By Elke Hattingen, Ulrich Pilatus
This publication describes the fundamentals, the demanding situations and the constraints of cutting-edge mind tumor imaging and examines intimately its influence on prognosis and therapy tracking. It opens with an creation to the clinically proper actual ideas of mind imaging. because MR method performs a very important function in mind imaging, the basic points of MR spectroscopy, MR perfusion and diffusion-weighted MR tools are defined, concentrating on the explicit calls for of mind tumor imaging. the aptitude and the bounds of recent imaging method are conscientiously addressed and in comparison to traditional MR imaging. mostly a part of the ebook, an important imaging standards for the differential analysis of good and necrotic mind tumors are delineated and illustrated in examples. A ultimate part is dedicated to using MR tools for the tracking of mind tumor treatment. The booklet is meant for radiologists, neurologists, neurosurgeons, oncologists and different scientists within the biomedical box with an curiosity in neuro-oncology.
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Extra resources for Brain Tumor Imaging
Therefore, size measurement of these brain tumors is of limited value. a. defined by microvascular proliferation and necrosis which give them the appearance of a highly malignant GBM (Fig. 32). WHO grade II oligodendrogliomas may already appear malignant due to their inhomogeneous tumor areas with cysts, calcifications, and hemorrhage (Fig. 33). 2. Glioneuronal tumors The hallmarks of these tumors are the younger patient age (children and young adults) and the high association with epilepsy with complex partial seizures.
AJNR Am J Neuroradiol 29(1):9–17 53 Tsuda M, Takahashi S, Higano S, Kurihara N, Ikeda H, Sakamoto K (1997) CT and MR imaging of craniopharyngioma. Eur Radiol 7(4):464–469 Vos MJ, Uitdehaag BM, Barkhof F, Heimans JJ, Baayen HC, Boogerd W, Castelijns JA, Elkhuizen PH, Postma TJ (2003) Interobserver variability in the radiological assessment of response to chemotherapy in glioma. Neurology 60(5):826–830 Warmuth-Metz M, Gnekow AK, Muller H, Solymosi L (2004a) Differential diagnosis of suprasellar tumors in children.
V. application of contrast agent visualizes architecture of tumor vessels. Increasing numbers of small vessels and intratumoral susceptibility signals seem to be hallmarks of high-grade gliomas (Pinker et al. 2007) and help to distinguish them from lymphomas. Computer Tomography CCT may be indicated to detect calcification which narrows the differential diagnosis. 70–90 % of oligodendrogliomas 34 E. Hattingen and M. Warmuth-Metz Fig. 29 Two similar tumors with enhancing nodules abutting the brain surface and large cysts: The tumor of the older patient shows some edema, whereas the tumor of the young patient lacks any edema.
Brain Tumor Imaging by Elke Hattingen, Ulrich Pilatus