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In this paper, the role of conventional radiotherapy and radiosurgery in the management of pituitary tumors is reviewed. After a short summary of the mechanism of action of irradiation therapy and the types of different irradiation techniques, the therapeutic effects and side effects are analyzed in patients with different types of pituitary tumors, including our own experience with conventional radiotherapy...
BACKGROUNDConsidering that multiple aneurysms carry a high risk for fatal rupture, there is a need for complete treatment of all lesions in one surgical session using either unilateral-contralateral or bilateral approaches. Contralateral approaches have been used mainly for small anteriorly projecting middle cerebral and medially expanding ophthalmic types of aneurysms. They are limited by the narrow...
In 1996, a new γ-ray brain surgical apparatus, the OUR rotating γ-system (RGS), was developed for stereotactic radiosurgery. The device contains 30 cobalt-60 sources distributed in 5 groups along 6 helical lines in a hemispherical primary collimator body, which rotates during treatment together with the built-in secondary collimator body. By rotating the primary and secondary collimator body together,...
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