Clinical otolaryngology : official journal of ENT-UK ; official journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery · 2020
"M" line: New anatomical landmark for the maxillary sinus natural ostium.
СтатьяНазвание и аннотация: Перевод пока не подготовлен
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Leite Janaina Gonçalves da Silva, Nogueira Joao Flavio, Pallanch John, da Costa Ticiana Cabral, Feijão Moisés Ximenes, Querido Raquel de Sousa Lobo Ferreira, Cavalcante Maria Luzete Costa
Аннотация
OBJECTIVE: Describe a reliable anatomical landmark that can be used to locate the maxillary sinus natural ostium (MSNO) during endoscopic surgery, even if the uncinate process is preserved.
DESIGN: Descriptive anatomical.
SETTING: An anatomical and radiological study was performed to evaluate the consistency of the landmark, denominated "M" line.
SUBJECTS AND METHODS: Dissections were performed in 57 cadaver heads (114 sides). In addition, 73 computerised tomography (CT) scans (146 sides) of patients with chronic inflammatory sinonasal disease were analysed using a three-dimensional (3D) reconstruction computer program.
RESULTS: The "M" line crossed the MSNO in 112 dissected sides (98.2%) and 140 sides at CT 3D reconstruction (95.9%).
CONCLUSION: The "M" line is a reliable anatomical landmark for predicting MSNO location. As such, it could improve and facilitate endoscopic sinus surgery, using traditional, minimally invasive or uncinate preserving techniques.
DESIGN: Descriptive anatomical.
SETTING: An anatomical and radiological study was performed to evaluate the consistency of the landmark, denominated "M" line.
SUBJECTS AND METHODS: Dissections were performed in 57 cadaver heads (114 sides). In addition, 73 computerised tomography (CT) scans (146 sides) of patients with chronic inflammatory sinonasal disease were analysed using a three-dimensional (3D) reconstruction computer program.
RESULTS: The "M" line crossed the MSNO in 112 dissected sides (98.2%) and 140 sides at CT 3D reconstruction (95.9%).
CONCLUSION: The "M" line is a reliable anatomical landmark for predicting MSNO location. As such, it could improve and facilitate endoscopic sinus surgery, using traditional, minimally invasive or uncinate preserving techniques.