[Assessment of computed tomographic angiographysinus development combined with occipitalbone marks for the location of transverse sigmoid sinus junction].

To introduce and evaluate a technique to precisely localize the transverse-sigmoid sinus junction (TSSJ) in retrosigmoid craniotomy. This was a single-center prospective randomized controlled study. Sixty-three patients, 29 male and 34 female, who would undergo retrosigmoid craniotomy admitted to Department of Neurosurgery, the First Affiliated Hospital of Xinjiang Medical Universityfrom March to October 2019 were enrolled in the study and were divided into trial group and control group according to the computer-generated random numbers.