Anatomy of maxillary sinus and its ostium: A radiological study using computed tomography

D’Souza, Antony Sylvan; Rajagopal, KV; Ankolekar, Vrinda Hari; Souza, Antony Sylvan D; Kotian, Sushma R

doi:10.4103/2348-3334.172397

Cited by 26 publications

(16 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Similar results were reported byPrasanna and Mamatha (2010),Nayak et al, (2014) with most cases the PMO located in the posterior third position[10,17]. In an another related study bySouza et al (2016), they analyzed the location of PMO as being at the upper third, middle third and lower third of the hiatus semilunaris. They found that most were located in upper third (40 cases), middle third (10 cases) and none was observed in the lower third[8].Comparisons in the location of PMO were made between left and right sides and this was statistically significant.…”

supporting

confidence: 72%

“…Many studies have been carried out on PMO location in a homogenous population [8,12], however, no research has been done in Malaysia concerning location and diameter of the primary maxillary ostium among the Mongoloid races.…”

Section: Discussionmentioning

confidence: 99%

“…Additionally, Endoscopic sinus surgeons should understand the anatomic variations of the PMO as it could help them recognize the direction and angles that the guidewire should be manipulated to enter the natural ostium successfully. Failure to do so could result in orbital complications, nasolacrimal duct laceration or deformation of a surgical ostium [6,8,10,14].…”

Section: Discussionmentioning

confidence: 99%

“…Thus far, there has been limited studies on the location of the maxillary sinus ostium using Computed Tomography [8]. There have been no researches concerning location and diameter of the primary maxillary ostium (PMO) among the Malaysian population, namely the Malay and Chinese ethnicities who have a Mongoloid ancestry.…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

The Location and Diameter of the Primary Maxillary Sinus Ostium in Malaysians: A Cone-Beam Computerized Tomography Study

Peter

Nambiar

Krishnan

et al. 2020

JBR

View full text Add to dashboard Cite

Rhinosinusitis is one of widely spread diseases in the region and the role of the anatomical variations in its pathogenesis remains unresolved. A retrospective study using CBCT scan was employed to locate and measure the diameter of 320 primary maxillary ostium (PMO) (n = 160 subjects) among the Malay and Chinese populations (Mongoloid race) in Malaysia. Image analysis was performed using the i-CAT Vision Software, employing the multiplanar reconstruction window in which axial, coronal and sagittal planes were visualized in 0.3 mm intervals. The mean diameter of the PMO was significantly larger in the Chinese than the Malay. Females had larger size than the male and bilateral asymmetry was noticed, where the right side PMO was larger than the left side (p < 0.05). In addition, PMO opened more in the posterior third position of the hiatus semilunaris (61.9%) than anterior and middle third. The PMO showed a statistically significant posteriorly placed position in the Chinese than the Malays and this was more evident in the right side PMO (p < 0.01). In conclusion, the PMO commonly opens in the posterior third of the hiatus semilunaris and its diameter is significantly greater in the Chinese female with evidence of bilateral asymmetry. Awareness the anatomical variation of the Ostium diameter and location among the Malay and Chinese populations potentially has important clinical effects during surgical procedures.

show abstract

supporting

confidence: 72%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

The Location and Diameter of the Primary Maxillary Sinus Ostium in Malaysians: A Cone-Beam Computerized Tomography Study

Peter

Nambiar

Krishnan

et al. 2020

JBR

View full text Add to dashboard Cite

show abstract

“…The geometric method to calculate the volume of maxillary sinus has been always applicable and depends on the fact that the sinus is a square base pyramid (4,5) . The volume of a square based pyramid is calculated from the geometric rule 1/3 pyramid height × pyramid base Length × pyramid base width (5) .…”

Section: Introductionmentioning

confidence: 99%

Validity of maxillary sinus volumetric measurements using the 3D orthogonal cone beam computed tomography images versus direct skull volumetric measurements: An in vitro study

Hamdy

Hussien

Dahaba

2020

Egyptian Dental Journal

View full text Add to dashboard Cite

Introduction: the total volume of maxillary sinus is important for maxillofacial reconstruction, plastic surgeries and prosthetic rehabilitation. It is important to diagnose sinus hypoplasia secondary to craniofacial syndromes, sinus obliteration caused by infections or blood dyscrasis.Aim of the study: The aim of this study was to assess the accuracy of CBCT volumetric measurements of maxillary sinus using the geometric rule of pyramid volume based on CBCT linear measurements versus real skull measurements.Materials and methods: fourteen skulls were scanned using Planmeca Promax 3D MID and the maxillary sinus pyramid height, length and width were measured in cm. The volume of 24 sinuses were calculated from pyramid volume (cm 3 ) = 1/3 Height × Length × Width. The CBCT volumes and the reference standard were analyzed for error assessment using Dahelberg error and Relative Dahelberg Error.Results: 4.3-4.7% was the error obtained from CBCT volumetric measurements using the rule of pyramid volume. 0.9 correlation was detected between the CBCT volume and the reference standard, between the observers and within the same observer.Conclusion: the geometric rule of pyramid volume based on CBCT linear measurements can be used to assess maxillary sinus volume. KEY WORDS: Maxillary sinus, CBCT, linear measurements, pyramid volume, accuracy. (348) Reham Mohamed Hamdy, et al.

show abstract

Anatomical Variation in Maxillary Sinus Ostium Positioning: Implications for Nasal‐Sinus Disease

Butaric

Wadlé

Gascon

et al. 2018

The Anatomical Record

View full text Add to dashboard Cite

Among humans, superiorly located maxillary sinus ostia (MSO) result in drainage complications and maxillary sinus (MS) disease. While previous studies investigate maxillary sinusitis frequency or MSO‐position relative to specific nasal landmarks, few explore MSO‐position to overall MS dimensions. This study investigates whether MSO‐position relates to MS size/shape and if sex‐based differences exist. Twenty‐nine landmarks, placed on magnetic resonance images (MRIs) of 109 individuals (males = 57; females = 52), captured maximum dimensions of the cranium, MS, nasal cavity, and MSO‐position relative to the MS floor (MSO_MSF) and nasal floor (MSO_NCF). Landmark coordinates were used to calculate centroid sizes and 13 linear distances; distances were size standardized by cranial centroid‐size. Principal components analysis (PCA) on 3D‐coordinates indicates that variation in MSO‐position relates to superior–inferior MS positioning within the face (PC1 22% variance) and MS height (PC2 12% variance). Regression analyses indicate that MS size (r2 = 0.502; P < 0.001) and height (r2 = 0.589; P < 0.0001) strongly contribute to MSO_MSF: larger, taller MSs exhibit greater MSO_MSFs. Sex‐based differences were not evident in PC shape‐analyses nor among size‐standardized dimensions. However, Mann–Whitney U‐tests indicate females have absolutely smaller MSs (P = 0.001) and MSO_MSF distances (P = 0.001). Further, regressions indicate females exhibit lower MSO_MSFs for a similar MS height. Overall, MSOs superiorly placed relative to the MS floor correlate with larger, taller MSs and/or sinuses positioned inferiorly within the face. While craniofacial surgeons/clinicians should be aware of potential sex‐based differences in MS size and MSO position, this study does not suggest that higher incidences of female‐reported sinusitis relate to sex‐based differences in MS anatomy. Anat Rec, 302:917–930, 2019. © 2018 Wiley Periodicals, Inc.

show abstract

Anatomy of maxillary sinus and its ostium: A radiological study using computed tomography

Cited by 26 publications

References 0 publications

The Location and Diameter of the Primary Maxillary Sinus Ostium in Malaysians: A Cone-Beam Computerized Tomography Study

The Location and Diameter of the Primary Maxillary Sinus Ostium in Malaysians: A Cone-Beam Computerized Tomography Study

Validity of maxillary sinus volumetric measurements using the 3D orthogonal cone beam computed tomography images versus direct skull volumetric measurements: An in vitro study

Anatomical Variation in Maxillary Sinus Ostium Positioning: Implications for Nasal‐Sinus Disease

Contact Info

Product

Resources

About