Applied Endoscopic Anatomical Evaluation of the Lacrimal Sac
Publish place: Iranian Journal of Otorhinolaryngology، Vol: 27، Issue: 3
Publish Year: 1394
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IJOTO-27-3_006
تاریخ نمایه سازی: 11 بهمن 1400
Abstract:
Introduction: Dacryocystorhinostomy (DCR), a popular surgical procedure, has been performed using an endoscopic approach over recent years. Excellent anatomical knowledge is required for this endoscopic surgical approach. This study was performed in order to better evaluate the anatomical features of the lacrimal apparatus from cadavers in the Isfahan forensic center as a sample of the Iranian population. Materials and Methods: DCR was performed using a standard method on ۲۶ cadaver eyes from the forensic center of Isfahan. The lacrimal sac was exposed completely, then the anatomical features of the lacrimal sac and canaliculus were measured using a specified ruler. Results: A total of ۲۶ male cadaveric eyes were used, of which four (۱۶.۷%) were probably non-Caucasian. Two (۸%) of the eyes needed septoplasty, one (۴%) needed uncinectomy, and none needed turbinoplasty. Four (۱۶%) lacrimal sacs were anterior to axilla, one (۴%) was posterior and ۲۰ (۸۰%) were at the level of the axilla of the middle turbinate. The distance from the nasal sill to the anterior edge of the lacrimal sac (from its mid-height) was ۳۹.۰۴ (±۴.۹۲) mm. The distance from the nasal sill to the posterior edge of the lacrimal sac (from its mid-height) was ۴۵.۵۰ (±۴.۴۷) mm. The width and length of the lacrimal sac was ۷.۵۴ (±۱.۴۴) mm and ۱۳.۱۶ (±۵.۳۷) mm, respectively. The distance from the anterior edge of the lacrimal sac to the posterior edge of the uncinate process was ۱۴.۰۶ (±۳.۰۰) mm, while the distance from the anterior nasal spine to the anterior edge of the lacrimal sac (from its mid-height) was ۳۷.۲۰ (±۵.۳۷) mm.The height of the fundus was ۳.۲۶ (±۱.۰۹) mm. The distance from the superior punctum to the fundus was ۱۲.۷۰ (±۱.۴۵) mm, and the distance from the inferior punctum to the fundus was ۱۱.۱۰ (±۲.۰۲) mm. Conclusion: Given the differences between the various studies conducted in order to evaluate the position of the lacrimal sac, studies such as this can help to better identify the position of lacrimal sac during surgery based on ethnic differences. In addition, these studies can help novice surgeons to better navigate in a surgical scenario.
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Authors
Seyyed Mostafa Hashemi
Department of Otorhinolaryngology, Isfahan University of Medical Sciences, Isfahan, Iran.
Nazamoddin Berjis
Department of Otorhinolaryngology, Isfahan University of Medical Sciences, Isfahan, Iran.
Afrooz Eshaghian
Department of Otorhinolaryngology, Isfahan University of Medical Sciences, Isfahan, Iran.
Maryam Nejadnic
Forensic Medical Center, Isfahan, Iran.
Akram Fereidani Samani
Department of Otorhinolaryngology, Isfahan University of Medical Sciences, Isfahan, Iran.
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