{"id":238,"date":"2025-04-21T21:17:48","date_gmt":"2025-04-21T12:17:48","guid":{"rendered":"https:\/\/www.den.hokudai.ac.jp\/kouge1\/wordpress\/?p=238"},"modified":"2025-04-21T21:17:49","modified_gmt":"2025-04-21T12:17:49","slug":"pet-ct","status":"publish","type":"post","link":"https:\/\/www.den.hokudai.ac.jp\/kouge1\/research\/238","title":{"rendered":"PET CT"},"content":{"rendered":"\n<h2 class=\"wp-block-sgb-headings sgb-heading\" id=\"i-0\"><span class=\"sgb-heading__inner sgb-heading--type1 with-icon\" style=\"background-color:transparent;border-color:transparent;font-size:1.2em\"><i class=\"fa fa-check\" style=\"color:var(--wp--preset--color--sango-main)\"><\/i><span class=\"sgb-heading__text\" style=\"color:#333\">\u306f\u3058\u3081\u306b<\/span><\/span><\/h2>\n\n\n\n<p>2002 \u5e74\u30d5\u30eb\u30aa\u30ed\u30c7\u30aa\u30ad\u30b7\u30b0\u30eb\u30b3\u30fc\u30b9(FDG)\u3092\u7528\u3044\u308bPET\u691c\u67fb\u306e\u5065\u5eb7\u4fdd\u5065\u9069\u7528\u304c\u8a8d\u3081\u3089\u308c\u7d0412\u5e74\u304c\u7d4c\u904e\u3057\u307e\u3057\u305f\u304c\u3001\u305d\u306e\u9593\u306bFDG-PET\u691c\u67fb\u304c\u98db\u8e8d\u7684\u306b\u5168\u56fd\u306b\u666e\u53ca\u3057\u3066\u304d\u307e\u3057\u305f\u3002\u307e\u305f\u672c\u5e74\u306b\u306f\u3001FDG\u306e\u30c7\u30ea\u30d0\u30ea\u30fc\u304c\u4fdd\u967a\u9069\u5fdc\u306b\u306a\u308a\u30b5\u30a4\u30af\u30ed\u30c8\u30ed\u30f3\u65bd\u8a2d\u306a\u3057\u3067\u3082FDG\u306e\u4f9b\u7d66\u4f53\u5236\u304c\u6574\u3063\u305f\u3053\u3068\u304b\u3089\u3001\u4eca\u5f8c\u691c\u67fb\u306f\u3055\u3089\u306b\u5897\u52a0\u3059\u308b\u3068\u898b\u8fbc\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u79c1\u5171\u306f1994\u5e74\u3088\u308a\u53e3\u8154\u60aa\u6027\u816b\u760d\u306ePET\u7814\u7a76\u3092\u884c\u3063\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>PET\u306b\u3088\u308a\u5f93\u6765\u306e\u5f62\u614b\u8a3a\u65ad\u3067\u306f\u5f97\u3089\u308c\u306a\u3044\u30d6\u30c9\u30a6\u7cd6\u306e\u4ee3\u8b1d\u6d3b\u6027(viability)\u3092\u53cd\u6620\u3059\u308b\u5168\u8eab\u306e\u6a5f\u80fd\u753b\u50cf\u304c\u5f97\u3089\u308c\u3001\u816b\u760d\u306e\u5b58\u5728\u8a3a\u65ad\u3001\u75c5\u671f\u5206\u985e\u3001\u6cbb\u7642\u52b9\u679c\u5224\u5b9a\u3001\u518d\u767a\u306e\u65e9\u671f\u8a3a\u65ad\u306a\u3069\u81e8\u5e8a\u4e0a\u591a\u304f\u306e\u6709\u76ca\u306a\u60c5\u5831\u304c\u5f97\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u3053\u3067\u306f\u3001\u653e\u5c04\u7dda\u4f75\u7528\u52d5\u6ce8\u5316\u5b66\u7642\u6cd5(\u30b1\u30e2\u30e9\u30b8)\u3092PET\u3067\u8a55\u4fa1\u3057\u3001\u4f4e\u4fb5\u8972\u624b\u8853\u306b\u3088\u308a\u5b9f\u969b\u306b\u53e3\u8154\u6a5f\u80fd\u3084\u5668\u5b98\u6e29\u5b58\u304c\u53ef\u80fd\u306b\u306a\u3063\u3066\u304d\u3066\u3044\u307e\u3059\u306e\u3067\u81e8\u5e8a\u4f8b\u3092\u7d39\u4ecb\u3057\u3001PET\u306e\u6709\u7528\u6027\u306b\u3064\u3044\u3066\u307e\u3068\u3081\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u56f31 \u53e3\u5e95\u764c \u6cbb\u7642\u524d<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"350\" height=\"218\" src=\"https:\/\/www.den.hokudai.ac.jp\/kouge1\/wordpress\/wp-content\/uploads\/2025\/04\/pet_ct_01.jpg\" alt=\"\" class=\"wp-image-239\" srcset=\"https:\/\/www.den.hokudai.ac.jp\/kouge1\/wp-content\/uploads\/2025\/04\/pet_ct_01.jpg 350w, https:\/\/www.den.hokudai.ac.jp\/kouge1\/wp-content\/uploads\/2025\/04\/pet_ct_01-300x187.jpg 300w\" sizes=\"auto, (max-width: 350px) 100vw, 350px\"><\/figure>\n\n\n\n<p>\u56f32 \u53e3\u5e95\u764c \u6cbb\u7642\u524d: \u6a5f\u80fd\u753b\u50cf(PET)\u3068\u5f62\u614b\u753b\u50cf(MR)\u304c\u4e00\u81f4<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"263\" src=\"https:\/\/www.den.hokudai.ac.jp\/kouge1\/wordpress\/wp-content\/uploads\/2025\/04\/pet_ct_02.jpg\" alt=\"\" class=\"wp-image-240\"><\/figure>\n\n\n\n<p>FDG-PET\u753b\u50cf\u306e\u816b\u760d\u691c\u51fa\u7387\u3092\u4ed6\u306e\u753b\u50cf\u3068\u6bd4\u8f03\u3057\u307e\u3057\u305f\u3002\u6cbb\u7642\u524d\u306ePET \u3067\u306f\u3001\u5168\u4f8b\u539f\u767a\u5de3\u306b\u4e00\u81f4\u3057\u305f\u90e8\u4f4d\u306bFDG\u306e\u7570\u5e38\u96c6\u7a4d\u3092\u793a\u3057\u307e\u3057\u305f\u3002PET\u306esensitivity 100%\u306b\u5bfe\u3057\u3001MR(78%)\u3001CT(68%)\u3067\u306f\u4f4e\u3044\u5024\u3067\u3057\u305f\u3002\u6bd4\u8f03\u7684\u5927\u304d\u3044\u816b\u760d\u3067\u306f\u6a5f\u80fd\u753b\u50cf\u306ePET \u3068\u5f62\u614b\u3092\u53cd\u6620\u3059\u308bmodality \u306eCT \u3084MR \u753b\u50cf\u3068\u304c\u5b8c\u5168\u306b\u4e00\u81f4\u3057\u3066\u3044\u307e\u3057\u305f(\u56f31, 2)\u3002\u3057\u304b\u3057\u3001\u65e9\u671f\u764c\u3084\u6d78\u6f64\u6027\u306e\u4e4f\u3057\u3044\u8868\u5728\u6027\u306e\u816b\u760d\u306a\u3069CT\u3084MR\u3067\u306f\u5b58\u5728\u7bc4\u56f2\u304c\u4e0d\u660e\u77ad\u306a\u5834\u5408\u3084\u691c\u51fa\u4e0d\u80fd\u3067\u507d\u9670\u6027\u3092\u5448\u3057\u305f\u75c7\u4f8b\u3067\u3082PET\u3067\u306f\u660e\u77ad\u306aFDG\u306e\u96c6\u7a4d\u3068\u3057\u3066\u63cf\u51fa\u3055\u308c\u307e\u3057\u305f\u3002\u307e\u305f\u3001CT\u3001MR\u3067\u306f\u30a2\u30fc\u30c1\u30d5\u30a1\u30af\u30c8\u306e\u305f\u3081\u75c5\u5909\u90e8\u306e\u63cf\u51fa\u304c\u3057\u3070\u3057\u3070\u56f0\u96e3\u306b\u306a\u308b\u3053\u3068\u3092\u7d4c\u9a13\u3057\u307e\u3059\u304c\u3001FDG-PET\u3067\u306f\u3053\u306e\u5f71\u97ff\u306f\u307b\u3068\u3093\u3069\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-sgb-headings sgb-heading\"><span class=\"sgb-heading__inner sgb-heading--type1 with-icon\" style=\"background-color:transparent;border-color:transparent;font-size:1.2em\"><i class=\"fa fa-check\" style=\"color:var(--wp--preset--color--sango-main)\"><\/i><span class=\"sgb-heading__text\" style=\"color:#333\">\u30b1\u30e2\u30e9\u30b8\u5f8c\u306e\u753b\u50cf\u8a55\u4fa1<\/span><\/span><\/p>\n\n\n\n<p>\u30b1\u30e2\u30e9\u30b8\u5f8c\u306e\u753b\u50cf\u6bd4\u8f03\u3067\u306f\u3001CT\u3001MR \u753b\u50cf\u3067\u306f\u7622\u75d5\u3001\u8089\u82bd\u7d44\u7e54\u306f\u6b8b\u5b58\u816b\u760d\u3068\u533a\u5225\u3067\u304d\u305a\u3001specificity \u306fCT(58.8 \uff05)\u3001MR(41.2%)\u3067\u4f4e\u5024\u3067\u3057\u305f\u304c\u3001PET(89.5%)\u3067\u306f\u7622\u75d5\u8089\u82bd\u7d44\u7e54\u3068\u6b8b\u5b58\u816b\u760d\u3092\u6b63\u78ba\u306b\u8b58\u5225\u53ef\u80fd(\u56f33, 4)\u3067\u3001\u8853\u524d\u306e\u9069\u5207\u306a\u6cbb\u7642\u65b9\u91dd\u6c7a\u5b9a\u306b\u6709\u7528\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u56f33 \u53e3\u5e95\u764c \u30b1\u30e2\u30e9\u30b8\u5f8c: \u816b\u760d\u306f\u8089\u773c\u7684\u306b\u3082\u7d44\u7e54\u5b66\u7684\u306b\u3082\u6d88\u5931<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"350\" height=\"218\" src=\"https:\/\/www.den.hokudai.ac.jp\/kouge1\/wordpress\/wp-content\/uploads\/2025\/04\/pet_ct_03.jpg\" alt=\"\" class=\"wp-image-241\" srcset=\"https:\/\/www.den.hokudai.ac.jp\/kouge1\/wp-content\/uploads\/2025\/04\/pet_ct_03.jpg 350w, https:\/\/www.den.hokudai.ac.jp\/kouge1\/wp-content\/uploads\/2025\/04\/pet_ct_03-300x187.jpg 300w\" sizes=\"auto, (max-width: 350px) 100vw, 350px\"><\/figure>\n\n\n\n<p>\u56f34 \u53e3\u5e95\u764c \u30b1\u30e2\u30e9\u30b8\u524d\u5f8c: MR\u3067\u306f\u30b1\u30e2\u30e9\u30b8\u5f8c\u306e\u8089\u82bd\u7d44\u7e54\u3001\u7622\u75d5\u7d44\u7e54\u3068\u6b8b\u5b58\u816b\u760d\u3092\u533a\u5225\u3067\u304d\u306a\u3044\u304c\u3001PET\u3067\u306fFDG\u306e\u96c6\u7a4d\u3092\u307f\u3068\u3081\u305a\u6b63\u78ba\u306b\u8a55\u4fa1\u53ef\u80fd(pathological CR)<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"263\" src=\"https:\/\/www.den.hokudai.ac.jp\/kouge1\/wordpress\/wp-content\/uploads\/2025\/04\/pet_ct_04.jpg\" alt=\"\" class=\"wp-image-242\"><\/figure>\n\n\n\n<p class=\"wp-block-sgb-headings sgb-heading\"><span class=\"sgb-heading__inner sgb-heading--type1 with-icon\" style=\"background-color:transparent;border-color:transparent;font-size:1.2em\"><i class=\"fa fa-check\" style=\"color:var(--wp--preset--color--sango-main)\"><\/i><span class=\"sgb-heading__text\" style=\"color:#333\">\u30ea\u30f3\u30d1\u7bc0\u8ee2\u79fb\u5de3\u306e\u691c\u51fa<\/span><\/span><\/p>\n\n\n\n<p>\u9838\u90e8\u30ea\u30f3\u30d1\u7bc0\u8ee2\u79fb\u306e\u6709\u7121\u306f\u6cbb\u7642\u3084\u4e88\u5f8c\u3092\u5de6\u53f3\u3059\u308b\u91cd\u8981\u306a\u56e0\u5b50\u3067\u3059\u3002\u73fe\u5728\u306e\u3068\u3053\u308d10mm\u4ee5\u4e0a\u306e\u30ea\u30f3\u30d1\u7bc0\u306fPET\u3067\u6b63\u78ba\u306a\u8a3a\u65ad\u304c\u53ef\u80fd\u306b\u306a\u3063\u3066\u304d\u307e\u3057\u305f\u300210mm\u4ee5\u4e0b\u306e\u5c0f\u3055\u3044\u75c5\u5909\u306f\u90e8\u5206\u5bb9\u7a4d\u52b9\u679c(partial volume effect)\u306b\u3088\u308aFDG\u306e\u96c6\u7a4d\u304c\u904e\u5c0f\u8a55\u4fa1\u3055\u308c\u308b\u305f\u3081\u3001\u8a3a\u65ad\u306b\u306f\u9650\u754c\u304c\u3042\u308a\u307e\u3059\u3002\u8ee2\u79fb\u967d\u6027\u9838\u90e8\u30ea\u30f3\u30d1\u7bc0\u306e40%\u306f10mm\u4ee5\u4e0b\u3067\u3042\u308b\u3068\u3044\u3046\u75c5\u7406\u7d44\u7e54\u5b66\u7684\u7814\u7a76\u5831\u544a\u3084\u3001\u521d\u8a3a\u6642\u306b\u5f93\u6765\u306e\u8a3a\u65ad\u3067N0(\u30ea\u30f3\u30d1\u7bc0\u8ee2\u79fb\u306a\u3057)\u3068\u8a3a\u65ad\u3055\u308c\u305f\u75c7\u4f8b\u306e20-30%\u304csubclinical\u306b\u30ea\u30f3\u30d1\u7bc0\u967d\u6027(occult \u30ea\u30f3\u30d1\u7bc0)\u3068\u306e\u5831\u544a\u3082\u3042\u308a\u3001\u3057\u3070\u3057\u3070\u4e88\u9632\u7684\u9838\u90e8\u90ed\u6e05\u8853\u304c\u9078\u629e\u3055\u308c\u3066\u304d\u307e\u3057\u305f\u3002\u4eca\u5f8cPET\u306e\u8a3a\u65ad\u80fd\u306e\u5411\u4e0a\u306b\u3088\u308a\u6b63\u78ba\u306a\u30ea\u30f3\u30d1\u7bc0\u306e\u8a55\u4fa1\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308c\u3070\u3001\u7121\u99c4\u306a\u9838\u90e8\u90ed\u6e05\u8853\u3092\u56de\u907f\u3057\u3001\u9069\u5207\u306a\u6cbb\u7642\u6cd5\u3001\u6b63\u78ba\u306a\u4e88\u5f8c\u306e\u8a55\u4fa1\u304c\u53ef\u80fd\u306b\u306a\u308b\u3068\u671f\u5f85\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u306e\u4ed6\u3001\u5f53\u79d1\u3067\u306f\u3001<br><strong>\u30fbPET \u306b\u3088\u308b\u6cbb\u7642\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0<br>\u30fb\u6cbb\u7642\u524dPET \u304b\u3089\u306e\u6cbb\u7642\u52b9\u679c\u306e\u4e88\u6e2c<br>\u30fb\u6cbb\u7642\u5f8cPET \u304b\u3089\u306e\u6b8b\u5b58\u816b\u760d\u306e\u8a55\u4fa1<br>\u30fbPET \u8a3a\u65ad\u306b\u57fa\u3065\u3044\u305f\u7e2e\u5c0f\u624b\u8853\u3068\u4e88\u5f8c\u306e\u4e88\u6e2c<br>\u30fbMET-PET\u3001FMISO-PET\u3092\u7528\u3044\u305f\u7814\u7a76<\/strong><\/p>\n\n\n\n<p>\u3092\u884c\u3063\u3066\u304a\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>2002 \u5e74\u30d5\u30eb\u30aa\u30ed\u30c7\u30aa\u30ad\u30b7\u30b0\u30eb\u30b3\u30fc\u30b9(FDG)\u3092\u7528\u3044\u308bPET\u691c\u67fb\u306e\u5065\u5eb7\u4fdd\u5065\u9069\u7528\u304c\u8a8d\u3081\u3089\u308c\u7d0412\u5e74\u304c\u7d4c\u904e\u3057\u307e\u3057\u305f\u304c\u3001\u305d\u306e\u9593\u306bFDG-PET\u691c\u67fb\u304c\u98db\u8e8d\u7684\u306b\u5168\u56fd\u306b\u666e\u53ca\u3057\u3066\u304d\u307e\u3057\u305f\u3002\u307e\u305f\u672c\u5e74\u306b\u306f\u3001FDG\u306e\u30c7\u30ea\u30d0\u30ea\u30fc\u304c\u4fdd\u967a\u9069\u5fdc\u306b &#8230; 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