Concha bullosa

Concha bullosa
Concha bullosa in CT

A concha bullosa is a pneumatized (air-filled) cavity within a turbinate in the nose. (Concha is another term for turbinate.) Bullosa refers to the air-filled cavity within the turbinate. It is a normal anatomic variant seen in up to half the population. Occasionally, a large concha bullosa within a turbinate may cause it to bulge sufficiently to obstruct the opening of an adjacent sinus, possibly leading to recurrent sinusitis. In such a case the turbinate can be reduced in size by endoscopic nasal surgery. The presence of a concha bullosa is often associated with deviation of the nasal septum toward the opposite side of the nasal cavity. People who have concha bullosa are not more prone to have sinus disease.

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Look at other dictionaries:

  • concha bullosa — a cystic distention of the middle nasal concha, sometimes seen in chronic rhinitis …   Medical dictionary

  • concha — In anatomy, a structure comparable to a shell in shape, as the auricle or pinna of the ear or a turbinate bone in the nose. [L. a shell] c. of auricle [TA] the large hollow, or floor of the …   Medical dictionary

  • Nasal concha — Lateral wall of nasal cavity, showing ethmoid bone in position. (Superior and middle in pink, and inferior in blue.) …   Wikipedia

  • Sinusitis — Classification and external resources Left sided maxillar sinusitis marked by an arrow. Note the absence of the air transparency indicating the presence of fluid in contrast to the other side. ICD 10 …   Wikipedia

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