Successful Panoramic Radiography
... reduction.8, 9 The actual dose values reported by Kiefer are greater than for the other studies but the digital advantage is within range at 17 percent reduction. Variations in study design and machines used for evaluation tend to produce wide ranging data, but overall, the results support the notio ...
... reduction.8, 9 The actual dose values reported by Kiefer are greater than for the other studies but the digital advantage is within range at 17 percent reduction. Variations in study design and machines used for evaluation tend to produce wide ranging data, but overall, the results support the notio ...
Integrated FDG-PET and PET/CT: Clinical Applications
... Inaccurate repositioning of the patient between scans can be avoided by performing simultaneous or sequential transmission/emission scans without moving the patient from the imaging table. Motion of the patient is a problem. Optimal correction for attenuation can be obtained using integrated P ...
... Inaccurate repositioning of the patient between scans can be avoided by performing simultaneous or sequential transmission/emission scans without moving the patient from the imaging table. Motion of the patient is a problem. Optimal correction for attenuation can be obtained using integrated P ...
HP Syllabus For Bachelor of Science In Radiology
... Bachelor of Science in Radiology and Imaging Technology is a three year graduate programme. Medical Radiography and Imaging is the health profession concerned with the direct administration of radiation, primarily x-rays, in disease diagnosis and injury assessment. Medical imaging studies have been ...
... Bachelor of Science in Radiology and Imaging Technology is a three year graduate programme. Medical Radiography and Imaging is the health profession concerned with the direct administration of radiation, primarily x-rays, in disease diagnosis and injury assessment. Medical imaging studies have been ...
Quantitative Contrast - Sridhar Lab @Northeastern University
... follow-up need to be quantitative, objective, specific, sensitive, reproducible, and safe (1–3). Currently, only nuclear medicine provides an effective means of quantifying contrast agents (CAs) in vivo (4). However, the radioisotopes involved in these procedures are hazardous, thus the use of nucle ...
... follow-up need to be quantitative, objective, specific, sensitive, reproducible, and safe (1–3). Currently, only nuclear medicine provides an effective means of quantifying contrast agents (CAs) in vivo (4). However, the radioisotopes involved in these procedures are hazardous, thus the use of nucle ...
Extratesticular epidermoid cyst mimicking enlarged testis
... testis hidden below made the sonographic diagnosis even more challenging. In this circumstance, color Doppler ultrasound may help to differentiate true solid lesions from the solid-appearing ones by the presence of blood flow [6]. But it should be noticed that some ruptured epidermoid cysts also hav ...
... testis hidden below made the sonographic diagnosis even more challenging. In this circumstance, color Doppler ultrasound may help to differentiate true solid lesions from the solid-appearing ones by the presence of blood flow [6]. But it should be noticed that some ruptured epidermoid cysts also hav ...
Document
... constantly, the patient can then be moved continuously through the beam, making the examination ...
... constantly, the patient can then be moved continuously through the beam, making the examination ...
Effective dose range for dental cone beam computed tomography
... Tel.: +32 16 343637; fax: +32 16 347610. Tel.: +44 161 275 6726; fax: +44 161 275. Listing of partners on www.sedentexct.eu. ...
... Tel.: +32 16 343637; fax: +32 16 347610. Tel.: +44 161 275 6726; fax: +44 161 275. Listing of partners on www.sedentexct.eu. ...
Présentation PowerPoint
... TELE NT / NO D Digital flat panel wall stands (add-on) suited for chest, spine pelvis, shoulder examinations and small emergency (NO/D) The low inherent filtration of the carbon fibre cover makes it also ideal for paediatric applications. ...
... TELE NT / NO D Digital flat panel wall stands (add-on) suited for chest, spine pelvis, shoulder examinations and small emergency (NO/D) The low inherent filtration of the carbon fibre cover makes it also ideal for paediatric applications. ...
Ultrasound of the upper abdominal organs
... procedure. Of the diagnostic sectional imaging techniques (US, CT, MRI) ultrasound is the most common and usually the first procedure used, since it is widely available and fairly inexpensive; it is also non-invasive and therefore repeatable. There is no radiation, and very significant diagnostic in ...
... procedure. Of the diagnostic sectional imaging techniques (US, CT, MRI) ultrasound is the most common and usually the first procedure used, since it is widely available and fairly inexpensive; it is also non-invasive and therefore repeatable. There is no radiation, and very significant diagnostic in ...
AAPM/RSNA Physics Tutorial for Residents
... have led to the proliferation of higher magnetic field strengths. Over the past 5 years, ultra-highfield-strength magnets (⬎1.5 T) have taken the market by storm and have quickly moved from a research environment to a clinical environment. The high magnetic field strengths and the highperformance gr ...
... have led to the proliferation of higher magnetic field strengths. Over the past 5 years, ultra-highfield-strength magnets (⬎1.5 T) have taken the market by storm and have quickly moved from a research environment to a clinical environment. The high magnetic field strengths and the highperformance gr ...
How Hollywood Films Portray Illness
... Table 1 shows that the types of cancer portrayed in film do not represent the distribution of cancer types seen in real life. Leukemia and lymphoma account for nine of the twenty films, brain tumors for four, unspecified terminal cancer for three, and one case each of renal, laryngeal, bone, and br ...
... Table 1 shows that the types of cancer portrayed in film do not represent the distribution of cancer types seen in real life. Leukemia and lymphoma account for nine of the twenty films, brain tumors for four, unspecified terminal cancer for three, and one case each of renal, laryngeal, bone, and br ...
Artefacts found in computed radiography
... 9000; Fuji Medical Imaging, Stamford, CT, USA) have been installed at our institution over the past 3 years. Images acquired during this time have been routinely examined for image quality. During this process, a number of artefacts have been identified and traced to specific parts of the CR equipme ...
... 9000; Fuji Medical Imaging, Stamford, CT, USA) have been installed at our institution over the past 3 years. Images acquired during this time have been routinely examined for image quality. During this process, a number of artefacts have been identified and traced to specific parts of the CR equipme ...
SADMFR guidelines for the use of cone-beam computed
... tion must be determined by the dentist, whereas in general a specialty degree and one physicist. All of them were recogradiology and, particularly in CT, this responsibility is transnized colleagues a with long and highly skilled experience in ferred to a specially trained medical-technical radiogr ...
... tion must be determined by the dentist, whereas in general a specialty degree and one physicist. All of them were recogradiology and, particularly in CT, this responsibility is transnized colleagues a with long and highly skilled experience in ferred to a specially trained medical-technical radiogr ...
contrast enhansed spectral mammography
... Contrast-Enhanced Spectral MammographyCESM An overview ...
... Contrast-Enhanced Spectral MammographyCESM An overview ...
The History of X-Rays and Their Use in Diagnostic Medicine
... and radium.[11] Since then there has been significant developments in technology and practice, to ensure that x-ray use is kept as safe as possible. This coupled with the dramatically reduced exposure times means that the danger has been significantly reduced. There will however always be risks asso ...
... and radium.[11] Since then there has been significant developments in technology and practice, to ensure that x-ray use is kept as safe as possible. This coupled with the dramatically reduced exposure times means that the danger has been significantly reduced. There will however always be risks asso ...
2011 SCCT guidelines on radiation dose and dose
... Radiation dose standards and measurements The volume CT dose index (CTDIvol) [expressed in units of mGy] should be used for optimizing cardiovascular CT protocols. The dose-length-product (DLP) [expressed in units of mGy-cm] should be used for comparing radiation doses and characterizing radiation d ...
... Radiation dose standards and measurements The volume CT dose index (CTDIvol) [expressed in units of mGy] should be used for optimizing cardiovascular CT protocols. The dose-length-product (DLP) [expressed in units of mGy-cm] should be used for comparing radiation doses and characterizing radiation d ...
Syllabus
... selected surgical approach to joints and long bones. Musculoskeletal anatomy II of dog and cat. Functional and radiographic anatomy of selected joints (shoulder, elbow, hip, stifle) with the emphasis on some hereditary diseases. Biomechanics of the stifle joint in relation to certain surgical proced ...
... selected surgical approach to joints and long bones. Musculoskeletal anatomy II of dog and cat. Functional and radiographic anatomy of selected joints (shoulder, elbow, hip, stifle) with the emphasis on some hereditary diseases. Biomechanics of the stifle joint in relation to certain surgical proced ...
A potential to reduce pulmonary toxicity: The use of perfusion
... was no significant reduction of fV20, PTV90/fV20 ratio and FMLD using IMRT (Fig. 3a and Table 5). In contrast, 8 patients with locally advanced disease had non-uniform perfusion defects scattered within both lungs resulting in larger amount of FL close to PTV (Fig. 2b). Using IMRT in these patients ...
... was no significant reduction of fV20, PTV90/fV20 ratio and FMLD using IMRT (Fig. 3a and Table 5). In contrast, 8 patients with locally advanced disease had non-uniform perfusion defects scattered within both lungs resulting in larger amount of FL close to PTV (Fig. 2b). Using IMRT in these patients ...
Do Community Hospitals Need Dual-Energy CT?
... DECT may help in the assessment of head and neck cancers. This application may require the optimization of keV settings. Because optimal signal-to-noise ratio is achieved at 65 keV and tumor conspicuity is greatest at 40 keV, the use of DECT may involve expert balancing. (7) Vascular anomalies. Beca ...
... DECT may help in the assessment of head and neck cancers. This application may require the optimization of keV settings. Because optimal signal-to-noise ratio is achieved at 65 keV and tumor conspicuity is greatest at 40 keV, the use of DECT may involve expert balancing. (7) Vascular anomalies. Beca ...
Hypertrophic Columns of Bertin: Imaging Findings
... contrast-material enhanced CT or MR images and MRI examination is more sensitive than CT [2, 4]. HCB shows the same enhancement pattern with normal renal parenchyma on dynamic MRI, as in our case. In addition, MRI does not have a risk of ionizing radiation, which is an important advantage and theref ...
... contrast-material enhanced CT or MR images and MRI examination is more sensitive than CT [2, 4]. HCB shows the same enhancement pattern with normal renal parenchyma on dynamic MRI, as in our case. In addition, MRI does not have a risk of ionizing radiation, which is an important advantage and theref ...
IMPLEMENTATION AND CHARACTERIZATION OF CONE-BEAM COMPUTED TOMOGRAPHY USING A COBALT-60
... irradiating treatment volumes within the patient with high energy gamma rays. Medical linear accelerators (linacs) began to replace Co-60 units during the 1960’s in more developed countries, but Co-60 has remained the main source of radiotherapy treatment in less developed countries around the world ...
... irradiating treatment volumes within the patient with high energy gamma rays. Medical linear accelerators (linacs) began to replace Co-60 units during the 1960’s in more developed countries, but Co-60 has remained the main source of radiotherapy treatment in less developed countries around the world ...
Iterative Reconstruction in Image Space
... developed. Although new to CT, iterative reconstruction is widely used in PET, but the introduction into clinical CT practice has been handicapped due to slow convergence of reconstruction and, consequently, the demand for extensive computer power and significant hardware efforts to avoid long image ...
... developed. Although new to CT, iterative reconstruction is widely used in PET, but the introduction into clinical CT practice has been handicapped due to slow convergence of reconstruction and, consequently, the demand for extensive computer power and significant hardware efforts to avoid long image ...
Quantification of partial volume effects in planar imaging
... organ of interest. This implies that for large organs a quantification error as low as 6.7% can be obtained and for smaller organs of the dimensions similar to sphere C, it can be in the region of 22.5%. Activity quantification of large organs can be acceptable without having to bother about PVEs wh ...
... organ of interest. This implies that for large organs a quantification error as low as 6.7% can be obtained and for smaller organs of the dimensions similar to sphere C, it can be in the region of 22.5%. Activity quantification of large organs can be acceptable without having to bother about PVEs wh ...
How does magnification affect image quality and patient dose in
... Diagnostic and therapeutic interventional neuroradiologic procedures involve imaging of catheter manipulation and vascular anomalies of the brain.1,2 These interventional neuroradiologic procedures often involve long fluoroscopic exposure times and the acquisition of a large number of radiographic i ...
... Diagnostic and therapeutic interventional neuroradiologic procedures involve imaging of catheter manipulation and vascular anomalies of the brain.1,2 These interventional neuroradiologic procedures often involve long fluoroscopic exposure times and the acquisition of a large number of radiographic i ...
Uroskop Omnia
... store, send, and retrieve patient data and clinical studies done on the system. Or use the DICOM Worklist function. Of course, you can also import or export data via CD/DVD or USB and connect other devices such as a network printer. You see, with FLUOROSPOT Compact, you benefit from smart integratio ...
... store, send, and retrieve patient data and clinical studies done on the system. Or use the DICOM Worklist function. Of course, you can also import or export data via CD/DVD or USB and connect other devices such as a network printer. You see, with FLUOROSPOT Compact, you benefit from smart integratio ...