emission computed tomography studies
The pattern of brain perfusion SPECT in non-medicated schizophrenic patients
... Recent studies of cerebral perfusion or metabolism with single photon emission computed tomography (SPECT) or positron emission tomography (PET) in schizophrenic patients have reveale[r] ...
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The value of 99mTc-methylene diphosphonate single photon emission computed tomography/computed tomography in diagnosis of fibrous dysplasia
... malignant transformation of FD is rare, which occurs less than 1% of cases [19, 20]. In present study, the clinicians performed biopsy or surgery for 13 of the patients. All pathological results were reported as fi- ...
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Contrast-enhanced [18 F] fluorodeoxyglucose-positron emission tomography/computed tomography in clinical oncology: tumor-, site-, and question-based comparison with standard positron emission tomography/computed tomography
... published studies are mainly focused on a tumor-based approach [5-10] in the absence of a more ‘translational’ evaluation of the feasibility of such a powerful, but practically complex, imaging ...
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MRI-Based Attenuation Correction in Emission Computed Tomography
... sions will prove false. For instance, I only tested one MRI-based AC algorithm, which in turn approximates the true µ-map in a particular way. As we have seen, there are innumerable other algorithms to choose from. Some, ...
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F 18 fluorodeoxyglucose positron emission tomography computed tomography for the diagnosis of Takayasu's arteritis in stroke: a case report
... Laboratory studies revealed increases in ESR (46 mm/hour), CRP (47 mg/l), C3-com- plement levels (194 mg/dl) and hypergammaglobuline- mia ...positron emission tomogra- phy (PET)-computed ...
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Fludeoxyglucose positron emission tomography computed tomography scan showing polyarthritis in a patient with an atypical presentation of Henoch Schönlein vasculitis without clinical signs of arthritis: a case report
... [18]. Studies on the role of FDG-PET/CT in small vessel vasculitis, like Henoch-Schönlein vasculitis, are lacking ...More studies are needed to evaluate the clinical use of FDG-PET/CT in Henoch-Schönlein ...
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Imaging in breast cancer: Single photon computed tomography and positron emission tomography
... imaging studies in this setting is to confirm the recurrence and to assess whether the disease is localized or systemic ...retrospective studies published in recent years suggest that 18 ...
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Positron emission tomography-computed tomography guided radiotheraphy planning in lung cancer
... Most of the PET-CT guided planning studies include small number of patients. In addition, most of them are dosimetric studies as our study. Histological or clinical outcome assesment study number is a very ...
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68Ga-PSMA ligand PET/CT in patients with prostate cancer: How we review and report
... positron emission tomography (PET) imaging using PSMA-ligands has gained high attention as a promising new radiotracer in patients with prostate cancer ...Several studies promise accurate staging of ...
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Prediction of pathologic prognostic factors in patients with lung adenocarcinomas: comparison of thin-section computed tomography and positron emission tomography/computed tomography
... Measurement of consolidation/tumor ratio (C/T ratio) Two radiologists independently evaluated the TSCT im- ages using lung-window settings (window level, −600 Hounsfield units; window width, 1,800 Hounsfield units). The ...
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A solid pseudopapillary neoplasm without cysts that occurred in a patient diagnosed by endoscopic ultrasound guided fine needle aspiration: a case report
... A 24-year-old Japanese man was referred to our hospital after a medical check-up revealed mild transaminase elevations. He had no symptoms. He was found to have mild fatty liver and a pancreatic mass by con- ...
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131I-Labeled Copper Sulfide-Loaded Microspheres to Treat Hepatic Tumors via Hepatic Artery Embolization
... X-ray photoelectron spectroscopy (XPS) (PHI 5500, Perkin-Elmer, USA) was used to measure the surface elemental composition of the microsphere powders. The morphology of the cross-section of microspheres was observed by ...
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The use of emission-transmission computed tomography for improved quantification in SPECT
... The transmission study produced narrow beam attenuation coefficients for 9 'Tc which were used together with the ML-EM algorithm to perform non-uniform attenuation compensation of an em[r] ...
194
Original Article Role of 18 F-fluorodeoxyglucose positron emission tomography/computed tomography in patients with nasal-type natural killer T-cell lymphoma
... Abstract: We assessed the potential of 18F-fluorodeoxyglucose 18F-FDG positron emission tomography/computed tomography PET/CT imaging in the diagnosis and staging of patients with nasal-[r] ...
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Multimodality imaging with CT, MR and FDG-PET for radiotherapy target volume delineation in oropharyngeal squamous cell carcinoma
... positron emission tomography- computed tomography (FDG PET-CT) is a widely used functional imaging technique in oncology; tumour cells exhibit differential glucose uptake (the ‘Warburg ...
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Study of inter- and intra-observer reproducibility in the interpretation of [18F]choline PET/CT examinations in patients suffering from biochemically recurrent prostate cancer following curative treatment
... In the pelvis, evaluation of intraprostatic recurrence is difficult, which was the case in our study (Figure 1). For initial diagnosis, a study showed that [ 18 F]choline PET/CT has a high sensitivity in detecting ...
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Lhermitte Duclos disease presenting with positron emission tomography magnetic resonance fusion imaging: a case report
... positron emission tomography-computed tomography with fluorine-18-fluorodeoxyglucose for evaluation of a solitary lung ...positron emission tomography-computed ...
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PSMA PET for primary lymph node staging of intermediate and high-risk prostate cancer: an expedited systematic review
... According to the PICOS concept (patient, intervention, comparator, outcome, study type), the following eligibil- ity criteria were used: 1) The trial must comprise pa- tients diagnosed with prostate cancer; 2) the ...
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Quantitative capabilities of four state-of-the-art SPECT-CT cameras
... The approaches used for scatter corrections are also different. General Electric and Siemens use spectral- based corrections. In the General Electric cameras, a broad low energy window as suggested by Jaszczak [3] is ...
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Positron Emission Tomography Computed Tomography (PET CT) in Head and Neck Pathology
... Positron Emission Tomography- Com- puted tomography (PET-CT) is a highly sensitive and specific tool that can aid the clinician in establishing di- agnosis, staging, assessing prognosis and ...
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