{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,1]],"date-time":"2026-02-01T11:41:33Z","timestamp":1769946093849,"version":"3.49.0"},"reference-count":30,"publisher":"FapUNIFESP (SciELO)","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Arq. Bras. Med. Vet. Zootec."],"published-print":{"date-parts":[[2013,6]]},"abstract":"<jats:p>O presente estudo teve como principais objetivos conhecer a taxa de ocorr\u00eancia de les\u00f5es melanoc\u00edticas (melanose, melanocitomas e melanomas) em su\u00ednos abatidos para consumo e identificar poss\u00edveis padr\u00f5es de distin\u00e7\u00e3o e de classifica\u00e7\u00e3o macrosc\u00f3pica dessas les\u00f5es. Para tal, procedeu-se \u00e0 recolha de les\u00f5es melanoc\u00edticas em matadouro, durante oito meses, e \u00e0 sua avalia\u00e7\u00e3o macrosc\u00f3pica e microsc\u00f3pica. Os resultados deste estudo demonstraram que as melanoses foram as les\u00f5es melanoc\u00edticas mais frequentemente encontradas (74,04%) e que, relativamente \u00e0s les\u00f5es tumorais, os melanomas (malignos) foram os mais frequentes (21,15%) comparativamente com os melanocitomas (benignos) (4,81%). Pela an\u00e1lise comparativa das caracter\u00edsticas macrosc\u00f3picas e microsc\u00f3picas, verificou-se que, nem sempre, por uma avalia\u00e7\u00e3o macrosc\u00f3pica, \u00e9 poss\u00edvel a distin\u00e7\u00e3o entre essas les\u00f5es (melanoses, melanocitomas e melanomas). No entanto, identificaram-se, neste estudo, algumas caracter\u00edsticas sugestivas da malignidade, como: o tamanho superior a 2,5cm, a presen\u00e7a de ulcera\u00e7\u00e3o, a liberta\u00e7\u00e3o de pigmento negro e a presen\u00e7a de colora\u00e7\u00e3o negra do g\u00e2nglio linf\u00e1tico regional. \u00c9, portanto, de extrema import\u00e2ncia a observa\u00e7\u00e3o criteriosa e sistem\u00e1tica dessas les\u00f5es, para a avalia\u00e7\u00e3o das suas caracter\u00edsticas, uma vez que a decis\u00e3o sanit\u00e1ria \u00e9 diferente consoante se trate de uma melanose, de um tumor maligno ou de um tumor benigno.<\/jats:p>","DOI":"10.1590\/s0102-09352013000300026","type":"journal-article","created":{"date-parts":[[2013,7,17]],"date-time":"2013-07-17T10:54:05Z","timestamp":1374058445000},"page":"783-791","source":"Crossref","is-referenced-by-count":6,"title":["Les\u00f5es melanoc\u00edticas em su\u00ednos abatidos para consumo"],"prefix":"10.1590","volume":"65","author":[{"given":"C.","family":"Teixeira","sequence":"first","affiliation":[{"name":"Universidade de Tr\u00e1s-os-Montes e Alto Douro,  Portugal"}]},{"given":"I.","family":"Pires","sequence":"additional","affiliation":[{"name":"Universidade de Tr\u00e1s-os-Montes e Alto Douro,  Portugal"}]},{"given":"S.","family":"Ferreira","sequence":"additional","affiliation":[{"name":"Universidade de Tr\u00e1s-os-Montes e Alto Douro,  Portugal"}]},{"given":"M.","family":"Vieira-Pinto","sequence":"additional","affiliation":[{"name":"Universidade de Tr\u00e1s-os-Montes e Alto Douro,  Portugal"}]}],"member":"530","reference":[{"issue":"64","key":"ref1","first-page":"1","article-title":"Melanic tumors in comparative oncology","author":"BABA A.I.","year":"2007","journal-title":"Bulletin USAMV-CN"},{"key":"ref2","doi-asserted-by":"crossref","first-page":"10652","DOI":"10.1158\/0008-5472.CAN-06-0921","article-title":"Markers and tissue resources for melanoma: meeting report","volume":"66","author":"BECKER D.","year":"2006","journal-title":"Cancer Res.","ISSN":"https:\/\/id.crossref.org\/issn\/0008-5472","issn-type":"print"},{"key":"ref3","first-page":"301","article-title":"Melanocytic cutaneous lesions and melanotic regional lymph nodes in slaughter swine","volume":"54","author":"BUNDZA A.","year":"1990","journal-title":"Can. 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