National Research Centre

Fig. 1

From: The Stieda process of the talus: the anatomical knowledge and clinical significance of an overlooked protrusion

Fig. 1

The superior view of the talus (left side). A The Stieda Process (SP) (circle). It occurs as a result of the elongation of the lateral tubercle of the posterior process of the talus. B Os Trigonum (OT) (circle). OT occurs as a result of the separation of the lateral tubercle of the talus from the posterior process. OT is an accessory bone, unlike the SP. C The Shepherd fracture (SF) (circle) is a fracture resulting from the fracture of the lateral tubercle. D The typical talus with a normal lateral tubercle. E The figure shows the talus with a missing lateral tubercle (agenesis of lateral tubercle). H Head of the talus, LT Lateral tubercle, MT Medial tubercle, N Neck of the talus, OT Os Trigonum, SF Shepherd fracture, SP Stieda process, TT Trochlea of the talus

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