نتایج جستجو برای: juvenile nasopharyngeal angiofibroma
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Recognized since ancient times by Hippocrates, juvenile angiofibroma is an uncommon, benign and extremely vascular tumour that arises in the tissues within the sphenopalatine foramen. Rarely, it is found at other sites in the nasal cavity and paranasal sinuses. Juvenile angiofibroma accounts for less than 0.5 percent of all head and neck tumours. It develops almost exclusively in adolescent mal...
BACKGROUND Predilection of juvenile angiofibromas in adolescent boys has prompted the hypothesis of hormone-dependent tumor growth. However, knowledge on expression and function of sex hormone receptors in juvenile angiofibromas is still sparse and inconsistent. METHODS Transcript and protein expression of sex hormone receptors in juvenile angiofibromas was studied by quantitative reverse tra...
OBJECTIVES Access to the pterygopalatine fossa is very difficult due to its complex anatomy. Therefore, an open approach is traditionally used, but morbidity is unavoidable. To overcome this problem, an endoscopic endonasal approach was developed as a minimally invasive procedure. The surgical aim of the present study was to evaluate the utility of the endoscopic endonasal approach for the mana...
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