Abstract 6.  (1)11



Causes of Nasal Obstruction in University of Calabar Teaching Hospital, Calabar, Nigeria


A. N. Umana1, V. Onoyom-Ita1, N. E. Udonwa2, E. I. Peters3


1 Department of Surgery (ORL) College of Medical Sciences, University of Calabar, Calabar


2 Department of Family Medicine University of Calabar Teaching Hospital, Calabar Nigeria

3 Departments of Medicine, College of Medical Sciences, University of Calabar, Calabar-Nigeria


Abstract: A study of the causes of nasal obstruction in Calabar, Nigeria from 1998 to 2002 was undertaken. Within the period under review 6985 patients were seen in the ENT clinic. The number of patient with nasal obstruction was 470 (6.7%), comprising 248 (52.8%) males and 222 (47.2%) females. Their ages ranged from 36 hours to 88 year with a mean of 21.6 (males) and 23.7 years (females). The age distribution shows that 18 patients (4%) were infants, 123 (26.1%) were aged one to ten years, 118 (25.1%) were aged twenty to thirty years, while 29 (6.2%) were over the age of 50 years. Acquired causes accounted for 469 (99.78%) of patients while there was a single case of congenital bilateral choanal atresia. Mucosal swelling was the direct cause of obstruction in 66.7% of case. Rhinosinusitis and anergic rhinitis were diagnosed in 26% and 16.8% of case respectively. In children, adenoid hypertrophy was the commonest causes of bilateral nasal obstruction, while unilateral obstruction was most commonly caused by foreign body in the nose. Non-neoplastic masses were responsible for obstruction in 9.4% of patients while neoplastic masses were the cause in 7.1% of cases. Malignant neoplasm, though relatively uncommon were mostly carcinomas of the nose, antrum and nasopharynx. Late presentation and poor prognosis make neoplasm a very important cause of nasal obstruction especially in patients over the age of 50 years.

Key words: Etiology, Nasal Obstruction, Calabar, Nigeria.


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