background: greater occipital never block has been shown to be an effective treatment in patients with cluster or tension type headache but there are very few studies investigating its effect in patients with chronic migraine. this study was to determine the effectiveness of greater occipital never block on headache in patients with chronic migraine. we designed an interventional before-after s...

BACKGROUND CONTEXT Anterior transarticular screw (ATAS) fixation has been suggested as a viable alternative to posterior stabilization. However, we are not aware of previous reports attempting to establish the usefulness of specific fluoroscopic landmark-guided trajectories in the use of ATAS, and we could find no reference to it in a computerized search using MEDLINE. PURPOSE To determine th...

thinking (10) 9 10 10 Verbal fluency (animal) 7 13 13 results of the three assessments are summarized in Table 1. The first neuropsychological assessment revealed that the patient was disoriented as to month, date, and place and was severely impaired in recent memory and verbal fluency. Her remote memory and immediate recall were normal, and her neurological examination was otherwise normal. 99...

A 54-year-old woman presented with left proptosis, chemosis, ophthalmoplegia, and tinnitus in March 1989. Angiography demonstrated a left cavernous DA VF. The feeding arteries from the left external carotid artery were embolized. Her symptoms were relieved for a while but soon recurred . On May 2, she was referred to us for treatment. Angiography revealed that all the branches of the left exter...

We herein report the case of a 75-year-old woman with a paradoxical cerebral air embolism (CAE). She developed a bilateral visual disturbance at the time of needle puncture during a computed tomography (CT)-guided percutaneous needle lung biopsy in the face down position. The air density within the descending aorta on chest CT suggested the presence of a cerebral air embolism. Brain MRI demonst...