{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2022,4,3]],"date-time":"2022-04-03T15:04:45Z","timestamp":1648998285497},"reference-count":32,"publisher":"FapUNIFESP (SciELO)","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Arq. Gastroenterol."],"published-print":{"date-parts":[[2008,12]]},"abstract":"<jats:p>RACIONAL: A literatura m\u00e9dica aceita ressec\u00e7\u00e3o local como op\u00e7\u00e3o v\u00e1lida em casos selecionados de tumores de reto. A sele\u00e7\u00e3o dos pacientes requer exata estimativa dos riscos e avalia\u00e7\u00e3o pr\u00e9-operat\u00f3ria precisa, tanto no aspecto cl\u00ednico como histopatol\u00f3gico. OBJETIVO: Avaliar os resultados da microcirurgia endosc\u00f3pica transanal em seguimento de 18 meses. M\u00c9TODOS: De abril de 2002 a abril de 2006, 50 pacientes com tumores de reto foram submetidos a microcirurgia endosc\u00f3pica transanal, selecionados por suas caracter\u00edsticas cl\u00ednicas e histopatol\u00f3gicas. Os crit\u00e9rios de inclus\u00e3o foram: adenomas s\u00e9sseis maiores do que 3 cm e menores do que 8 cm n\u00e3o-circunferenciais; neoplasia intra-epitelial de alto grau; carcinoma retal pT1, e em casos especiais pT2. Todos esses tumores foram submetidos ao mesmo procedimento cir\u00fargico. RESULTADOS: O resultado histopatol\u00f3gico final revelou 9 adenomas, 26 neoplasias intra-epiteliais de alto grau, 13 carcinomas (9 pT1 e 4 pT2) e 2 carcin\u00f3ides. A menor idade foi de 25 anos e a maior de 92. O menor tumor ressecado tinha 64 mm\u00b2 (carcin\u00f3ide) e o maior (adenoma) 90 mm\u00b2. O tempo m\u00e9dio de opera\u00e7\u00e3o foi de 90 minutos e o de internamento 5 dias. Houve uma morte n\u00e3o relacionada ao m\u00e9todo. Um paciente com carcinoma de baixo risco pT1 apresentou recidiva 18 meses ap\u00f3s microcirurgia endosc\u00f3pica transanal e foi submetido a retossigmoidectomia curativa. Foi observado tumor residual em dois pacientes e a complica\u00e7\u00e3o mais grave foi uma f\u00edstula retovaginal. A taxa de complica\u00e7\u00e3o global foi de 9%. CONCLUS\u00c3O: Atualmente a microcirurgia endosc\u00f3pica transanal \u00e9 a t\u00e9cnica de escolha para o tratamento de adenomas s\u00e9sseis, neoplasias intra-epiteliais de alto grau e carcinoma retal pT1 de baixo risco.<\/jats:p>","DOI":"10.1590\/s0004-28032008000400003","type":"journal-article","created":{"date-parts":[[2009,1,14]],"date-time":"2009-01-14T19:09:41Z","timestamp":1231960181000},"page":"268-274","source":"Crossref","is-referenced-by-count":7,"title":["Microcirurgia endosc\u00f3pica transanal no tratamento dos tumores do reto: estudo prospectivo em 50 pacientes"],"prefix":"10.1590","volume":"45","author":[{"given":"Roberto da Silveira","family":"Moraes","sequence":"first","affiliation":[{"name":"UFPR"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Osvaldo","family":"Malafaia","sequence":"additional","affiliation":[{"name":"UFPR"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jos\u00e9 Ederaldo Queiroz","family":"Telles","sequence":"additional","affiliation":[{"name":"UFPR"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marcus Adriano","family":"Trippia","sequence":"additional","affiliation":[{"name":"UFPR"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gerhard F.","family":"Buess","sequence":"additional","affiliation":[{"name":"Eberhard-Karls University,  Alemanha"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J\u00falio Cezar Uilli","family":"Coelho","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"530","reference":[{"key":"ref1","doi-asserted-by":"crossref","first-page":"372","DOI":"10.1097\/00129689-200012000-00007","article-title":"Transanal Endoscopic Microsurgery for Excision of Rectal lesions: technique and initial results","volume":"10","author":"Azimuddin K","year":"2000","journal-title":"Surg Laparosc Endosc Percutan 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