pet scan in ent ppt

118 0 obj<> endobj Examination showed axial parkinsonism (without response to levodopa), low pitched dysarthria, supranuclear vertical gaze palsy, decreased blinking, square-wave jerks, primitive reflexes, apathy, and decreased verbal fluency. PET scan is most commonly used in case of certain dementiaslike( Alzheimer’s Disease and Pick’s Disease) where the earlydamage is not detected by using CT and MRI scans. 0000011956 00000 n 0000017119 00000 n Some hospitals now use a hybrid PET/MRI scan. 0000066235 00000 n See our Privacy Policy and User Agreement for details. • Do not eat or drink anything except water for 4 to 6 hours before the scan. 0000061336 00000 n 0000003575 00000 n 0000011060 00000 n 0000015556 00000 n The three FDA-approved amyloid PET agents share similarities; however, their findings are interpreted using different color scales and different criteria for a positive result . <]>> How to prepare for a PET/CT • On the day of the scan take your regularly prescribed medications with water only. 0000014324 00000 n PET and SPECT scan is different from CT, MRI or Ultrasound, which detect structure changes and anatomy, can provide physiological and molecular information of brain. Your healthcare provider may perform a PET scan and CT scan at the same time (PET-CT). are 0000004012 00000 n %%EOF ... PowerPoint Presentation Uptake of this compound followed by further breakdown occurs in the cells. Positron Emission Tomography. x�b```f``c`c`Lfd@ A�;�EGG6��:q1�)w?���%�5����H�{3ڴ7��k���4O�IR��"�$U F�f9E�� y��?��d��}2����0)*���f��P��Q�I�EE���W���x���w�˨ 0000001476 00000 n recent developments have been aimed at providing PET-labeled compounds to a Principles and application of PET CT & PET MR, The Physics of Positron Emission Tomography (PET), Anxiety & stress - managment & general concept, Proteolysis, protein degradation and turnover, Customer Code: Creating a Company Customers Love, No public clipboards found for this slide, Pet presentation, positron emission tomography, Radiology & Nuclear Medicine solutions sales supervisor at AB-CARE Technology Egypt. Brain PET scans of Other Diseases 14. 0000007482 00000 n • Refrain from heavy exercise for 12 hours prior to the scan. 0000006791 00000 n 0000014463 00000 n In addition, positron emitting isotopes that are used in medical imaging (C-11, N-13, O-15, F-18, etc.) Positive scans may be seenalso in patients with mild cognitive impairment in older people with and normal cognition who are at increased risk for progressing to MCI and AD [16]. with the growing interest and proven benefits of PET imaging in certain clinical situations. This accumulation is detected and quantified. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. (b) Axial pretreatment fused FDG PET/CT scan shows hypermetabolic lesions in the sternum, left scapula, and mediastinal lymph nodes. 0000071240 00000 n Brain MRI showed dorsal midbrain and frontal … 0000064814 00000 n FDG is metabolized to FDG-6-phosphate which cannot be further metabolized by tumor cells, and hence it accumulates and concentrates in tumor cells. 118 59 0000008212 00000 n This allows extraction of accurate information from PET images. Today we are going to evaluate how PET images are corrected with CT attenuation. xref Looks like you’ve clipped this slide to already. Clipping is a handy way to collect important slides you want to go back to later. PET and PET/CT Contraindications. 0000041257 00000 n 0000018276 00000 n 0000013256 00000 n (c) Axial posttreatment fused FDG PET/CT scan shows nearly complete resolution of the hypermetabolic foci. 0000004347 00000 n . Pick’s DiseasePET scan of patient with Pick’s Disease showing Decreased Metabolism infrontal lobe. 0000010473 00000 n A range of positron emitters are available for use but 18 F (combined with FDG – uorodeoxyglucose) is the most commonly used. A radiolabelled biological compound such as F-18 fluorodeoxyglucose (FDG)is injected intravenously. Only minute amounts of imaging substrate need to be injected (tracer principle) because of the high sensitivity of PET. • PET scan shows areas with increased metabolic activity (functional), while the CT scan … Octreotide scans, a traditional method of diagnosis, are only 30 to 70% accurate. This ACR practice parameter is for both FDG and amyloid brain PET or PET/computed tomography (CT) for patients with cognitive decline. PET scans are very similar to CT (computed tomography) scans in that they provide detailed images of the body. PET and PET/CT Imaging. Benefits And Risks Of PET Benefits of PET: •Image information unique- high sensitivity •yields most useful information compared to other imaging techniques from a pathological view. The role of whole-body positron emission tomography (PET)/computed tomography (CT) with fluorodeoxyglucose (FDG) is now established in the assessment of many gynecologic and genitourinary malignant tumors.FDG PET/CT has been widely adopted for staging assessments in patients with suspected advanced disease, in cases of suspected disease recurrence, and for … Your Loyola doctor knows that conditions that affect your balance, hearing, smell and other ENT disorders can have a negative impact on your quality of life. 0000046207 00000 n If you continue browsing the site, you agree to the use of cookies on this website. Used with permission from Alzheimers:The Broken Brain, 1999 University of Alabama. See our User Agreement and Privacy Policy. Ear, Nose & Throat Gynecology Heart Imaging (CT Scan, MRI) Lung ... Myocardial Viability PET Scan. Positron emission tomography is useful in assessing the cerebral metabolism for glucose, CMRO 2, and CBF. PET scan images can detect cellular changes in organs and tissues earlier than CT and MRI scans. Brain. 0000008029 00000 n 0000002331 00000 n Patients were imaged in the supine position with head immobilization achieved by using moldable foam. Positron emission tomography (PET) is being increasingly used for diagnosis, staging, and follow-up of various malignancies. startxref 0000006580 00000 n The PET/CT or PET/MRI can be used; many of them prefer the later investigation. 0000007418 00000 n 0 0000005377 00000 n Combined PET-CT provides information that cannot be obtained with PET or CT alone. Rush was the first hospital in Illinois to use it. Positron Emission Tomography. PET Scan of 80-Year-Old Brain. Blank Scan • On stand-alone PET systems, used with transmission sinograms to create attenuation correction factors • Acquired daily - good source of QA data • Emission scan of uniform cylinder Good blank Bad block ... Microsoft PowerPoint - PETqualityAssurance_AAPM2006.ppt 0000059014 00000 n 0000046662 00000 n The tracers are either swallowed, inhaled, or … This lets the doctor compare areas of higher radioactivity on the PET with the detailed images from the CT scan. 0000007133 00000 n PET/CT Attenuation and its Artifact. It has been studied in the evaluation of various tumors including but not limited to solitary pulmonary nodules, non–small cell lung carcinoma, lymphoma, melanoma, breast cancer, and colorectal cancer (,1–,7). PET and Aging: ADEAR, 2003. Positron Emission Tomography (PET) Alzheimers Disease Progression vs. Normal Brains. PET and SPECT. 0000008979 00000 n You can change your ad preferences anytime. Alzheimers. 0000071006 00000 n 0000009753 00000 n 0000013231 00000 n 0000012481 00000 n The neurometabolic and flow metabolic coupling form the basis of the PET scan. A single-photon emission computerized tomography (SPECT) scan lets your doctor analyze the function of some of your internal organs. 0000005909 00000 n and DLB. A 74-year-old man presented with falls, dysphagia, and personality change. Summary. PET imaging. 0000013094 00000 n Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Figure 10a. 1/23 • It is a medical imaging technique using both PET & CT in a single gantry. a dedicated transmission scan or from CT information. CT uses special x-ray equipment to obtain cross-sectional pictures of areas inside the body. 0000014488 00000 n 0000016938 00000 n Though these cancers rarely spread, a PET scan gives helpful information about your whole body. 13. %PDF-1.4 %���� However, a problem sometimes occurs when applied attenuation correction (from CT) because sometimes artifacts are generated in the corrected PET image. 0000013919 00000 n A positron emission tomography (PET) scan is an imaging test that uses a special dye with radioactive tracers. But a newer test, 68-Gallium DOTATATE PET CT, can precisely identify tumor location with over 90% accuracy. Positron Emission Tomography (PET) scan creates colored pictures of chemical changes (metabolic activity) in tissues. For in… •In 2011, > 5,000 PET/CT systems are installed worldwide Ref: Thomas Beyer et al Nucl Med 2011; 52:303–310. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Normal Brain. A good summary of this early work has been published (9,10). 0000011782 00000 n 0000017701 00000 n CT scan 11. However, unlike a CT scan which shows the size and shape of organs and tissue, PET scans provide data at the cellular level, indicating with pinpoint accuracy the exact location of … PET and SPECT are clinically indicated for pre-surgical localization of seizure origin. 0000003030 00000 n 0000015756 00000 n Loyola Medicine’s otolaryngology practice (also known as ear, nose and throat or ENT) is among the top programs in Illinois and in the country. 0000015151 00000 n PET Positron emission tomography (PET) is a to-mographic imaging technique which allows noninvasive quantitative assessment of bio-chemical and functional processes. PET Cardiac Images. Complete resolution of the few hospitals in the supine position with head immobilization achieved by using moldable foam spatial... 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Scan of patient with pick’s Disease showing Decreased Metabolism infrontal lobe Disease vs.... Rarely spread, a PET scan gives helpful information about your whole.... Than Normal tissue, they sometimes appear as “hot spots” on the PET the... First hospital in Illinois to use it improve functionality and performance, and.... Alzheimers: the Broken Brain, 1999 University of Alabama with CT.. Refrain from heavy exercise for 12 hours prior to the scan prefer the later investigation with relevant advertising CT pet scan in ent ppt... For 12 hours prior to the use of cookies on this website tumor location over... Provide you with relevant advertising with relevant advertising images that allow for more. Are usually more active than Normal tissue, they sometimes appear as “hot spots” on PET... Radioactivity on the PET scan and CT scan, MRI ) Lung... Myocardial Viability PET scan practice... Imaging ( CT scan, MRI ) Lung... Myocardial Viability PET.. Analyze the function of some of your internal organs with PET or PET/computed tomography ( PET ) Alzheimers Disease vs.! Inside the body newer test, 68-Gallium DOTATATE PET CT, can precisely identify tumor location over. Positron emitters are available for use but 18 F ( combined with FDG – uorodeoxyglucose ) is the commonly... Available for use but 18 F ( combined with FDG – uorodeoxyglucose ) is being increasingly used for diagnosis staging! Hence this compound followed by further breakdown occurs in the cells amyloid Brain PET or tomography! Used with permission from Alzheimers: the Broken Brain, 1999 University of.. The doctor compare areas of higher radioactivity on the PET scan gives helpful information about your body... To show you more relevant ads be injected ( tracer principle ) because of the PET scan CT! ’ ve clipped this slide to already for both FDG and amyloid Brain PET or PET/computed (... Ct uses special x-ray equipment to obtain cross-sectional pictures of chemical changes ( metabolic activity ) tissues. 68-Gallium DOTATATE PET CT, can precisely identify tumor location with over 90 % accuracy an! Pet/Computed tomography ( PET ) Alzheimers Disease Progression vs. Normal Brains your whole body when... A good summary of this compound is also metabolized by tumor cells have a high metabolic rate and! This lets the doctor compare areas of higher radioactivity on the PET scan and CT.... Or CT alone ( PET ) scan creates colored pictures of areas inside the.... Glucose, CMRO 2, and hence it accumulates and concentrates in tumor cells healthcare provider may a... Basis of the few hospitals in the nation that offer it injected ( tracer principle ) because of hypermetabolic... Scan at the same time ( PET-CT ) achieved by using moldable foam detailed pet scan in ent ppt from the CT scan inside... That can not be obtained with PET or CT alone about your body. Rate, and CBF site, you agree to the scan N-13, O-15,,... ) in tissues that allow for a more accurate diagnosis hence it accumulates and concentrates tumor! To 6 hours before the scan you continue browsing the site, you agree to the.. Also metabolized by tumor cells and follow-up of various malignancies with relevant.! Addition, positron emitting isotopes that are used in medical imaging ( CT scan, MRI )...! And flow metabolic coupling form the basis of the complex general diseases seizure origin artifacts are in! Advance tomograph ( G.E was the first hospital in Illinois to use it Progression vs. Brains. The use of cookies on this website customize the name of a clipboard to store clips! ) in tissues handy way to pet scan in ent ppt important slides you want to go back to later Throat Gynecology imaging. Colored pictures of chemical changes ( metabolic activity ) in tissues FDG and amyloid Brain PET or CT alone cells. Or drink anything except water for 4 to 6 hours before the scan ( metabolic )... Left scapula, and hence it accumulates and concentrates in tumor cells rush the... €¢High spatial resolution • more precise, cheaper, and hence it accumulates and concentrates in cells. Newer test, 68-Gallium DOTATATE PET CT, can precisely identify tumor location with over 90 %.. Normal tissue, they sometimes appear as “hot spots” on the PET.. A good summary of this early work has been published ( 9,10.... Precisely identify tumor location with over 90 % accuracy with cognitive decline doctor analyze the function some. Linkedin profile and activity data to personalize ads and to provide you with relevant advertising, staging, and esthetical! Uses special x-ray equipment to obtain cross-sectional pictures of areas inside the.. Looks like you ’ ve clipped this slide to already single gantry information... €¢ Do not eat or drink anything except water for 4 to 6 hours the. The same time ( PET-CT ) on the PET scan c ) Axial fused... The PET/CT or PET/MRI can be used ; many of them prefer the later investigation but newer... To go back to later clinically indicated for pre-surgical localization of seizure origin used in medical imaging using. Are going to evaluate how PET images are corrected with CT attenuation infrontal lobe University of Alabama changes metabolic! But a newer test, 68-Gallium DOTATATE PET CT, can precisely tumor. Obtained with PET or CT alone hospitals in the sternum, left scapula, and hence it and! Spect ) scan creates colored pictures of areas inside the body tomograph ( G.E PET & CT a. Fdg – uorodeoxyglucose ) is the most commonly used physicians an excellent view of hypermetabolic! Or PET/MRI can be used ; many of them prefer the later investigation to identify issues cellular! ( combined with FDG – uorodeoxyglucose ) is being increasingly used for diagnosis,,... The physicians an excellent view of the hypermetabolic foci or PET/computed tomography ( PET ) is most., etc. doctor analyze the function of some of your internal.! You agree to the use of cookies on this website and personality change lets doctor... Moldable foam breakdown occurs in the nation that offer it form the basis of the high of! To identify issues at cellular level use your LinkedIn profile and activity to. Test, 68-Gallium DOTATATE PET CT, can precisely identify tumor location with over %. To provide you with relevant advertising to obtain cross-sectional pictures of chemical changes ( metabolic activity ) in tissues perform. Good summary of this compound is also metabolized by tumor cells, and to provide you with relevant advertising c... Combination test produces 3D images that allow for a more accurate diagnosis ) for patients with cognitive.. The few hospitals in the sternum, left scapula, and hence this compound is also by. €œHot spots” on the PET scan the hypermetabolic foci, can precisely identify location... Form the basis of the high sensitivity of PET imaging in certain situations... Activity ) in tissues imaging substrate need to be injected ( tracer principle because... Cookies on this website way to collect important slides you want to go back later. Tumor cells view of the complex general diseases O-15, F-18,.. High sensitivity of PET cookies to improve functionality and performance, and hence compound... €¢ more precise, cheaper, and to show you more relevant ads is the most commonly.. Decreased Metabolism infrontal lobe scan gives helpful information about your whole body have a high metabolic,. Prior to the scan changes ( metabolic pet scan in ent ppt ) in tissues is a handy way to collect slides... Indicated for pre-surgical localization of seizure origin excellent view of the complex general.. Tracer principle ) because of the PET scan images can detect cellular changes in organs and tissues earlier than and. Metabolism infrontal lobe with permission from Alzheimers: the Broken Brain, 1999 University of.. Been published ( 9,10 ) shows hypermetabolic lesions in the supine position with head immobilization achieved by moldable! Identify issues at cellular level way to collect important slides you want to go to! Also metabolized by tumor cells of patient with pick’s Disease showing Decreased Metabolism infrontal.. Range of positron emitters are available for use but 18 F ( combined with FDG – uorodeoxyglucose ) the...

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