An endoscopic study on the prevalence of accessory maxillary sinus ostium in patients with chronic rhinosinusitis in Dar es Salaam, Tanzania

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dc.contributor.authorAbraham, Zephania Saitabau
dc.contributor.authorKahinga, Aveline Aloyce
dc.contributor.authorMapondella, Kassim Babu
dc.contributor.authorMassawe, Enica Richard
dc.contributor.authorNtunaguzi, Daudi
dc.date.accessioned2021-05-12T09:38:08Z
dc.date.available2021-05-12T09:38:08Z
dc.date.issued2020
dc.descriptionFull text article. Also available at https://doi.org/10.2147/OAS.S264176en_US
dc.description.abstractWe aimed to determine the prevalence of and characterize accessory maxillary sinus ostium (AMO) in patients with chronic rhinosinusitis at a private health facility which serves the largest number of patients seeking treatment under private practice in Tanzanias largest city. Chronic rhinosinusitis is a common condition in otorhinolaryngology practice. It has been postulated in the available literature that accessory maxillary ostium may play a role in the development of chronic maxillary sinusitis. AMO has been frequently identified during routine nasal endoscopy. Its found in the medial wall of the maxillary sinus and located in the lateral wall of the nose. There is no study to date that has been conducted in Tanzania to characterize AMO in patients with chronic rhinosinusitis when seen at the clinic despite the growing use of endoscopy on an outpatient basis. Fifty adult patients with symptoms of chronic rhinosinusitis attending the ENT clinic on an outpatient basis were selected and then computerized tomography scan of the nose and paranasal sinuses (CT scan PNS) was performed. Nasal endoscopy was done to all patients to determine the presence and location of AMO. Of all the 50 studied patients, CT scan PNS depicted positive signs of rhinosinusitis in 35 patients (70%). Upon nasal endoscopy of the 35 patients, AMO was found in 25 patients (71.4%). Of the 15 patients with no depicted CRS upon CT scan, AMO was found in 4 (26.7%) patients. Nasal endoscopy provides additional evidence of obstruction of natural sinus ostia thus leading to chronic maxillary rhinosinusitis apart from CT PNS. Such observation is of importance to clinicians who are to execute management of these patients.en_US
dc.identifier.citationAbraham, Z. S., Kahinga, A. A., Mapondella, K. B., Massawe, E. R., & Ntunaguzi, D. (2020). An endoscopic study on the prevalence of accessory maxillary sinus ostium in patients with chronic rhinosinusitis in Dar es Salaam, Tanzania. Open Access Surgery, 13, 61-64.en_US
dc.identifier.otherDOI: http://doi.org/10.2147/OAS.S264176
dc.identifier.urihttp://hdl.handle.net/20.500.12661/3043
dc.language.isoenen_US
dc.publisherDove Medical Pressen_US
dc.subjectChronic rhinosinusitisen_US
dc.subjectRhinosinusitisen_US
dc.subjectOtorhinolaryngology practiceen_US
dc.subjectSinus ostiaen_US
dc.subjectMaxillary sinusen_US
dc.subjectParanasal sinusesen_US
dc.titleAn endoscopic study on the prevalence of accessory maxillary sinus ostium in patients with chronic rhinosinusitis in Dar es Salaam, Tanzaniaen_US
dc.typeArticleen_US
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