Palate Obturators in the Phono-Articular System in Defects Caused by Nasal T / NK Cell Lymphoma | Stephy Publishers

 


Internal and Emergency Medicine | Stephy Publishers

Abstract:
Lymphomas are frequent malignant neoplasms, due to the destructive and rapidity of their clinical course, they present extensive areas of necrosis, which could be induced by the Epstein Bar virus (EBV) that is present in most of these lymphomas causing oro-nasal communications that they have an impact on phonation, chewing, swallowing and loss of self-esteem. Due to the extension of this type of communication, they represent a challenge in surgical rehabilitation opting for a prosthetic device.

    
Introduction
Lymphomas are a group of neoplasms originating in the immune system, whose cells are widely distributed and have an extensive functional range. In the head and neck region there is a high incidence of nasal type T / NK cell lymphomas associated with the Epstein Var virus (EBV) showing a similar pattern of strain type distribution between neoplastic tissues and reactive processes. EBV may infect cells of the T / NK lineage, raising the possibility of exposure of the nasal, nasopharyngeal, hard and soft palate mucosa. It is also argued that EBV may participate in the induction of cytokines, in particular tumor necrosis, factor kappa-β and metalloproteases in virally infected cells, causing areas of necrosis.1 The oral cavity, the nasal cavity, the maxillary sinuses and the rest of the oropharynx area is constituted by the presence of the hard palate that structurally forms a physical barrier and the soft palate that together with a series of movements of the pharyngeal walls achieves the separation and coupling of the nasal space with the oral and pharyngeal space. The anatomical integrity of both is important to ensure proper function. Maxillary defects can be restored by means of a prosthetic device designed to close these acquired communications. A palatal obturator is defined as a prosthetic device designed

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