Vocal polyps: clinical, morphological, and immunohistochemical aspects

Journal of Voice : Official Journal of the Voice Foundation
Regina Helena Garcia MartinsRafael de Albuquerque E Silva

Abstract

To study the clinical, morphological, and immunohistochemical characteristics of vocal polyps. Prospective and retrospective. Clinical study: 76 medical charts from patients with polyps were reviewed. Histology study: in 42 slides from surgical specimens, the following were analyzed: epithelium, basal membrane, and lamina propria. In the transmission and scanning electron microscopy (TEM and SEM) studies, eight new cases of polyps were included. An immunohistochemical study was carried out in the 42 specimens, using antibody antifibronectin, antilaminin, and anticollagen IV. Genders--43% males and 57% females; age range--between 21 and 40 years (36.85%); and between 41 and 60 years of age (51.31%); smoking and drinking-reported by 39 and 15 patients, respectively; associated symptoms-vocal abuse (61%), gastroesophageal (47%), and nasosinusal symptoms (32%); occupation--teachers (24.0%) and maids (18.0%). Histology--epithelial hyperplasia (31.71%), hyperkeratosis, (14.28%), edema (100%), vessel proliferation (92.86%), and congestion (83.33%). SEM--reduction in mucous lacing and increase in desquamating cells. TEM--hyperplastic epithelium, enlargement of the intercellular junctions, dense subepithelial network of collagen and bas...Continue Reading

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Feb 5, 2014·Journal of Voice : Official Journal of the Voice Foundation·Mehmet Fatih KarasuImdat Yuce
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