RESUMO
Glomus tumors, especially with some definitive MR imaging features, are diagnosed easily. However, when two glomus tumors are suspected in one single mass, careful evaluation is necessary. We report one patient with two synchronous glomus tumors, ipsilateral glomus tumor of the carotid body and glomus vagale on the right neck, simulating a single mass.
Assuntos
Corpos Aórticos , Corpo Carotídeo , Tumor Glômico/diagnóstico , Neoplasias de Cabeça e Pescoço/diagnóstico , Angiografia , Diagnóstico Diferencial , Tumor Glômico/diagnóstico por imagem , Tumor Glômico/patologia , Tumor Glômico/cirurgia , Neoplasias de Cabeça e Pescoço/diagnóstico por imagem , Neoplasias de Cabeça e Pescoço/patologia , Neoplasias de Cabeça e Pescoço/cirurgia , Humanos , Imageamento por Ressonância Magnética , Masculino , Pessoa de Meia-IdadeRESUMO
PURPOSE: To investigate the diagnostic accuracy of spiral CT angiography (CTA) in detection of cerebral aneurysms in cases with acute subarachnoid hemorrhage (SAH). MATERIALS AND METHODS: Spiral CT angiography and DSA examinations were performed in 32 cases due to non-traumatic SAH. CTA data were obtained by maximum intensity projection (MIP) method. CTA and DSA findings were evaluated and compared in terms of existence of aneurysm, size and location. RESULTS: In 32 patients, DSA detected 34 aneurysms with diameters ranging from 3 to 13 mm while four cases were free of aneurysms. With CTA, an aneurysm at anterior communicating artery location could not be demonstrated. In all other cases CTA correlated well with DSA in detecting the site, size and orientation of the aneurysms. It was found that CTA sensitivity was 97% and specificity was 100% in diagnosis of intracranial aneurysms. CONCLUSION: Spiral CTA is a highly accurate, cheap and non-invasive imaging method in diagnosis of intracranial aneurysms in cases with SAH and can be used as a safe alternative method to DSA when emergency surgery is needed.