tumores glômicos subungueais: achados de imagem subungual glomus tumors: imaging findings
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ID: 132106
2009
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Abstract
OBJETIVO: Analisar os principais aspectos de imagem dos tumores glômicos subungueais. MATERIAIS E MÉTODOS: Realizado estudo retrospectivo de oito casos de tumores glômicos subungueais, pertencentes a arquivos de duas clínicas particulares de Goiânia, GO, Brasil. Foram obtidas radiografias em cinco casos, ultrassonografia com Doppler em seis casos e ressonância magnética em cinco casos. RESULTADOS: A idade média de acometimento no presente estudo foi de 39 anos, com predomínio do sexo feminino, na proporção de 7:1. Os tumores não apresentaram predileção por nenhum dedo e a maioria localizava-se na região subungueal mediana. A radiografia foi positiva em três casos, demonstrando erosões de pressão. A ultrassonografia com Doppler foi positiva em cinco casos, evidenciando nódulo sólido, hipoecoico e hipervascularizado. A ressonância magnética, em todos os casos, demonstrou nódulo sólido com hipossinal em T1, hipersinal em T2 e captação homogênea do meio de contraste. Em todos os pacientes foi realizada excisão cirúrgica com confirmação anatomopatológica. CONCLUSÃO: A maioria dos tumores glômicos tem localização subungueal. O diagnóstico é clínico, porém geralmente tardio. Os métodos de imagem auxiliam no diagnóstico precoce, além auxiliar no planejamento terapêutico, cujo tratamento de escolha é a excisão cirúrgica.
OBJECTIVE: To evaluate main imaging findings of subungual glomus tumors. MATERIALS AND METHODS: Retrospective study of eight cases of subungual glomus tumors from the archives of two private clinics in Goiânia, GO, Brazil. Plain radiographs were obtained in five cases, Doppler ultrasonography in five, and magnetic resonance imaging in five cases. RESULTS: Mean age of the patients included in the present study was 39 years, with female predominance (7:1). Tumors didn't present prevalence in any specific finger and in most of cases the tumor was located in the medial subungual region. Plain radiography was positive in five cases, demonstrating pressure erosion. Doppler ultrasonography was positive in five cases, demonstrating a hypoechoic and hypervascularized solid nodule. Magnetic resonance imaging was positive in all of the cases, showing a solid nodule, hypointense on T1-, hyperintense on T2-weighted image, with homogeneous contrast uptake. All the patients underwent surgical excision of the lesion with histopathological confirmation. CONCLUSION: In most of cases, glomus tumors are subungual. The diagnosis is clinical and generally is lately achieved. Imaging methods are useful tools for the early diagnosis besides aiding in the surgical planning, considering that the treatment of choice is surgical excision.
OBJECTIVE: To evaluate main imaging findings of subungual glomus tumors. MATERIALS AND METHODS: Retrospective study of eight cases of subungual glomus tumors from the archives of two private clinics in Goiânia, GO, Brazil. Plain radiographs were obtained in five cases, Doppler ultrasonography in five, and magnetic resonance imaging in five cases. RESULTS: Mean age of the patients included in the present study was 39 years, with female predominance (7:1). Tumors didn't present prevalence in any specific finger and in most of cases the tumor was located in the medial subungual region. Plain radiography was positive in five cases, demonstrating pressure erosion. Doppler ultrasonography was positive in five cases, demonstrating a hypoechoic and hypervascularized solid nodule. Magnetic resonance imaging was positive in all of the cases, showing a solid nodule, hypointense on T1-, hyperintense on T2-weighted image, with homogeneous contrast uptake. All the patients underwent surgical excision of the lesion with histopathological confirmation. CONCLUSION: In most of cases, glomus tumors are subungual. The diagnosis is clinical and generally is lately achieved. Imaging methods are useful tools for the early diagnosis besides aiding in the surgical planning, considering that the treatment of choice is surgical excision.
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montandon2009radiologiatumores
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| Authors | ;Cristiano Montandon;Juliana da Cunha Costa;Lorena Andrade Dias;Fernando Henrique Abrão Alves da Costa;Ana Carolina Mendes da Costa;Renato Tavares Daher;Marcelo Eustáquio Montandon Jr |
| Journal | india international conference on information processing, iicip 2016 - proceedings |
| Year | 2009 |
| DOI |
10.1590/S0100-39842009000600010
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