Juvenile nasopharyngeal angiofibroma: the routes of invasion
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Output type: Other
Author list: Sennes L, Butugan O, Formigoni L, Bento R
Publication year: 1998
Start page: 439
End page: 442
Number of pages: 4
ISBN: *************
Languages: English-Great Britain (EN-GB)
Abstract
Although there are some growth characteristics of the JNA, it usually shows distinct behavior. We analyzed 33 patients without any previous treatment, attempting to the routes of tumor's growth (CT scan), patient's age and tumor vascularization (angiography). The sphenopalatine forame was affected in all cases. A growth towards several routes with a different rhythm was noted with variable configurations. The lateral and superior growth were the most frequent. Three sites were invaded through more than one route: pterygoid fossa, middle cranial fossa and maxillary sinus. There was no significant correlation between invasion route and patient's age or tumor vascularization. However, there was a concomitance between tumor development and facial growth by "displacement" (Enlow's theory). We discuss this condition, suggesting a new hypothesis to pterygopalatine invasion, which could explain the paraselar route to the intracranial fossa.
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