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1.
Int. j. morphol ; 31(2): 438-443, jun. 2013. ilus
Artigo em Inglês | LILACS | ID: lil-687081

RESUMO

The objective of this study was to evaluate the relationship between variations of the lateral wall of the nasal cavity and septal deviation (SD). Coronal and axial paranasal sinus CT images of 115 individuals (65 females, 50 males) were reviewed and the presence of pneumatisation and hypertrophy of the conchae was evaluated. Pneumatisation of the concha was classified as lamellar concha bullosa (LCB), bulbous concha bullosa (BCB), or extensive concha bullosa (ECB). If bulbous and extensive conchae and hypertrophic conchae were bilateral the side on which it was greatest was accepted as the dominant concha. The relationship between these variations and nasal septum deviation was also taken into account. Eighty-six (74.8 percent) of the 115 subjects had SD. Of these, 20 were not affected by the size of the middle nasal concha (MNC) or inferior nasal concha (INC). Thirty-four cases had dominant MNC, 20 had dominant INC, and 11 had both dominant MNC and dominant INC, and all of which had SD towards the opposite side. In one case there was SD towards the side in which the MNC was dominant. Our data indicate that coexistence of pneumatisation or hypertrophy of the conchae and SD was more common in adults compared to the results of similar studies conducted with a wide range of age groups, including children. Thus the presence of SD together with a large concha increases with age. A prospective study, which will include infants, will elucidate the relationship between conchae and SD.


El objetivo del estudio fue evaluar la relación existente entre las variaciones de la pared lateral de la cavidad nasal y la desviación septal. Se revisaron los senos paranasales en imágenes de TC de 115 individuos (65 mujeres, 50 varones) coronales y axiales y se evaluó en ellas la presencia de neumatización e hipertrofia de los conchas nasales. La neumatización de la concha fue clasificada como concha laminar bulosa (CLB), concha bulbosa bulosa (CBB), o concha extensa bulosa (ECB). Conchas nasales bulbosa y extensa y conchas hipertróficas eran bilaterales siendo el lado en que esta era más grande como la concha dominante. También se tuvo en consideración la relación entre estas variacio nes y la desviación del tabique nasal. Ochenta y seis (74,8 por ciento) de los 115 sujetos tenían desviación septal. De éstos, 20 no se vieron afectados por el tamaño de la concha nasal media (CNM) o concha nasal inferior (CNI). Treinta y cuatro de los casos tenía CNM dominante, 20 tenían CNI dominante, y 11 tenían tanto CNM dominante y CNI dominante, todos los cuales tenían desviación septal hacia el lado opuesto. En un caso hubo desviación septal hacia el lado en el que el CNM era dominante. Nuestros datos indican que la coexistencia de neumatización o hipertrofia de conchas nasales y la desviación septal es más común en adultos en comparación con los resultados de estudios similares realizados con una amplia gama de grupos etarios, incluidos los niños. Así, la presencia de desviación septal, junto con una gran concha aumenta con la edad. Un estudio prospectivo, que incluirá los bebés, aclarará la relación entre concha nasal y desviación septal.


Assuntos
Humanos , Masculino , Feminino , Cavidade Nasal/anatomia & histologia , Cavidade Nasal , Conchas Nasais/anatomia & histologia , Conchas Nasais , Seios Paranasais/anatomia & histologia , Seios Paranasais , Tomografia Computadorizada por Raios X , Septo Nasal/anatomia & histologia , Septo Nasal
2.
Radiol. bras ; 45(6): 351-352, out.-dez. 2012. ilus
Artigo em Português | LILACS | ID: lil-660797

RESUMO

A concha nasal média secundária é uma rara variação anatômica na cavidade nasal, descrita pela primeira vez por Khanobthamchai et al. como uma estrutura óssea revestida por partes moles originária da parede lateral do meato médio. Na maioria dos casos relatados na literatura ocorre bilateralmente, sem complicações associadas. Neste artigo descrevemos um caso encontrado em nosso serviço, com tal variação anatômica incomum.


Secondary middle turbinate is an anatomical variant rarely observed in the nasal cavity, firstly described by Khanobthamchai et al. as a bone structure originating from the lateral nasal wall and covered by soft tissue. In most cases reported in the literature, this variant is bilateral, occurring without associated complications. In the present report, the authors describe the case of patient of their institution with such anatomical variation.


Assuntos
Humanos , Feminino , Pessoa de Meia-Idade , Conchas Nasais/anatomia & histologia , Conchas Nasais/anormalidades , Cavidade Nasal , Obstrução Nasal , Cefaleia , Tomografia Computadorizada por Raios X
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