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Posterior ethmoid cell expansion towards the inferolateral region of the sphenoid sinus: a computed tomography study.

Jin-Feng LiuQitong LiuNingyu Wang
Published in: Surgical and radiologic anatomy : SRA (2019)
An ISEC is a rare variation of ethmoid air cells. Preoperative recognition of ISECs is essential to achieve safe and effective endoscopic sinus surgery because of the important anatomical location.
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