Concha bullosa

A concha bullosa is a pneumatized (air-filled) cavity within a nasal concha, also known as a turbinate.[1] Bullosa refers to the air-filled cavity within the turbinate.[1] It is a normal anatomic variant seen in up to half the population. Occasionally, a large concha bullosa may cause it to bulge sufficiently to obstruct the opening of an adjacent sinus, possibly leading to recurrent sinusitis.[1] In such a case the turbinate can be reduced in size by endoscopic nasal surgery (turbinectomy). The presence of a concha bullosa is often associated with deviation of the nasal septum toward the opposite side of the nasal cavity.[2] Although it is thought that sinusitis or sinus pathology has relation to concha bullosa, no strong statistical correlation has been demonstrated.[1]

Concha bullosa on both sides (marked with asterisks), coronal orientated image from CT

Additional image

References

Hatipoğlu, HG; Cetin, MA; Yüksel, E (Sep 2005). "Concha bullosa types: their relationship with sinusitis, ostiomeatal and frontal recess disease" (PDF). Diagnostic and Interventional Radiology. 11 (3): 145–9. PMID 16206055.
Stallman, JS; Lobo, JN; Som, PM (Oct 2004). "The incidence of concha bullosa and its relationship to nasal septal deviation and paranasal sinus disease". American Journal of Neuroradiology. 25 (9): 1613–8. PMID 15502150.

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[pmid16206055-1] Hatipoğlu, HG; Cetin, MA; Yüksel, E (Sep 2005). "Concha bullosa types: their relationship with sinusitis, ostiomeatal and frontal recess disease" (PDF). Diagnostic and Interventional Radiology. 11 (3): 145–9. PMID 16206055.

[pmid15502150-2] Stallman, JS; Lobo, JN; Som, PM (Oct 2004). "The incidence of concha bullosa and its relationship to nasal septal deviation and paranasal sinus disease". American Journal of Neuroradiology. 25 (9): 1613–8. PMID 15502150.