منابع مشابه
Intracranial germ cell tumors.
Intracranial germ cell tumors are a heterogeneous group of lesions which occur in children and adults. Within the classification of intracranial germ cell tumors, there are a variety of different tumor types which carry different prognoses. The diagnosis of an intracranial germ cell tumor usually requires histological information, but a subgroup of tumors will secrete specific tumor markers, in...
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Within the past two or three years radio-active mercury brain scans have become the most valuable single diagnostic test for the demonstration and localization of intracranial tumors. In the Autumn of 1961 Dr. E. A. Kahn and his associates at the University of Michigan introduced us to this diag nostic procedure. We began using it in May 1962 and in the following 19 months (May 1962 to January...
متن کاملAn immobilization and localization technique for SRT and IMRT of intracranial tumors
A noninvasive localization and immobilization technique that facilitates planning and accurate delivery of both intensity modulated radiotherapy (IMRT) and linac based stereotactic radiotherapy (SRT) of intracranial tumors has been developed and clinically tested. Immobilization of a patient was based on a commercially available Gill-Thomas-Cossman (GTC) relocatable frame. A stereotactic locali...
متن کاملCT of pineal tumors and intracranial germ-cell tumors.
We reviewed 59 cases of pineal tumors and intracranial germ-cell tumors. Most pineal tumors occurred in the first three decades of life, with the exception of pineocytomas, which were seen at a mean age of 34. A male preponderance was noted in the various pineal tumors, except for pineocytomas. The most common tumor of the pineal region was germinoma, which usually showed high density with homo...
متن کاملAutomatic Localization and Quantification of Intracranial Aneurysms
We discuss in this paper the problem of localizing and quantifying intracranial aneurysms. Assuming that the segmentation of medical images is done, and that a 3D representation of the vascular tree is available, we present a new automatic algorithm to extract vessels centerlines. Aneurysms are then automatically detected by studying variations of vessels diameters. Once an aneurysm is detected...
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ژورنال
عنوان ژورنال: BMJ
سال: 1968
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.1.5586.253-d