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Hemangioma cavernoso : o papel da ecografia

Authors: Barata, Rui Francisco Furtado Dias, 1992-;

Hemangioma cavernoso : o papel da ecografia

Abstract

O hemangioma cavernoso é o tumor orbitário benigno mais comum em adultos e é a lesão vascular da órbita mais frequente, afetando predominantemente indivíduos entre os 40 e 60 anos. Frequentemente tem uma localização intracónica, com um crescimento lento, sendo as suas manifestações decorrentes da compressão das estruturas vizinhas. Apesar de a ecografia orbitária ser muitas vezes utilizada como primeiro meio complementar de diagnóstico, a quase totalidade dos doentes necessita da realização de um exame subsequente com mais sensibilidade e especificidade, nomeadamente a TC ou RMN, para melhor esclarecimento etiológico. No entanto, no caso clínico apresentado, a ordem inverte-se – o doente realizou inicialmente uma TC CE por dor maxilar, que revelou uma massa orbitária com características inespecíficas. Posteriormente, foi realizada ecografia ocular, onde se identificaram características compatíveis com o diagnóstico de hemangioma cavernoso. Deste modo, o presente trabalho pretende, não só, demonstrar a importância da ecografia no diagnóstico do hemangioma cavernoso, mas também enumerar algumas estratégias que permitem aumentar a sensibilidade e especificidade deste exame.

Cavernous hemangioma is the most common benign orbital tumor in adults and is the most common orbital vascular lesion, being most commonly diagnosed between the ages of 40 and 60 years. It has often an intraconal location, with slow growth, with its manifestations being due to compression of neighboring structures. Although ocular ultrasound is often used as the first diagnostic tool, almost all patients need to perform a subsequent exam with greater sensitivity and specificity, in particular CT or MRI, for a better etiological clarification. In the case presented in this paper, however, this order is reversed - the patient was initially submitted to a cranial CT scan due to jaw pain, which revealed an orbital mass with nonspecific features. Subsequently, an ocular ultrasound was performed, where characteristics consistent with a cavernous hemangioma were observed. Therefore, this work aims not only to demonstrate the importance of ultrasound in the diagnosis of cavernous hemangioma, but also to enumerate some strategies that may increase the sensitivity and specificity of this test.

Trabalho Final do Curso de Mestrado Integrado em Medicina, Faculdade de Medicina, Universidade de Lisboa, 2016

Country
Portugal
Related Organizations
Keywords

Domínio/Área Científica::Ciências Médicas, Oftalmologia, Ultrassonografia, Órbita, Hemangioma cavernoso

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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