Radiological Assessment of the Anatomy of Frontal Recess Cells and the Anterior Ethmoidal Artery.

Radiological Assessment of the Anatomy of Frontal Recess Cells and the Anterior Ethmoidal Artery. Adv Otorhinolaryngol. 2016 Apr 26;77:46-51 Authors: Okuni T, Takano K, Nomura K, Yamashita K, Abe A, Ito F, Murayama K, Shirasaki H, Himi T Abstract It is necessary for the surgeon to be familiar with frontal recess anatomy during an endoscopic approach to the frontal sinuses. The aim of this study was to evaluate the prevalence of frontal recess cells in Japanese adults as well as the association between the frontal recess and the location of the anterior ethmoidal artery (AEA). The frontal recess cells and the AEAs were retrospectively evaluated in CT scans of the nasal and paranasal sinuses for 89 patients. The prevalence of agger nasi cells was 90.7%. The frequency of frontal cell types 1, 2, 3 and 4 was 28.8, 0.6, 2.6 and 0%, respectively. Suprabullar cells (SBCs) and frontal bullar cells (FBCs) were identified in 78/96 sides (81.3%) and 24/96 sides (24%), respectively. The prevalence of the medial group of frontal recess cells (interfrontal sinus septal cells) was 12.4%. In 42/61 sides (68.9%), the AEAs were located within the posterior margin of the SBCs or the FBCs. Therefore, SBCs, FBCs and the vertical portion of the middle turbinate are reliable landmarks for the identification of AEAs. PMID: 27116124 [PubMed - as supplied by publisher]
Source: Advances in Oto-Rhino-Laryngology - Category: ENT & OMF Tags: Adv Otorhinolaryngol Source Type: research