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Since 1985 endoscopic sinus surgery has been carried out by middle meatal antrostomy after temporarily separating the mucosa of the inferior turbinate. The mucosa of the inferior turbinate is stripped, and the maxillary process and the ethmoid process of the inferior turbinate bone are resected, and then the middle meatal opening is made with removal of the uncinate process. To gain a larger surgical field in antrostomy, the middle meatal opening is enlarged to the nasal floor or the lacrimal bone is resected. By this procedure, the large opening facilitates surgery in the antrum in cases of severe sinusitis, antrochoal polyp, postoperative maxillary cyst, benign tumors, orbital decompression on thyroid-related orbitopathy and blow-out fracture. In ethmoidectomy the opening helps to prevent major complications.
特定非営利活動法人日本頭頸部外科学会の論文