{"wikiid":419192,"langid":"en","namespace":"CATEGORY","title":"PET Scanner","revisionid":1210658,"contents_raw":"== Background and Identification ==\n\nPositron Emission Tomography or PET scanners are machines that use radioactive drugs or tracers to show how your tissues and organs are functioning. According to Mayo Clinic the tracer may be inhaled, injected or swallowed depending on the organ being studied and it collects in areas of your body that have higher chemical activity which often means an area of disease. On a PET scan, this would be reflected as a bright spot.\n\nA PET  scan can be useful in evaluating or revealing many conditions including cancers, heart disease and brain disorders. They are often combined with other medical imaging equipment like MRI or CT to take special images.\n\n== Additional Information ==\n\n* Wikipedia: [https:\/\/en.wikipedia.org\/wiki\/Positron_emission_tomography|Positron Emission Tomography]\n* Mayo Clinic: [https:\/\/www.mayoclinic.org\/tests-procedures\/pet-scan\/about\/pac-20385078|Positron Emission Tomography Scan]\n* Johns Hopkins: [https:\/\/www.hopkinsmedicine.org\/health\/treatment-tests-and-therapies\/positron-emission-tomography-pet|Positron Emission Tomography (PET)]","contents_json":{"type":"doc","content":[{"type":"heading","attrs":{"level":2},"content":[{"type":"text","text":"Background and Identification"}]},{"type":"paragraph","content":[{"type":"text","text":"Positron Emission Tomography or PET scanners are machines that use radioactive drugs or tracers to show how your tissues and organs are functioning. According to Mayo Clinic the tracer may be inhaled, injected or swallowed depending on the organ being studied and it collects in areas of your body that have higher chemical activity which often means an area of disease. On a PET scan, this would be reflected as a bright spot."}]},{"type":"paragraph","content":[{"type":"text","text":"A PET  scan can be useful in evaluating or revealing many conditions including cancers, heart disease and brain disorders. They are often combined with other medical imaging equipment like MRI or CT to take special images."}]},{"type":"heading","attrs":{"level":2},"content":[{"type":"text","text":"Additional Information"}]},{"type":"bulletList","attrs":[],"content":[{"type":"listItem","content":[{"type":"paragraph","content":[{"type":"text","text":"Wikipedia: "},{"type":"text","marks":[{"type":"link","attrs":{"href":"https:\/\/en.wikipedia.org\/wiki\/Positron_emission_tomography","target":false}}],"text":"Positron Emission Tomography"}]}]},{"type":"listItem","content":[{"type":"paragraph","content":[{"type":"text","text":"Mayo Clinic: "},{"type":"text","marks":[{"type":"link","attrs":{"href":"https:\/\/www.mayoclinic.org\/tests-procedures\/pet-scan\/about\/pac-20385078","target":false}}],"text":"Positron Emission Tomography Scan"}]}]},{"type":"listItem","content":[{"type":"paragraph","content":[{"type":"text","text":"Johns Hopkins: "},{"type":"text","marks":[{"type":"link","attrs":{"href":"https:\/\/www.hopkinsmedicine.org\/health\/treatment-tests-and-therapies\/positron-emission-tomography-pet","target":false}}],"text":"Positron Emission Tomography (PET)"}]}]}]}]},"contents_rendered":"<div class=\"clearer\"><\/div><div class=\"headerContainer\"><a class=\"selfLink\" href=\"#Section_Background_and_Identification\" title=\"Link to this section\" aria-hidden=\"true\" tabindex=\"-1\"><span    class=\"fa-svg-icon\"><svg width=\"16\" height=\"16\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\" overflow=\"visible\"><!--! Font Awesome Pro 7.3.1 by @fontawesome - https:\/\/fontawesome.com License - https:\/\/fontawesome.com\/license (Commercial License) Copyright 2026 Fonticons, Inc. --><path d=\"M427.5 88c-21.4 0-42.2 6.9-59.3 19.4-11.4-11.7-24.4-22.1-38.4-30.7 27-23.6 61.7-36.7 97.7-36.7 82 0 148.5 66.5 148.5 148.5 0 39.4-15.6 77.1-43.5 105l-79.1 79.1c-27.8 27.8-65.6 43.5-105 43.5-82 0-148.5-66.5-148.5-148.5 0-17.9 3.2-35.5 9.4-51.9 4.6-12.4 18.5-18.7 30.9-14.1S259 220 254.4 232.4c-4.2 11.1-6.4 23-6.4 35.2 0 55.5 45 100.5 100.5 100.5 26.6 0 52.2-10.6 71-29.4l79.1-79.1C517.4 240.6 528 215.1 528 188.5 528 133 483 88 427.5 88zm-200 56c-26.6 0-52.2 10.6-71 29.4L77.4 252.5c-18.8 18.8-29.4 44.4-29.4 71 0 55.5 45 100.5 100.5 100.5 21.4 0 42.2-6.9 59.3-19.4 11.4 11.8 24.4 22.1 38.4 30.7-27 23.6-61.7 36.7-97.7 36.7-82 0-148.5-66.5-148.5-148.5 0-39.4 15.6-77.1 43.5-105l79.1-79.1c27.8-27.8 65.6-43.5 105-43.5 82 0 148.5 66.5 148.5 148.5 0 17.9-3.2 35.5-9.4 51.9-4.6 12.4-18.5 18.7-30.9 14.1S317 292 321.6 279.6c4.2-11.1 6.4-23 6.4-35.1 0-55.5-45-100.5-100.5-100.5z\"\/><\/svg><\/span><\/a><h2 id=\"Section_Background_and_Identification\" class=\"header\">Background and Identification<\/h2><\/div>\n\n<p>Positron Emission Tomography or PET scanners are machines that use radioactive drugs or tracers to show how your tissues and organs are functioning. According to Mayo Clinic the tracer may be inhaled, injected or swallowed depending on the organ being studied and it collects in areas of your body that have higher chemical activity which often means an area of disease. On a PET scan, this would be reflected as a bright spot.<\/p>\n\n<p>A PET  scan can be useful in evaluating or revealing many conditions including cancers, heart disease and brain disorders. They are often combined with other medical imaging equipment like MRI or CT to take special images.<\/p>\n\n<div class=\"clearer\"><\/div><div class=\"headerContainer\"><a class=\"selfLink\" href=\"#Section_Additional_Information\" title=\"Link to this section\" aria-hidden=\"true\" tabindex=\"-1\"><span    class=\"fa-svg-icon\"><svg width=\"16\" height=\"16\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\" overflow=\"visible\"><!--! Font Awesome Pro 7.3.1 by @fontawesome - https:\/\/fontawesome.com License - https:\/\/fontawesome.com\/license (Commercial License) Copyright 2026 Fonticons, Inc. --><path d=\"M427.5 88c-21.4 0-42.2 6.9-59.3 19.4-11.4-11.7-24.4-22.1-38.4-30.7 27-23.6 61.7-36.7 97.7-36.7 82 0 148.5 66.5 148.5 148.5 0 39.4-15.6 77.1-43.5 105l-79.1 79.1c-27.8 27.8-65.6 43.5-105 43.5-82 0-148.5-66.5-148.5-148.5 0-17.9 3.2-35.5 9.4-51.9 4.6-12.4 18.5-18.7 30.9-14.1S259 220 254.4 232.4c-4.2 11.1-6.4 23-6.4 35.2 0 55.5 45 100.5 100.5 100.5 26.6 0 52.2-10.6 71-29.4l79.1-79.1C517.4 240.6 528 215.1 528 188.5 528 133 483 88 427.5 88zm-200 56c-26.6 0-52.2 10.6-71 29.4L77.4 252.5c-18.8 18.8-29.4 44.4-29.4 71 0 55.5 45 100.5 100.5 100.5 21.4 0 42.2-6.9 59.3-19.4 11.4 11.8 24.4 22.1 38.4 30.7-27 23.6-61.7 36.7-97.7 36.7-82 0-148.5-66.5-148.5-148.5 0-39.4 15.6-77.1 43.5-105l79.1-79.1c27.8-27.8 65.6-43.5 105-43.5 82 0 148.5 66.5 148.5 148.5 0 17.9-3.2 35.5-9.4 51.9-4.6 12.4-18.5 18.7-30.9 14.1S317 292 321.6 279.6c4.2-11.1 6.4-23 6.4-35.1 0-55.5-45-100.5-100.5-100.5z\"\/><\/svg><\/span><\/a><h2 id=\"Section_Additional_Information\" class=\"header\">Additional Information<\/h2><\/div>\n\n<ul><li>Wikipedia: <a href=\"https:\/\/en.wikipedia.org\/wiki\/Positron_emission_tomography\">Positron Emission Tomography<\/a><\/li><li>Mayo Clinic: <a href=\"https:\/\/www.mayoclinic.org\/tests-procedures\/pet-scan\/about\/pac-20385078\" rel=\"nofollow noopener noreferrer\">Positron Emission Tomography Scan<\/a><\/li><li>Johns Hopkins: <a href=\"https:\/\/www.hopkinsmedicine.org\/health\/treatment-tests-and-therapies\/positron-emission-tomography-pet\" rel=\"nofollow noopener noreferrer\">Positron Emission Tomography (PET)<\/a><\/li><\/ul>","linked_wikis":[],"can_edit":true,"available_langids":["en","de","es","fr","it","jp","ko","nl","pt","ru","tr","zh"],"ancestors":[{"dataType":"wiki","wikiid":417839,"langid":"en","title":"Medical Imaging","display_title":"Medical Imaging","namespace":"CATEGORY","summary":"Repair information for medical imaging devices. 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