This may require two small syringes in place of one larger syringe. These protocols were discussed and agreed upon by members of each subspecialty section within tra medical imaging. Given the rapid evolution of ct technology in the past decade, the number of applications for ct has expanded greatly and the techniques for performing the optimal exam have also increased. However, applying a standarddose whole body ct protocol results in very high cumulative radiation doses. A practical approach to optimizing ct protocols alice r. We hope you find this useful and would appreciate any. Stanford cardiovascular ct scanning and injection protocols. Chest, abdomen and pelvis ct protocols chest chest ct low dose nodule evaluation chest ct lung cancer screening chest ct routine with contrast chest ct without routine chest cta pulmonary embolism chest cta acute aorta chest cta aortic aneurysm pre evt chest cta aortic aneurysm post evt chest cta acute aorta trauma chest ct high resolution.
Chest ct without contrast lung nodule followup, lung ca screening c 5. Radiologists work closely with ohsu mri techs in the art of creating optimal images from current technology. Optimizationofacquisition scanparametersinarattumor model1. Pdf optimisation of wholebody petct scanning protocols. Lp riccelli works closely with ohsu ct techs in the art of creating optimal images from current technology. As a result, 11 ct protocols of three body parts were chosen to be assessed in this study. It outlines ct protocols for diagnostic imaging currently applied to ou ct.
Ct scanning is fast, painless, noninvasive and accurate. Ct urography ctu, coronary ct angiography cta coronary and ct perfusion study of the brain ctp brain. To address this challenge, manufacturers have revised a primary step in ct imaging. Optimisation of wholebody petct scanning protocols h zaidi. Computed tomography ct is utilized extensively in imaging of the brain. Patient supine with feet first into scanner keeps knees extended, sidebyside. Optimisation of wholebody petct scanning protocols article pdf available in biomedical imaging and intervention journal 32. Weightbased, lowdose pediatric wholebody petct protocols adam m. Ct chest pediatric with contrast acquisition helical reconstruction notes hand injection. Radiation dose and radiation risk home stanford medicine. Body imaging protocols currently applied in our mri section.
This page is for physicians, inside and outside this institution, and ct technologists. Computed tomography ct is a radiologic modality that utilizes ionizing radiation to obtain crosssectional images nonhelical ct or volumetric data sets helical ct. Questions regarding changes in the protocols should be directed to scott collins, rtrct or lori garceau, rtrctarrt. Tape the feet together with toes pointing up to help keep the knees from moving. The purpose of contrastenhanced ct cect is to find pathology by enhancing the contrast between a lesion and. Use of dose reduction measures is tempered by the goal of high image quality, which is inversely related to the noise resulting from low dose protocols. Now in its third edition, this unsurpassed quality. Atlas of body sections ct and mri images 3rd edition download the book pdf file 32. Chest ct angiogram pulmonary embolism protocol c 4. Appendix a contains general protocols for neuro, body and musculoskeletal imaging and. Bone disease is one of the hallmarks of multiple myeloma. The purpose of these ct protocol pages is to provide a reference for radiology residents, fellows and technologists when prescribing a ct examination.
Bone scan mdp special instructions consult with radiologist prior to all threephase bone scans to confirm views for angiogram and immediate static images. We hope you find this helpful in providing optimal patient care. Find protocols for performing head ct scans at rhode island hospital, also welcoming massachusetts patients. The membership includes academic and consulting medical physicists who specialize in ct imaging, representatives of each of the major ct scanner manufacturers, and liaisons to the. Noncontrast head ct should be acquired prior to iv contrast administration, in order to optimize detection of intracranial hemorrhage ct of the thoracic and lumbar spine can be acquired as a single helical acquisition along with ct of the chest, abdomen, and pelvis in order to minimize radiation. The f distribution was used to compute p for comparison of the noise values of the different protocols. Head ct without contrast, or with contrast indications. Being a fresh graduate and having lots of free time, i stumbled upon your site when i was searching for work at home opportunities, good thing i did. Standard 18ffdg imaging protocols with petct can be divided into 7 steps fig. We surveyed members of the society of computed body tomographymag netic resonance to evaluate current techniques used for helical ct in. Therefore, most, if not all, petct imaging protocols are based on standard wholebody 7 pet acquisition protocols, which involve a pre or postinjection transmission scan followed by an emission scan covering the same axial imaging range.
Kinahan, phd university of washington, seattle, wa computed tomography ct acquisition during positron emission tomography petct imaging is often performed for a variety of purposes. Remember that if you change parameters for any series in a multiphase study, you must make the same changes to the other series in that exam. Stanford cardiovascular ct scanning and injection protocols preface cardiovascular imaging is one of the most important and visible beneficiaries of the recent and dramatic evolution of comuted tomographic ct technology. Experimental studies body tumor ct perfusion protocols. Protocols should be optimized to give the lowest dose required to achieve appropriate image quality for a. Computed tomography fluoroscopy equipment imaging for radiation therapy. Joseph dose for all pediatric contrast enhanced ct is 2cckg up to adult dose as maximum april 23, 2019 ct protocols for adult body orderables with img. Chest ct angiogram pulmonary vein mapping protocol a 1. Slide patient so that the knee being scanned is in the center of the table. Whole body low dose ct wbldct has important advantages as a firstline imaging modality for bone disease assessment in patients with plasma cell disorders and has been included in. In addition, three ct protocols with high impact on radiation exposure had included. Computed tomography ct body computed tomography ct of the body uses sophisticated xray technology to help detect a variety of diseases and conditions.
Parisi1,2 1department of radiology, university of washington, seattle, washington. Optimization of acquisition scan parameters in a rat tumor model. Department of radiology, umdnjnj medical school, university hospital, 150 bergen st, uh c320, newark, nj 071032406. In 2010, the alliance for quality computed tomography working group was formed to provide information to ct users that enhances the quality of their ct practice. To help answer those questions we have put together our protocols as well as adding ct scan protocols from other institutions that we thought might prove useful. Computed tomography ct is a technology that produces crosssectional images of the body using xrays. Ct protocol selection in petct imaging image wisely.
When performing a multiphase study such as a triplephase liver or pancreas protocol, instruct the patient to try to take the same sized breath with. Many scan pa rameters may be preprogrammed into the scanner and called up as a specific clinical protocol on the operators console. We also enhance the ct protocols with select instructive cases. Acquire all angiograms with both detectors on twoheaded cameras.
Find links to protocols for ct examinations for various body parts at rhode island hospital, also welcoming massachusetts patients. This practice parameter outlines the principles for performing highquality ct imaging of the brain in pediatric and adult patients. Recommendations for acquisition, interpretation and. Alessio, phd university of washington, seattle, wa paul e.
To address the more and more dedicated examinations, the second edition of protocols for multislice ct. Developed by renowned radiologists in each specialty, statdx provides comprehensive decision support you can rely on wholebody petct protocols. Indication based scan protocols for each body region. All body protocols for pediatric patients are under pediatric protocols. Wholebody mri protocols from the royal marsden hospital using 1. Ct body chest colonography prep musculoskeletal neuro pedi protocols. Ct protocols based on ge 16 slice ct abdomen for pancreatic mass positionlandmark supine head or feet firstxyphoid scouts aplateral mid lung through aortic bifrucation scan typedirection helicalcraniocaudal pitchmode speedrotation 1. Ct protocols for common primary care diagnoses lacey j.
Hopefully, this presentation of protocols will guide the user to perform the most optimal body imaging today. Ct contrast injection and protocols the radiology assistant. Ct head, brain with contrast 70460 ctv o sagittal sinus thrombosis o venous thrombosis 100cc 30 sec delay ct brain with contrast 70470 o melanoma o hiv o toxoplasmosis ct head, brain without and with contrast 70480 o traumaright or left o fractureright or left o foreign body ct orbit without contrast 70480 o hearing loss, conductive o. Standard imaging protocols this document includes typical imaging protocols for diagnostic imaging. Acrasnrspr practice parameter for the performance of. Kinahan1, vivek manchanda1,2, victor ghioni2, lisa aldape2, and marguerite t. Focal spot at 120 kv, if the ma is less than 570, the machine will default to the small focal spot, providing greater detail. The syringe size will be determined by the amount of resistance when test flushing the patients iv. Helical ct protocols for the abdomen and pelvis ajr. Place the region of interest in center of coil and field. Acquisition protocol considerations for combined petct.