{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T13:18:21Z","timestamp":1760188701464},"reference-count":18,"publisher":"FapUNIFESP (SciELO)","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Arq. Gastroenterol."],"published-print":{"date-parts":[[2005,12]]},"abstract":"<jats:p>RACIONAL: A endosonografia anorretal constitui-se atualmente no principal exame de imagem para avaliar algumas das afec\u00e7\u00f5es anorretais. OBJETIVO: Demonstrar a import\u00e2ncia do ultra-som tridimensional na avalia\u00e7\u00e3o anat\u00f4mica do canal anal e no diagn\u00f3stico de afec\u00e7\u00f5es anorretais. M\u00c9TODO: Foram realizados 74 exames, sendo 23 pacientes normais (13 mulheres) e 51 com afec\u00e7\u00f5es benignas e malignas (33 mulheres). Foi utilizado um aparelho de ultra-som com transdutor tridimensional 360\u00b0. Os indiv\u00edduos normais foram avaliados em plano sagital mediano, com rela\u00e7\u00e3o ao comprimento do canal anal, do esf\u00edncter anal interno, do esf\u00edncter anal externo e do defeito anat\u00f4mico, no quadrante anterior. RESULTADOS: Comparando homens normais com as mulheres, n\u00e3o houve diferen\u00e7as no comprimento m\u00e9dio do canal anal e do esf\u00edncter anal interno. J\u00e1 o comprimento m\u00e9dio do esf\u00edncter anal externo \u00e9 maior no homem e o defeito anat\u00f4mico anterior \u00e9 maior na mulher. Nos doentes com afec\u00e7\u00f5es anorretais, foram diagnosticadas 11 les\u00f5es esfincterianas, 8 f\u00edstulas anais, 7 abscessos, 1 endometriose perirretal, 1 cisto pr\u00e9-sacral, 3 tumores no canal anal e 10 no reto. Houve coincid\u00eancia entre os achados cir\u00fargicos e ultra-sonogr\u00e1ficos em todos os pacientes operados. CONCLUS\u00c3O: A avalia\u00e7\u00e3o ultra-sonogr\u00e1fica tridimensional evidenciou as diferen\u00e7as anat\u00f4micas entre os sexos, justificando a maior freq\u00fc\u00eancia de dist\u00farbios do assoalho p\u00e9lvico no sexo feminino. Diagnosticou as afec\u00e7\u00f5es anorretais em m\u00faltiplos planos com elevada resolu\u00e7\u00e3o espacial, adicionando informa\u00e7\u00f5es importantes para a decis\u00e3o terap\u00eautica, assemelhando-se \u00e0 resson\u00e2ncia nuclear magn\u00e9tica com bobina intra-retal, com a vantagem de ser mais f\u00e1cil, mais r\u00e1pido, de baixo custo e com melhor toler\u00e2ncia.<\/jats:p>","DOI":"10.1590\/s0004-28032005000400007","type":"journal-article","created":{"date-parts":[[2006,2,10]],"date-time":"2006-02-10T14:05:59Z","timestamp":1139580359000},"page":"226-232","source":"Crossref","is-referenced-by-count":18,"title":["Import\u00e2ncia do ultra-som tridimensional na avalia\u00e7\u00e3o anorretal"],"prefix":"10.1590","volume":"42","author":[{"given":"Sthela Maria Murad","family":"Regadas","sequence":"first","affiliation":[{"name":"Hospital S\u00e3o Carlos"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Francisco Sergio P.","family":"Regadas","sequence":"additional","affiliation":[{"name":"Universidade Federal do Cear\u00e1"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lusmar Veras","family":"Rodrigues","sequence":"additional","affiliation":[{"name":"Universidade Federal do Cear\u00e1"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Flavio Roberto","family":"Silva","sequence":"additional","affiliation":[{"name":"Hospital S\u00e3o Carlos"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Doryane Maria dos Reis","family":"Lima","sequence":"additional","affiliation":[{"name":"Hospital S\u00e3o Carlos"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Francisco Sergio Pinheiro","family":"Regadas-Filho","sequence":"additional","affiliation":[{"name":"Universidade Cat\u00f3lica de Bras\u00edlia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"530","reference":[{"key":"ref1","doi-asserted-by":"crossref","first-page":"680","DOI":"10.1007\/BF02234150","article-title":"Use of anal endosonography in diagnosis of endometriosis of the external anal sphincter","volume":"42","author":"Baker H","year":"1991","journal-title":"Dis Colon Rectum","ISSN":"http:\/\/id.crossref.org\/issn\/0012-3706","issn-type":"print"},{"key":"ref2","first-page":"99","article-title":"Anal ultrasonography in the evaluation of fecal incontinence","volume":"6","author":"Blatchford GJ","year":"1995","journal-title":"Sem Colon Rectal Surg"},{"key":"ref3","doi-asserted-by":"crossref","first-page":"1158","DOI":"10.1007\/BF02052266","article-title":"Anal endosonography for recurrent anal fistulas: image enhancement with hydrogen peroxide","volume":"36","author":"Cheong DM","year":"1993","journal-title":"Dis Colon Rectum","ISSN":"http:\/\/id.crossref.org\/issn\/0012-3706","issn-type":"print"},{"key":"ref4","doi-asserted-by":"crossref","first-page":"341","DOI":"10.1007\/s10350-003-0056-z","article-title":"Three-dimensional anal endosonography may improve staging of anal cancer compared with two - dimensional endosonography","volume":"47","author":"Christensen AF","year":"2004","journal-title":"Dis Colon Rectum","ISSN":"http:\/\/id.crossref.org\/issn\/0012-3706","issn-type":"print"},{"key":"ref5","doi-asserted-by":"crossref","first-page":"365","DOI":"10.1046\/j.1365-2168.1999.01041.x","article-title":"Three-dimensional endoanal sonography in assessing anal canal injury","volume":"86","author":"Gold DM","year":"1999","journal-title":"Br J Surg","ISSN":"http:\/\/id.crossref.org\/issn\/0007-1323","issn-type":"print"},{"key":"ref6","doi-asserted-by":"crossref","first-page":"152","DOI":"10.1007\/BF00341236","article-title":"Transanorectal ultrasonography in the staging of anal epidermoid carcinoma","volume":"6","author":"Goldman S","year":"1991","journal-title":"Int J Colorectal Dis."},{"key":"ref7","doi-asserted-by":"crossref","first-page":"1186","DOI":"10.1007\/BF00591047","article-title":"Endoanal ultrasonography in the follow-up of anal carcinoma","volume":"8","author":"Herzog U","year":"1994","journal-title":"Surg Endosc","ISSN":"http:\/\/id.crossref.org\/issn\/0930-2794","issn-type":"print"},{"key":"ref8","doi-asserted-by":"crossref","first-page":"42","DOI":"10.1007\/BF02553906","article-title":"Preoperative staging of rectal cancer by intrarectal ultrasound","volume":"28","author":"Hildebrant U","year":"1985","journal-title":"Dis Colon Rectum","ISSN":"http:\/\/id.crossref.org\/issn\/0012-3706","issn-type":"print"},{"key":"ref9","doi-asserted-by":"crossref","first-page":"1005","DOI":"10.1007\/s004640000345","article-title":"Prospective comparison of endorectal ultrasound, three-dimensional endorectal ultrasound and endorectal MRI in the preoperative evaluation of rectal tumors","volume":"14","author":"Hunerbein M","year":"2000","journal-title":"Preliminary results. 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