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Figure 1: (a and b) Crescent approach exposure. (c and d) Intraoperative picture showing a crescent approach on the left side and the resection site of the vermian lesion. OS, Occipital sinus; SS, Sigmoid sinus; MS, Marginal sinus; TS, Transverse sinus; CDI, Crescent Dural incision; DF, Dural flap

Figure 1: (a and b) Crescent approach exposure. (c and d) Intraoperative picture showing a crescent approach on the left side and the resection site of the vermian lesion. OS, Occipital sinus; SS, Sigmoid sinus; MS, Marginal sinus; TS, Transverse sinus; CDI, Crescent Dural incision; DF, Dural flap