Trade encourages specialisation, which brings prosperity; global capital markets, for all their problems, allocate money more efficiently than local ones; economic co-operation encourages confidence and enhances security. Yet despite its obvious benefits, the globalised economy is under threat.
RA (the most common disease cause) and Paget disease of the cervical spine can cause atlantoaxial dislocation or subluxation, basilar invagination, or platybasia. Metastatic tumors that affect bone can cause atlantoaxial dislocation or subluxation.
The visual deficits associated with pitu-. itary adenoma depend on the size, location, and hormonal activity of the tumor as well as. the position of the chiasm as it relates to the. sella turcica [4]. According to a recent study, the tumor volume also affects the severity of. the VF defect [5, 6]. Although a previous study of 50 patients. showed a significant correlation between chi -. asmal compression and visual disturbances. [7], to our knowledge, no MRI-based lit-. erature shows the relationship between the.