{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,27]],"date-time":"2026-07-27T04:01:23Z","timestamp":1785124883951,"version":"3.55.0"},"reference-count":33,"publisher":"Akademiai Kiado Zrt.","issue":"30","license":[{"start":{"date-parts":[[2026,7,26]],"date-time":"2026-07-26T00:00:00Z","timestamp":1785024000000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["www.akjournals.com"],"crossmark-restriction":true},"short-container-title":["OH"],"published-print":{"date-parts":[[2026,7,26]]},"abstract":"A mellkasi komputertomogr\u00e1fia a pulmonalis betegs\u00e9gek diagnosztik\u00e1j\u00e1nak alapvet\u0151\n k\u00e9palkot\u00f3 m\u00f3dszere. A hagyom\u00e1nyos, energiaintegr\u00e1l\u00f3 detektorral m\u0171k\u00f6d\u0151\n rendszerek azonban fizikai korl\u00e1tokkal rendelkeznek: a t\u00e9rbeli felbont\u00e1s\n limit\u00e1lt, az elektronikus zaj jelenl\u00e9te, valamint a kis d\u00f3zis\u00fa vizsg\u00e1latok sor\u00e1n\n roml\u00f3 k\u00e9pmin\u0151s\u00e9g egyes klinikai helyzetekben cs\u00f6kkentheti a diagnosztikus\n pontoss\u00e1got. A fotonsz\u00e1ml\u00e1l\u00f3 detektoros komputertomogr\u00e1fia \u00faj technol\u00f3giai\n megk\u00f6zel\u00edt\u00e9st k\u00e9pvisel, amely az egyes r\u00f6ntgenfotonok egyedi detekt\u00e1l\u00e1s\u00e1n \u00e9s\n energiaszint szerinti oszt\u00e1lyoz\u00e1s\u00e1n alapul. Ennek k\u00f6sz\u00f6nhet\u0151en javul a\n d\u00f3zishat\u00e9konys\u00e1g, cs\u00f6kken a k\u00e9pzaj, n\u0151 a t\u00e9rbeli felbont\u00e1s, \u00e9s egyetlen\n adatgy\u0171jt\u00e9sb\u0151l spektr\u00e1lis inform\u00e1ci\u00f3 is nyerhet\u0151. A jelen \u00f6sszefoglal\u00f3 c\u00e9lja a\n fotonsz\u00e1ml\u00e1l\u00f3 detektoros komputertomogr\u00e1fia szerep\u00e9nek \u00e1ttekint\u00e9se a pulmonalis\n k\u00e9palkot\u00e1sban. A rendelkez\u00e9sre \u00e1ll\u00f3 irodalmi adatok alapj\u00e1n a technol\u00f3gia\n k\u00fcl\u00f6n\u00f6sen el\u0151ny\u00f6s a kis m\u00e9ret\u0171 pulmonalis nodulusok, a subsolid \u00e9s\n tej\u00fcveghom\u00e1lyos elv\u00e1ltoz\u00e1sok, valamint az interstitialis t\u00fcd\u0151betegs\u00e9gek finom\n morfol\u00f3giai jeleinek megjelen\u00edt\u00e9s\u00e9ben. Emellett r\u00e9szletesebb \u00e1br\u00e1zol\u00e1st tesz\n lehet\u0151v\u00e9 infekt\u00edv, vascularis \u00e9s traum\u00e1s eredet\u0171 elt\u00e9r\u00e9sek eset\u00e9n is. A\n spektr\u00e1lis k\u00e9palkot\u00e1s \u2013 bele\u00e9rtve a virtu\u00e1lis monoenergetikus rekonstrukci\u00f3kat\n \u00e9s a j\u00f3dt\u00e9rk\u00e9peket \u2013 kieg\u00e9sz\u00edt\u0151 funkcion\u00e1lis inform\u00e1ci\u00f3t ny\u00fajthat a perf\u00fazi\u00f3s\n viszonyokr\u00f3l, a sz\u00f6veti karakteriz\u00e1l\u00e1sr\u00f3l \u00e9s a ter\u00e1pi\u00e1s v\u00e1lasz meg\u00edt\u00e9l\u00e9s\u00e9r\u0151l. A\n m\u00f3dszer intervenci\u00f3s alkalmaz\u00e1sok sor\u00e1n szint\u00e9n \u00edg\u00e9retes, mivel jav\u00edthatja a\n c\u00e9lzott elt\u00e9r\u00e9sek \u00e9s a beavatkoz\u00f3 eszk\u00f6z\u00f6k k\u00f6rnyezet\u00e9nek meg\u00edt\u00e9l\u00e9s\u00e9t.\n \u00d6sszess\u00e9g\u00e9ben a fotonsz\u00e1ml\u00e1l\u00f3 detektoros komputertomogr\u00e1fia jelent\u0151s\n technol\u00f3giai el\u0151rel\u00e9p\u00e9st k\u00e9pvisel a t\u00fcd\u0151k\u00e9palkot\u00e1sban. Sz\u00e9les k\u00f6r\u0171 elterjed\u00e9s\u00e9t\n jelenleg m\u00e9g korl\u00e1tozza a hozz\u00e1f\u00e9rhet\u0151s\u00e9g, a k\u00f6lts\u00e9gek, valamint az elt\u00e9r\u0151\n rendszerek k\u00f6z\u00f6tti \u00f6sszehasonl\u00edthat\u00f3s\u00e1g k\u00e9rd\u00e9se. A jelenlegi adatok alapj\u00e1n\n azonban v\u00e1rhat\u00f3, hogy a m\u00f3dszer a j\u00f6v\u0151ben egyre meghat\u00e1roz\u00f3bb szerepet t\u00f6lt be a\n pulmonalis diagnosztik\u00e1ban. Orv Hetil. 2026; 167(30): 1186\u20131198.<\/jats:p>","DOI":"10.1556\/650.2026.33603","type":"journal-article","created":{"date-parts":[[2026,7,27]],"date-time":"2026-07-27T03:27:30Z","timestamp":1785122850000},"page":"1186-1198","update-policy":"https:\/\/doi.org\/10.1556\/policypage.crossmark.crossref.2","source":"Crossref","is-referenced-by-count":0,"title":["A fotonsz\u00e1ml\u00e1l\u00f3 CT-technol\u00f3gia szerepe a pulmonalis k\u00f3rk\u00e9pek kimutat\u00e1s\u00e1ban"],"prefix":"10.1556","volume":"167","author":[{"given":"M\u00e1ty\u00e1s","family":"R\u00e9dei","sequence":"first","affiliation":[{"name":"Semmelweis Egyetem, \u00c1ltal\u00e1nos Orvostudom\u00e1nyi Kar, Orvosi K\u00e9palkot\u00f3 Klinika, Radiol\u00f3gia Tansz\u00e9k Budapest, Kor\u00e1nyi S. u. 2., 1083 Magyarorsz\u00e1g"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kriszta Be\u00e1ta","family":"Gurza","sequence":"additional","affiliation":[{"name":"Semmelweis Egyetem, \u00c1ltal\u00e1nos Orvostudom\u00e1nyi Kar, Orvosi K\u00e9palkot\u00f3 Klinika, Radiol\u00f3gia Tansz\u00e9k Budapest, Kor\u00e1nyi S. u. 2., 1083 Magyarorsz\u00e1g"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"P\u00e1l","family":"Maurovich-Horvat","sequence":"additional","affiliation":[{"name":"Semmelweis Egyetem, \u00c1ltal\u00e1nos Orvostudom\u00e1nyi Kar, Orvosi K\u00e9palkot\u00f3 Klinika, Radiol\u00f3gia Tansz\u00e9k Budapest, Kor\u00e1nyi S. u. 2., 1083 Magyarorsz\u00e1g"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7351-6361","authenticated-orcid":true,"given":"Nikolett","family":"Marton","sequence":"additional","affiliation":[{"name":"Semmelweis Egyetem, \u00c1ltal\u00e1nos Orvostudom\u00e1nyi Kar, Orvosi K\u00e9palkot\u00f3 Klinika, Radiol\u00f3gia Tansz\u00e9k Budapest, Kor\u00e1nyi S. u. 2., 1083 Magyarorsz\u00e1g"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"425","reference":[{"key":"R1","doi-asserted-by":"crossref","unstructured":"Willemink MJ, de Jong PA, Leiner T, et al. 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