نتایج جستجو برای: single photon emission computed tomography
تعداد نتایج: 1269056 فیلتر نتایج به سال:
Gliomas account for almost 80% of primary malignant brain tumors in adults. Magnetic Resonance imaging (MRI) is still the gold standard for diagnosis of brain tumors and brain 99mTc-tetrofosmin Single Photon Emission Computed Tomography (99mTc-tetrofosmin-SPECT) has been established as a useful tool for their evaluation. Fluorine-18–2-fluoro-2-deoxy-d-glucose positron emi...
AIM To present a rare case of lingual thyroid detected using a hybrid of single photon emission computed tomography and standard computed tomography in a young woman with hypothyroidism. MATERIALS AND METHODS A 29-year-old woman was screened for autoimmune thyroid disorders in early pregnancy, and found to have subclinical hypothyroidism. No thyroid tissue was found in the anterior neck upon ...
ing their permission to publish these cases. The histopathological examinations were performed at the National CJD Surveillance Unit by Dr James Ironside. Contributors: RdeS, JP, and DH raised the possibility of using single photon emission computed tomography as a diagnostic “pointer” in new variant Creutzfeldt-Jakob disease, and RdeS wrote the paper. AR, MT, and MZ discussed the core concept ...
Detection of scattered gamma quanta degrades image contrast and quantitative accuracy of single-photon emission computed tomography (SPECT) imaging. This paper reviews methods to characterize and model scatter in SPECT and correct for its image degrading effects, both for clinical and small animal SPECT. Traditionally scatter correction methods were limited in accuracy, noise properties and/or ...
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