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  Indian J Med Microbiol
 

Figure 6: Schema of left transcondylar fossa approach (modified from Matsushima et al.[4]). (a) Sigmoid–magnum triangle. (b) After drilling of sigmoid–magnum triangle, hypoglossal canal was exposed. C1 – Posterior arch of C1, JT – Jugular tubercle, OC – Occipital condyle, PCEV – Posterior condylar emissary vein, SS – Sigmoid sinus

Figure 6: Schema of left transcondylar fossa approach (modified from Matsushima <i>et al</i>.<sup>[4]</sup>). (a) Sigmoid–magnum triangle. (b) After drilling of sigmoid–magnum triangle, hypoglossal canal was exposed. C1 – Posterior arch of C1, JT – Jugular tubercle, OC – Occipital condyle, PCEV – Posterior condylar emissary vein, SS – Sigmoid sinus