Thallium 201
Relationship between regional myocardial blood flow and thallium 201 distribution in the presence of coronary artery stenosis and dipyridamole induced vasodilation
... and thallium-201 and a second microsphere label were ...and thallium-201 activity and regional myocardial blood flow were ...between thallium-201 localization and myocardial ...
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Thallium 201 brain SPECT of lymphoma in AIDS patients: pitfalls and technique optimization
... tion (XRT), with a more than fourfold increase in survival rates over those who do not receive appro- priate therapy. Furthermore, the benefit of XRT is diminished if it is delayed, which is often the case when patients ...
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Lesion Size Determines Accuracy of Thallium 201 Brain Single Photon Emission Tomography in Differentiating between Intracranial Malignancy and Infection in AIDS Patients
... We retrospectively identified 43 consecutive AIDS patients who, during 4 years, underwent thallium-201 brain SPECT after contrast-enhanced CT or MR brain imaging demon- strated one or more enhancing mass ...
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Thallium 201 Single Photon Emission CT versus CT for the Detection of Recurrent Squamous Cell Carcinoma of the Head and Neck
... All patients underwent contrast-enhanced CT and thallium- 201 SPECT imaging. The interval between the two studies did not exceed 2 weeks. CT studies included contiguous sections (3-mm thickness, 16-cm field ...
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Preoperative grading of glioma malignancy with thallium 201 single photon emission CT: comparison with conventional CT
... because thallium is taken up by ma- lignant glioma cells (3, ...the thallium index in high- grade gliomas versus that in low-grade gliomas (5, 6) (the thallium index is defined as tumor uptake ...
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Pathophysiology of technetium 99m stannous pyrophosphate and thallium 201 scintigraphy of acute anterior myocardial infarcts in dogs
... and thallium-201 (201T1), tissue levels of 99mTc-PYP and 201T1 uptake, histopathologic alterations, and regional myocardial perfusion measured with radioactive ...
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Thallium-201: An Agent for Myocardial Perfusion and Viability Imaging
... diminished thallium-201 uptake ifinjected within minute after the coronary vasodilatation by ...of thallium stress and dipyridamole ...with thallium stress test (63%) than with dipyridamole ...
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Myocardial kinetics of thallium 201 after dipyridamole infusion in normal canine myocardium and in myocardium distal to a stenosis
... blood thallium-201 (Tl-201) kinetics after infusion of dipyridamole in normal canine myocardium and in myocardium distal to a coronary artery ...
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Use of thallium 201 brain SPECT to differentiate cerebral lymphoma from toxoplasma encephalitis in AIDS patients
... 8 , Coronal , sagittal , and axial Tl-201 brain SPECT images show abnormal in creased uptake in the pericallosal region , left medial temporal lobe, and right fronto parietal lobe region[r] ...
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Preoperative assessment of meningioma aggressiveness by Thallium-201 brain SPECT
... Conclusion: According to our data Tl-201 Brain SPECT with early and late imaging has 80% sensitivity and specificity to differentiate malignant from benign meningioma... They are typi[r] ...
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Comparison of thallium 201 and F 18 FDG SPECT uptake in squamous cell carcinoma of the head and neck
... Preliminary studies of imaging of squamous cell carcinoma of the head and neck have been performed with both Tl-201 planar and SPECT and F-18 FDG single-photon planar images and positron[r] ...
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Detection of recurrent thyroid cancer: MR versus thallium 201 scintigraphy
... We performed both MR imaging and 20 1Tl scintigraphy in patients who had previously undergone thyroidectomy and modified radical neck dissection for DTC, and we evaluated the capabilitie[r] ...
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Thallium 201 Myocardial Imaging
... of myocardium but may be significantly delayed to zones of diminished coronary blood flow and may be absent in regions of abnormal function which are unable to concentrate [r] ...
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Differentiation of Toxoplasmosis and Lymphoma in AIDS Patients by Using Apparent Diffusion Coefficients
... Thallium-201 retention in focal intracranial lesions for differential diagnosis of primary lymphoma and nonmalignant lesions in AIDS patients.. Skiest DJ, Erdman W, Chang WE, Oz OK, Ware[r] ...
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Patterns of late gadolinium enhancement in Duchenne muscular dystrophy carriers
... 14. Soltanzadeh P, Friez MJ, Dunn D, von Niederhausern A, Gurvich OL, Swoboda KJ, Sampson JB, Pestronk A, Connolly AM, Florence JM, Finkel RS, Bönnemann CG, Medne L, Mendell JR, Mathews KD, Wong BL, Sussman MD, Zonana J, ...
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Muscle perfusion scan for prediction of anticipated diabetic foot ulceration
... Usefulness of thallium-201 muscle perfusion scan to investigate perfusion reserve in the lower limbs of Type 2 diabetic patients. Investigation of perfusion reserve us[r] ...
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Original Article The sensitivity and specificity of single photon emission computed tomography (SPECT) in the diagnosis of coronary artery disease (CAD): a meta-analysis
... Abstract: Background: Coronary artery disease (CAD) is a serious threat to health with effective diagnostic methods significantly reducing its risk. While single photon emission computed tomography (SPECT), is an ...
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Towards an understanding of thallium isotope fractionation during adsorption to manganese oxides
... Oxidative scavenging of thallium by birnessite: Controls on thallium sorption and stable isotope fractionation in marine ferromanganese precipitates.. Assessing the utility of thallium a[r] ...
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CALCULATION OF THALLIUM HYPERFINE ANOMALY
... hydrogen-like thallium ion and obtained fairly good agreement with analytical ...neutral thallium and tested an assumption that the ratio between the anomalies for s and p 1/2 states is the same for these ...
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Thallium tetrakis(pentafluorophenyl)borate
... The synthesis of the title compound was performed according to the procedure described in the literature by Alberti & Po¨rschke (2004). Single crystals for this study were grown by slow diffusion of n- hexane into a ...
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