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KMID : 0900220230300020098
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대한비과학회지
2023 Volume.30 No. 2 p.98 ~ p.104
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Prevalence and Clinical Implications of Lateral Wall Dehiscence in the Sphenoid Sinus: Sternberg’s Canal
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Kang Seung-Heon
Huh Gene
Kim Min-Ju
Bae Yun-Jung
Won Tae-Bin
Kim Jeong-Whun
Rhee Chae-Seo
Cho Sung-Woo
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Abstract
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Background and Objectives: Sternberg’s canal is known to result from incomplete fusion of bony compartments constituting the sphenoid bone during the developmental process. This study aimed to evaluate the prevalence and clinical implications of Sternberg’s canal.
Methods: A retrospective review of patients over the age of 18 years who had undergone endoscopic sinus surgery from 2014 to 2019 at a single institution was performed. Patients (n=98) were categorized into those with sphenoid fungal ball (SFB) (n=39), those with primary chronic rhinosinusitis (CRS) (n=39), and controls (n=20) and were evaluated radiologically. A small pit in the lateral wall, located medial to the maxillary division of the trigeminal nerve (V2), in front of the opticocarotid recess was regarded as Sternberg’s canal. Children under the age of 12 years (n=39) without any sinus disease were also evaluated to determine the prevalence of Sternberg’s canal in the pediatric population.
Results: Patients with SFB showed the highest prevalence of Sternberg’s canal (56.4%), followed by those with CRS (20.5%) and controls (10.0%) (p<0.001). Logistic regression revealed that Sternberg’s canal was associated with osteitis of the sphenoid wall, and not with age, sex, or sphenoid sinus pathology. Children under the age of 12 years showed a significantly higher prevalence of the defect than adult controls (46.2%, p<0.001).
Conclusion: Sternberg’s canal was frequently identified in children under the age of 12 years. Sphenoid sinus pathology was often accompanied by osteitis. However, the presence of the canal alone did not predict skull base involvement in patients with SFB. A comprehensive evaluation should hence be performed if skull base involvement is suspected in such patients. Additionally, other clinical implications of Sternberg’s canal should be further evaluated.
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KEYWORD
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Sternberg’s canal, Skull base, Lateral recess, Sphenoid sinus, Fungal ball
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