MRI of Benign Female Pelvis
... may best be removed by hysteroscopic resection, whereas pedunculated subserosal fibroids may be appropriately treated by myomectomy. These pedunculated subserosal fibroids with a small stalk of attachment would not be good candidates for uterine artery embolization or MRI-guided focused ultrasound s ...
... may best be removed by hysteroscopic resection, whereas pedunculated subserosal fibroids may be appropriately treated by myomectomy. These pedunculated subserosal fibroids with a small stalk of attachment would not be good candidates for uterine artery embolization or MRI-guided focused ultrasound s ...
Electronic portal imaging devices: a review and
... treatment tables and multi-leaf collimators) and software (such as record-and-verify systems) which facilitate the delivery of ever more sophisticated treatment plans. Furthermore, recent years have witnessed efforts to employ novel combinations of these tools, such as treatment machines integrated ...
... treatment tables and multi-leaf collimators) and software (such as record-and-verify systems) which facilitate the delivery of ever more sophisticated treatment plans. Furthermore, recent years have witnessed efforts to employ novel combinations of these tools, such as treatment machines integrated ...
Pictorial Essay of Imaging Findings in Surface Based Bone Lesions
... -Biopsy should not be performed without significant consideration and full imaging workup as some no-touch lesions such as myostis ossificans/periostitis can mimic sarcoma on imaging and pathology. In addition, biopsy of aggressive lesions could possibly create seeding from the biopsy tract into the ...
... -Biopsy should not be performed without significant consideration and full imaging workup as some no-touch lesions such as myostis ossificans/periostitis can mimic sarcoma on imaging and pathology. In addition, biopsy of aggressive lesions could possibly create seeding from the biopsy tract into the ...
Positron-Emission Tomography and Assessment of Cancer Therapy
... this disease.4 In contrast, moderate-to-high uptake is seen in most lung, colorectal, esophageal, stomach, head and neck, cervical, ovarian, and breast cancers and in melanoma and most types of lymphoma. Variable uptake is observed in thyroid, testicular, hepatocellular, renal, and bladder cancers a ...
... this disease.4 In contrast, moderate-to-high uptake is seen in most lung, colorectal, esophageal, stomach, head and neck, cervical, ovarian, and breast cancers and in melanoma and most types of lymphoma. Variable uptake is observed in thyroid, testicular, hepatocellular, renal, and bladder cancers a ...
Successful Panoramic Radiography
... “Ghost image” is a term used in panoramic radiography to describe an image artifact produced when the shadow outline of a dense object on the side of the head toward the X-ray machine is projected across the image field and recorded on the film/image receptor on the opposite side of the head. This o ...
... “Ghost image” is a term used in panoramic radiography to describe an image artifact produced when the shadow outline of a dense object on the side of the head toward the X-ray machine is projected across the image field and recorded on the film/image receptor on the opposite side of the head. This o ...
Current status and future technical advances of ultrasonic imaging
... problem is actually based on factors such as resolution, contrast mechanism, speed, convenience, acceptability, and safety. For imaging soft tissues, ultrasound scores highly for all of these factors: spatial resolution of better than a millimeter can be obtained in abdominal scanning, tissue contra ...
... problem is actually based on factors such as resolution, contrast mechanism, speed, convenience, acceptability, and safety. For imaging soft tissues, ultrasound scores highly for all of these factors: spatial resolution of better than a millimeter can be obtained in abdominal scanning, tissue contra ...
ACR-SNM-SPR- Practice Guideline for the Performance of
... The American College of Radiology, with more than 30,000 members, is the principal organization of radiologists, radiation oncologists, and clinical medical physicists in the United States. The College is a nonprofit professional society whose primary purposes are to advance the science of radiology ...
... The American College of Radiology, with more than 30,000 members, is the principal organization of radiologists, radiation oncologists, and clinical medical physicists in the United States. The College is a nonprofit professional society whose primary purposes are to advance the science of radiology ...
Cone Beam Computed Tomography
... Diagnostic radiology has undergone profound changes in the last 30 years. New technologies are available to the dental field, cone beam computed tomography (CBCT) as one of the most important. CBCT is a catch-all term for a technology comprising a variety of machines differing in many respects: pati ...
... Diagnostic radiology has undergone profound changes in the last 30 years. New technologies are available to the dental field, cone beam computed tomography (CBCT) as one of the most important. CBCT is a catch-all term for a technology comprising a variety of machines differing in many respects: pati ...
Head Trauma — Child - American College of Radiology
... risk in children is 1/1000–1/5000 per cranial CT [12]. Dedicated pediatric CT parameters with protocols tailored by patient size should always be used to avoid unnecessarily high radiation doses [13]. See the Image Gently® website for additional information. MRI has an equal or higher sensitivity t ...
... risk in children is 1/1000–1/5000 per cranial CT [12]. Dedicated pediatric CT parameters with protocols tailored by patient size should always be used to avoid unnecessarily high radiation doses [13]. See the Image Gently® website for additional information. MRI has an equal or higher sensitivity t ...
Finger fractures imaging: accuracy of cone-beam
... Moreover, depending on the number of bone fragments depicted at MSCT, the fractures were also classified as a simple fracture (showing only one site of discontinuation of the cortical bone, without any bone fragment), a single fragment fracture (if only one free bone fragment was present), and a com ...
... Moreover, depending on the number of bone fragments depicted at MSCT, the fractures were also classified as a simple fracture (showing only one site of discontinuation of the cortical bone, without any bone fragment), a single fragment fracture (if only one free bone fragment was present), and a com ...
Quantitative 4D Transcatheter Intraarterial Perfusion MRI for
... catheter-directed intraarterial (IA) contrast injections, offers an objective method to monitor intra-procedural tumor perfusion changes during TACE. Prior semi-quantitative TRIP-MRI approaches were developed and validated in animal models and translated clinically for intra-procedural perfusion mon ...
... catheter-directed intraarterial (IA) contrast injections, offers an objective method to monitor intra-procedural tumor perfusion changes during TACE. Prior semi-quantitative TRIP-MRI approaches were developed and validated in animal models and translated clinically for intra-procedural perfusion mon ...
A Study on Evaluation of kV-CBCT-image-based Treatment
... inhomogeneous media of the phantom was analyzed to quantify the differences in the image quality of CT and CBCT. To assess the effect of radial scatter, three homogeneous phantoms with radial diameters of 10, 20, and 27 cm, respectively, were scanned using CBCT. 2.3 CBCT-image-based planning 2.3.1 I ...
... inhomogeneous media of the phantom was analyzed to quantify the differences in the image quality of CT and CBCT. To assess the effect of radial scatter, three homogeneous phantoms with radial diameters of 10, 20, and 27 cm, respectively, were scanned using CBCT. 2.3 CBCT-image-based planning 2.3.1 I ...
Techniques, Benefits, and Challenges of PET-MR
... allows greater cellular uptake of glucose relative to noncancerous cells. After intravenous injection, 18F-FDG is preferentially taken up by cancerous cells; however, once the 18F-FDG is intracellular, neither 18F-FDG nor its byproduct undergo normal catabolic or metabolic transformation, and it can ...
... allows greater cellular uptake of glucose relative to noncancerous cells. After intravenous injection, 18F-FDG is preferentially taken up by cancerous cells; however, once the 18F-FDG is intracellular, neither 18F-FDG nor its byproduct undergo normal catabolic or metabolic transformation, and it can ...
Procedure Guideline for Tumor Imaging with 18F
... PET is a tomographic scintigraphic technique in which a computer-generated image of local radioactive tracer distribution in tissues is produced through the detection of annihilation photons that are emitted when radionuclides introduced into the body decay and release positrons. 18FFDG PET is a tom ...
... PET is a tomographic scintigraphic technique in which a computer-generated image of local radioactive tracer distribution in tissues is produced through the detection of annihilation photons that are emitted when radionuclides introduced into the body decay and release positrons. 18FFDG PET is a tom ...
To Whipple or Not to Whipple, that is the Question: Evaluating the Resectability of Pancreatic Adenocarcinoma
... identifying pancreatic ductal dilatation, as static pancreatic fluid appears bright on this imaging modality. Now, let’s learn about the utility of ultrasound in evaluating the pancreas. ...
... identifying pancreatic ductal dilatation, as static pancreatic fluid appears bright on this imaging modality. Now, let’s learn about the utility of ultrasound in evaluating the pancreas. ...
2011 Rosen et al. J Am Coll Radiol.
... meta-analysis published in October 2006 included 26 studies of US and CT — 15 prospective and 11 retrospective, in the pediatric population. The pooled sensitivity of US was 88% (95% CI, 86%-90%) and specificity of 94% (95% CI, 92%-95%) compared with CT, which exhibited a pooled sensitivity of 94% ( ...
... meta-analysis published in October 2006 included 26 studies of US and CT — 15 prospective and 11 retrospective, in the pediatric population. The pooled sensitivity of US was 88% (95% CI, 86%-90%) and specificity of 94% (95% CI, 92%-95%) compared with CT, which exhibited a pooled sensitivity of 94% ( ...
CT AND MRI FEATURES OF THE SKULL BASE GLOMUS TUMOUR
... disease radiologically. Consistently outpaced by diagnostic progress in the past, surgery has finally evolved to a point of compatibility with the ability to image these tumors. It is this concept of informed pretreatment investigation. The ultimate treatment of the glomus tumor depends on tumor typ ...
... disease radiologically. Consistently outpaced by diagnostic progress in the past, surgery has finally evolved to a point of compatibility with the ability to image these tumors. It is this concept of informed pretreatment investigation. The ultimate treatment of the glomus tumor depends on tumor typ ...
A GUIDE TO THE TEACHING OF CLINICAL
... The didactic teaching of clinical radiological physics must be carried out at a time of day and under circumstances that are conducive to learning. Attendance at classes should be mandatory. Residents should not be "on call" during class. The instruction in clinical radiological physics should warra ...
... The didactic teaching of clinical radiological physics must be carried out at a time of day and under circumstances that are conducive to learning. Attendance at classes should be mandatory. Residents should not be "on call" during class. The instruction in clinical radiological physics should warra ...
M C S O
... 6.3.4 Comparison of large and small wedge angles.......................................................... 83 6.4 Discussion and Conclusions ........................................................................................... 87 Chapter 7 : Improving the gel image readout using X-ray computed ...
... 6.3.4 Comparison of large and small wedge angles.......................................................... 83 6.4 Discussion and Conclusions ........................................................................................... 87 Chapter 7 : Improving the gel image readout using X-ray computed ...
printview
... portrayed a skeptical, even paranoid public, grasping to understand the implications of the penetrative powers of these new rays. A poem from Punch titled "The New Photography" reveals some of these concerns: O, RÖNTGEN, then the news is true, And not a trick of idle rumour, That bids us each beware ...
... portrayed a skeptical, even paranoid public, grasping to understand the implications of the penetrative powers of these new rays. A poem from Punch titled "The New Photography" reveals some of these concerns: O, RÖNTGEN, then the news is true, And not a trick of idle rumour, That bids us each beware ...
slides
... Until ~1910, the high voltages required for x-ray tube operation was provided by induction coils powered by DC batteries. An induction coil consists of two separate coils. The inner "primary" coil consists of insulated wire wrapped around a central iron coil. The outer "secondary" coil is wrapped ar ...
... Until ~1910, the high voltages required for x-ray tube operation was provided by induction coils powered by DC batteries. An induction coil consists of two separate coils. The inner "primary" coil consists of insulated wire wrapped around a central iron coil. The outer "secondary" coil is wrapped ar ...
Measurement of Pituitary Gland Height with MR Imaging
... preferable to reformatted coronal images since there is better resolution with the former [5]. The CT coronal projection , using either the supine or prone position , is uncomfortable for most patients. In some, satisfactory positioning cannot be achieved; in others, gantry angulation at right angle ...
... preferable to reformatted coronal images since there is better resolution with the former [5]. The CT coronal projection , using either the supine or prone position , is uncomfortable for most patients. In some, satisfactory positioning cannot be achieved; in others, gantry angulation at right angle ...
CT Of Fatty Lesions In The Mediastinum
... CT Assessment of the Mediastinum • CT is the most frequently used modality to evaluate the mediastinum – Resolves complicated anatomical pathology presented on CXR – Widespread availability – Ease of performance – Relatively low cost (compared to MR) ...
... CT Assessment of the Mediastinum • CT is the most frequently used modality to evaluate the mediastinum – Resolves complicated anatomical pathology presented on CXR – Widespread availability – Ease of performance – Relatively low cost (compared to MR) ...
Tumor Dosimetry in a Phase I Study of Lu(177)-DOTA
... Introduction: Antibody-radionuclide-conjugate therapy using the monoclonal antibody agent 177 Lu-DOTA-HH1 (BetalutinTM ) developed by Nordic Nanovector, is a novel treatment of non-Hodgkin Lymphoma. A Phase I/II study is currently being conducted at Oslo University Hospital, the Lymrit-37-01-study. ...
... Introduction: Antibody-radionuclide-conjugate therapy using the monoclonal antibody agent 177 Lu-DOTA-HH1 (BetalutinTM ) developed by Nordic Nanovector, is a novel treatment of non-Hodgkin Lymphoma. A Phase I/II study is currently being conducted at Oslo University Hospital, the Lymrit-37-01-study. ...
Liver lesion conspicuity during realtime MRguided radiofrequency
... approach for early stage hepatocellular carcinoma (HCC) according to the Barcelona Clinic Liver Cancer (BCLC) staging classification and the American Association of the Study of Liver Diseases (AASLD) (6,7). Thermal ablations are also the first choice of treatment for unresectable isolated hepatic m ...
... approach for early stage hepatocellular carcinoma (HCC) according to the Barcelona Clinic Liver Cancer (BCLC) staging classification and the American Association of the Study of Liver Diseases (AASLD) (6,7). Thermal ablations are also the first choice of treatment for unresectable isolated hepatic m ...