Congenital malformation of lamina orbitalis ossis ethmoidalis

Background: The thinnest portion of the medial wall of the orbit is Lamina orbitalis ossis ethmoidalis which separates the ethmoidal sinuses from the orbit. Congenital bony malformation of orbit and anatomical variation of ethmoidal sinuses are important in terms of the risk of complication developm...

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Main Author: Kosuri Kalyan Chakravarthi
Format: Article
Language:English
Published: Manipal College of Medical Sciences, Pokhara 2014-10-01
Series:Asian Journal of Medical Sciences
Subjects:
Online Access:https://www.nepjol.info/index.php/AJMS/article/view/10534
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author Kosuri Kalyan Chakravarthi
author_facet Kosuri Kalyan Chakravarthi
author_sort Kosuri Kalyan Chakravarthi
collection DOAJ
description Background: The thinnest portion of the medial wall of the orbit is Lamina orbitalis ossis ethmoidalis which separates the ethmoidal sinuses from the orbit. Congenital bony malformation of orbit and anatomical variation of ethmoidal sinuses are important in terms of the risk of complication development during endoscopic sinus surgery and to understanding the pathophysiology and spread of sinus disease. Materials and Methods: Accordingly the present study was designed to fi nd out the congenital malformation of medial wall of the orbit in relation to lamina orbitalis ossis ethmoidalis. The study was carried out using 100 dried adult human skulls and twenty six human cadavers irrespective of sex were obtained from the Department of Anatomy - Mayo Institute of Medical Sciences-Barabanki, Department of Anatomy - Melaka Manipal Medical College - Manipal and Department of Anatomy - KMCT Medical College, Manassery - Calicut. Results: In three skulls (2.380%) we noted unilateral unusual hole at the junction of medial wall and roof of orbit with dimensions of 2.3 cm long and 1 cm height in two skulls and another unusual vertical hole at the anterior part of medial wall and roof of orbit with dimensions of 2 cm height and 1 cm width. We also noted few ethmoidal cells extended in to the orbital plate and fovea ethmoidalis of the frontal bone. Conclusion: Congenital defective formation of bony orbit and variable anatomy of paranasal sinuses noted in this study is may be due to the defective formation of Lamina orbitalis ossis ethmoidalis from the lateral part of the nasal capsule near the fronto ethmoidal suture such comprehensive knowledge is necessary to understand the various disorders of this region and to avoid complications during surgical procedures involving this area.
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spelling doaj.art-b66ee43b8fd0495580f93e2897c674012022-12-21T23:46:02ZengManipal College of Medical Sciences, PokharaAsian Journal of Medical Sciences2467-91002091-05762014-10-01629194https://doi.org/10.3126/ajms.v6i2.10534Congenital malformation of lamina orbitalis ossis ethmoidalisKosuri Kalyan Chakravarthi 0Assistant Professor, Department of Anatomy, Mayo Institute of Medical Sciences, Faizabad Road, Gadia, Barabanki-225001 (UP)Background: The thinnest portion of the medial wall of the orbit is Lamina orbitalis ossis ethmoidalis which separates the ethmoidal sinuses from the orbit. Congenital bony malformation of orbit and anatomical variation of ethmoidal sinuses are important in terms of the risk of complication development during endoscopic sinus surgery and to understanding the pathophysiology and spread of sinus disease. Materials and Methods: Accordingly the present study was designed to fi nd out the congenital malformation of medial wall of the orbit in relation to lamina orbitalis ossis ethmoidalis. The study was carried out using 100 dried adult human skulls and twenty six human cadavers irrespective of sex were obtained from the Department of Anatomy - Mayo Institute of Medical Sciences-Barabanki, Department of Anatomy - Melaka Manipal Medical College - Manipal and Department of Anatomy - KMCT Medical College, Manassery - Calicut. Results: In three skulls (2.380%) we noted unilateral unusual hole at the junction of medial wall and roof of orbit with dimensions of 2.3 cm long and 1 cm height in two skulls and another unusual vertical hole at the anterior part of medial wall and roof of orbit with dimensions of 2 cm height and 1 cm width. We also noted few ethmoidal cells extended in to the orbital plate and fovea ethmoidalis of the frontal bone. Conclusion: Congenital defective formation of bony orbit and variable anatomy of paranasal sinuses noted in this study is may be due to the defective formation of Lamina orbitalis ossis ethmoidalis from the lateral part of the nasal capsule near the fronto ethmoidal suture such comprehensive knowledge is necessary to understand the various disorders of this region and to avoid complications during surgical procedures involving this area.https://www.nepjol.info/index.php/AJMS/article/view/10534ethmoidal air sinusesfovea ethmoidalislamina orbitalis ossis ethmoidalisnasal cavitysupraorbital ethmoid cells
spellingShingle Kosuri Kalyan Chakravarthi
Congenital malformation of lamina orbitalis ossis ethmoidalis
Asian Journal of Medical Sciences
ethmoidal air sinuses
fovea ethmoidalis
lamina orbitalis ossis ethmoidalis
nasal cavity
supraorbital ethmoid cells
title Congenital malformation of lamina orbitalis ossis ethmoidalis
title_full Congenital malformation of lamina orbitalis ossis ethmoidalis
title_fullStr Congenital malformation of lamina orbitalis ossis ethmoidalis
title_full_unstemmed Congenital malformation of lamina orbitalis ossis ethmoidalis
title_short Congenital malformation of lamina orbitalis ossis ethmoidalis
title_sort congenital malformation of lamina orbitalis ossis ethmoidalis
topic ethmoidal air sinuses
fovea ethmoidalis
lamina orbitalis ossis ethmoidalis
nasal cavity
supraorbital ethmoid cells
url https://www.nepjol.info/index.php/AJMS/article/view/10534
work_keys_str_mv AT kosurikalyanchakravarthi congenitalmalformationoflaminaorbitalisossisethmoidalis