ArticleEuropean archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery2024
Evaluation of lamina papyracea dehiscence with paranasal computed tomography.
Article in European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Anatomical variations of lamina papyracea, internal carotid artery, and optic canal dehiscence and protrusion: a computed tomography retrospective cohort study.BMC medical imaging · 2026Article
- Occult invasive group A streptococcal infection with rapid progression to pediatric intraorbital abscess: a case report.BMC pediatrics · 2026Article
- Critical anatomical variants in preoperative computed tomography of paranasal sinuses in a tertiary care center: a cross-sectional study.Annals of medicine and surgery (2012) · 2025Article
- CT Analysis of Variations in the Medial Maxillary Wall Relative to the Medial Orbital Wall: Implications for Surgical Risk Stratification from an Endoscopic Perspective.Life (Basel, Switzerland) · 2025Article
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Abstract
introductionThe lamina papyracea is the thin line between the ethmoid sinus and the medial orbital wall. Knowledge of the presence of the lamina papyracea dehiscence (LPD) bears critical importance to prevent misdiagnosis of fractures at this level and to define the anatomy before sinonasal surgery, including Functional Endoscopic Sinus Surgery (FESS). The present study is therefore intended to determine the incidence of LPD in paranasal computed tomography, to identify its imaging characteristics in CT, and to compare with the literature. MATERIALS AND
methodsThe current study included patients who underwent paranasal CT scanning for any reason in our clinic between January 2018 and January 2022. Patients were evaluated in terms of age, gender, and presence of LPD. Patients with dehiscence were evaluated in terms of age, gender, dehiscence localization (right, left), tissue at the level of dehiscence, dehiscence size, and dehiscence grade.
results1000 patients with a mean age of 32. ± 16.3 (min = 18-max = 79) were included in the study. 20 patients (2%) were found to have LPD. Of those with LPD, 14 (70%) were grade 1, 4 (20%) were grade 2 and 2 (10%) were grade 3. Again of those with LPD, 14 (70%) had LPD localized on the right and 6 (30%) had LPD on the left. In 12 (60%) of the patients with LPD, herniated tissue was detected. Among these patients with herniation, fatty tissue herniation was observed in 10 (83.3%) and medial rectus muscle herniation was observed in 2 (16.7%). DISCUSSION AND
conclusionComprehensive evaluation for and identification of LPD are very important before possible sinus surgery.
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