{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,2,4]],"date-time":"2024-02-04T23:02:56Z","timestamp":1707087776902},"reference-count":17,"publisher":"FapUNIFESP (SciELO)","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Arq. Gastroenterol."],"published-print":{"date-parts":[[2003,6]]},"abstract":"<jats:p>RACIONAL: Com o advento da colonoscopia com magnifica\u00e7\u00e3o de imagem, tem se mostrado poss\u00edvel a identifica\u00e7\u00e3o da natureza histopatol\u00f3gica das les\u00f5es colorretais atrav\u00e9s de suas caracter\u00edsticas da forma que as gl\u00e2ndulas se abrem na superf\u00edcie da mucosa (PITS). Apesar de ser m\u00e9todo com alto \u00edndice de acur\u00e1cia para o diagn\u00f3stico diferencial entre les\u00f5es neopl\u00e1sicas e n\u00e3o-neopl\u00e1sicas, trata-se de equipamento especializado, de custos elevados, n\u00e3o dispon\u00edvel na grande maioria dos centros m\u00e9dicos. Diante dessa realidade, a colonoscopia convencional com cromoscopia vem adquirindo espa\u00e7o, pois acredita-se que pode reproduzir grande parte das informa\u00e7\u00f5es obtidas at\u00e9 ent\u00e3o pela colonoscopia com magnifica\u00e7\u00e3o de imagem. OBJETIVO: Determinar o papel da colonoscopia de alta resolu\u00e7\u00e3o com cromoscopia no diagn\u00f3stico diferencial entre p\u00f3lipos neopl\u00e1sicos e n\u00e3o-neopl\u00e1sicos atrav\u00e9s dos seguintes \u00edndices estat\u00edsticos: acur\u00e1cia, sensibilidade, especificidade, valores preditivos positivo e negativo. PACIENTES E M\u00c9TODO: Realizou-se estudo prospectivo, onde foram avaliadas 74 les\u00f5es polip\u00f3ides colorretais em 54 pacientes. Foi utilizado o colonosc\u00f3pio Olympus Exera CFQ 160L de alta resolu\u00e7\u00e3o. Ap\u00f3s identificadas, as les\u00f5es foram coradas com \u00edndigo carmim 0,2% e analisadas conforme classifica\u00e7\u00e3o descrita por Kudo, por um \u00fanico examinador. Ap\u00f3s ressecados, os p\u00f3lipos foram encaminhados para estudo anatomopatol\u00f3gico. RESULTADOS: Os achados endosc\u00f3picos foram comparados com os resultados histopatol\u00f3gicos. A acur\u00e1cia do m\u00e9todo foi de 79,7%, sensibilidade de 88,8%, especificidade de 55%, valor preditivo positivo de 84,2% e valor preditivo negativo de 64,7%. CONCLUS\u00c3O: Pode-se concluir que se deve ter cautela na aplica\u00e7\u00e3o cl\u00ednica da colonoscopia de alta resolu\u00e7\u00e3o com cromoscopia, pois les\u00f5es adenomatosas podem ser interpretadas como n\u00e3o-neopl\u00e1sicas.<\/jats:p>","DOI":"10.1590\/s0004-28032003000200007","type":"journal-article","created":{"date-parts":[[2005,4,15]],"date-time":"2005-04-15T14:20:45Z","timestamp":1113574845000},"page":"99-103","source":"Crossref","is-referenced-by-count":3,"title":["Colonoscopia de alta resolu\u00e7\u00e3o com cromoscopia no diagn\u00f3stico diferencial dos p\u00f3lipos neopl\u00e1sicos e n\u00e3o-neopl\u00e1sicos"],"prefix":"10.1590","volume":"40","author":[{"given":"Marcelo","family":"Averbach","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Esdras Camargo A.","family":"Zanoni","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Paulo A. F. 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