By Prof. Dr. med. Gianni B. Bradač, Prof. Dr. med. Udalrich Büll, Prof. Dr. med. Rudolf Fahlbusch, Prof. Dr. med. Thomas Grumme, Prof. Dr. med. Ekkehard Kazner, Dr. med. Konrad Kretzschmar, Priv. Doz. Dr. med. Wolfgang Lanksch, Dr. med. Wolfang Meese, Priv.
The present publication represents a distillation of the event received in prognosis of intracranial tumors with computed X-ray tomography on the collage Hos pitals of Berlin, Mainz, and Miinchen. To what function? usual radiological thoughts resembling pneumoencephalography with lumbar puncture and cerebral arteriography with puncture of the typical carotid artery are invasive proce dures which entail a specific amount of threat in addition to soreness for the sufferer. in addition, diagnoses made with those systems depend totally on oblique indicators of an intracranial space-occupying lesion - corresponding to displacement of the air-filled ventricles or of standard cerebral vessels. just a couple of sorts of tumor are proven at once with those strategies. by contrast, computed tomography demonstrates the pathology at once in just about all instances, and this with no less than hazard and soreness. additionally, general intracranial buildings are proven, in order that the tumor's impression on its atmosphere may be evaluated. at the present time, virtually a decade after HOUNSFIELD'S innovative invention, diagno sis of mind tumors with out computed tomography is sort of unthinkable, if now not in truth irresponsible.
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Extra info for Computed Tomography in Intracranial Tumors: Differential Diagnosis and Clinical Aspects
Mixed glioma (oligoas- trocytoma) in the right frontal lobe of a 42-year-old female with seizures. The tumor contains areas of varying density. Spotty contrast enhancement suggests anaplasia within the tumor Fig. 51. Mixed glioma (oligoas- trocytoma) in the right cerebral hemisphere with infiltration of the corpus callosum in a 30-year-old man with seizures. The tumor is predominantly hypodense. Central hyperdense spots due to circumscribed calcifications. CT appearance identical to that of oligodendroglioma.
Large solid astrocytomas may demonstrate homogeneous radio nuclide uptake. Transitional forms related to glioblastoma may be observed as well. Cerebral angiography demonstrates signs of a mass lesion, while tumor vascularization is rarely found except in highly malignant astrocytomas with pathological vessels at their centers. A capillary blush sometimes appears. Large cysts result in an avascular space. Computed Tomography (Figs. 12-27) Precontrast Study All astrocytomas with portions demonstrating higher-grade malignancy were included among the anaplastic astrocytomas, even when most of the tumor was composed of slow-growing tissue.
Anaplastic astrocytoma in the left temporal lobe with demonstration of two distinct tumor nodules with different CT patterns. Conspicuously little perifocal edema. (36-year-old man). Precontrast CT on the left, postcontrast CT on the right Fig. 26. Recurrence of a right frontal anaplastic astrocytoma in a 30-year-old patient. The tumor spreads along the walls of the ventricles and in the septum pellucidum. (Precontrast CT above, postcontrast CT below) Autochthonous Brain Tumors - Anaplastic Astrocytomas Fig.
Computed Tomography in Intracranial Tumors: Differential Diagnosis and Clinical Aspects by Prof. Dr. med. Gianni B. Bradač, Prof. Dr. med. Udalrich Büll, Prof. Dr. med. Rudolf Fahlbusch, Prof. Dr. med. Thomas Grumme, Prof. Dr. med. Ekkehard Kazner, Dr. med. Konrad Kretzschmar, Priv. Doz. Dr. med. Wolfgang Lanksch, Dr. med. Wolfang Meese, Priv.