2003
DOI: 10.1007/s005950300047
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The Diagnostic Value of Endoscopic Ultrasonography and Magnetic Resonance Imaging for Anorectal Malignant Melanoma: Report of a Case

Abstract: A 74-year-old Japanese woman presented with a 3-month history of anal bleeding. Proctoscopy revealed an unusual polypoid lesion with focal pigmentation at the dentate line, which was histologically diagnosed as a malignant melanoma. Whole-body clinical and radiographic evaluations revealed no alternative primary source. Endoscopic ultrasonography (EUS) showed well-delineated hypoechoic tumors invading the muscularis propria, and magnetic resonance imaging (MRI) revealed regional lymphadenopathy. Following this… Show more

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Cited by 26 publications
(20 citation statements)
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“…3,4,14 In our case 1, two metastatic lymph nodes contained an internal pooled hemorrhage, which was shown as a high-intensity signal on MRI.…”
Section: Discussionmentioning
confidence: 89%
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“…3,4,14 In our case 1, two metastatic lymph nodes contained an internal pooled hemorrhage, which was shown as a high-intensity signal on MRI.…”
Section: Discussionmentioning
confidence: 89%
“…14,15 However, an accurate comparison between MRI, ultrasound, and other modalities has not yet been obtained, due to the small number of cases. If a tumor is not bulky and is confined within the intestinal wall, endoluminal ultrasound would be the diagnostic method of choice.…”
Section: Discussionmentioning
confidence: 97%
“…O melanoma anorretal é mais comum entre a sexta e oitava décadas de vida (5,(14)(15)(16) , alguns autores (12) tiveram a oportunidade de diagnosticar a doença em indivíduos de 23 anos, outros (13) em pacientes com 91 anos. Em nossos relatos de casos a idade dos pacientes foi 53 e 61 anos, o que vem de encontro à faixa etária mais prevalente.…”
Section: Câncer De Canal Analunclassified
“…Após o estadiamento, faz-se necessário uma ampla explanação ao paciente sobre procedimentos, riscos, possibilidade de colostomia e das opções terapêuticas; infelizmente não há consenso na literatura no que tange ao tratamento (1)(2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12)(13)(14)(15) . Um gama de procedimentos de menor ou maior amplitude é descrito como a excisão local ampliada, amputação abdomino perineal do reto, exenteração pélvica, radio e quimioterapia (23) , ressecções alargadas, injeção local de interferom beta e a braquiterapia (24) entre outros (2) .…”
Section: Câncer De Canal Analunclassified
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