Morphometric Evaluation of Bony Nasolacrimal Canal in a Caucasian Population with Primary Acquired Nasolacrimal Duct Obstruction: A Multidetector Computed Tomography Study

Bülbül, Erdoğan; Yazıcı, Alper; Yanık, Bahar; Yazıcı, Haşmet; Demirpolat, Gülen

doi:10.3348/kjr.2016.17.2.271

Cited by 34 publications

(28 citation statements)

References 15 publications

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“…The entrance diameter does not differ among populations except in the study by Takahashi et al (2013b), in which the smallest diameter differed among populations. More specifically, Bulbul et al (2016) and Ramey et al (2013) found that the smallest transverse diameter tended to be smaller in specimens of Western than in East Asians populations (Takahashi et al, 2013b). This difference may explain why Caucasians have a higher incidence of acquired NLD obstruction than other populations (Janssen et al, 2001; Post, 1969; Takahashi et al, 2013b).…”

Section: Discussionmentioning

confidence: 99%

“…This difference may explain why Caucasians have a higher incidence of acquired NLD obstruction than other populations (Janssen et al, 2001; Post, 1969; Takahashi et al, 2013b). Meanwhile, length variables tend to be longer in Caucasian and Black specimens than in East Asians (Bulbul et al, 2016; Ramey et al, 2013). This difference may be influenced by differences in the structure of the nose.…”

Section: Discussionmentioning

confidence: 99%

“…Several cadaveric and radiographic studies have been performed to reveal the connection between acquired NLD obstruction and shape of NLD. Some reports revealed that minimum diameter was significantly narrower and the distance from the entrance to the smallest diameter was shorter in primary acquired NLD obstruction patients compared with normal subjects (Bulbul, Yazici, Yanik, Yazici, & Demirpolat, 2016; Janssen et al, 2001; Takahashi, Nakata, Miyazaki, Ichinose, & Kakizaki, 2014). Moreover, correlation between anatomical variations, population, and sex differences have been documented (Fasina & Ogbole, 2013; Groessl, Sires, & Lemke, 1997; Shigeta, Takegoshi, & Kikuchi, 2007).…”

Section: Introductionmentioning

confidence: 99%

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3D morphological classification of the nasolacrimal duct: Anatomical study for planning treatment of tear drainage obstruction

Lee

Yang

et al. 2020

Clinical Anatomy

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Background The purpose of this study is to analyze and classify morphological features of the nasolacrimal duct (NLD) through 3D reconstruction to help understand the causes and treatment of NLD obstruction. Methods In this study, we included 63 males and 55 females who underwent autopsy without NLD obstruction with ages ranging from 20 to 78 years. The NLD was defined from the lacrimal fossa to the opening of the BNLD to the inferior meatus, and all continuous CT images showing the NLD were selected. Segmentation was performed semi‐automatically, and the reconstruction and measurement of NLD was performed using the Mimics program. Results Overall NLD length, bony nasolacrimal duct (BNLD) length, anteroposterior and transverse diameters at the entrance to the BNLD, anteroposterior and transverse smallest diameters of the BNLD, BNLD volume, and lacrimal sac BNLD angle were significantly higher in males than females (p < .05). BNLD direction in the coronal plane was slightly more likely to be inward. The most common type in both sexes was cylinder type (42.0%), males were more likely to have lower‐thicker types (34.1%), and females more likely to have upper‐thicker types (22.7%). Conclusion There were sex differences in NLD measurements, and females had significantly smaller NLDs. These results may partially explain the increased prevalence of primary acquired NLD obstruction in females. The BNLD tends toward the midline, and inclines posteriorly.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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3D morphological classification of the nasolacrimal duct: Anatomical study for planning treatment of tear drainage obstruction

Lee

Yang

et al. 2020

Clinical Anatomy

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“…Para avaliação das estruturas da cavidade nasal e dos seios paranasais, a fim de identificar as possíveis causas da obstrução do ducto nasolacrimal, segundo Bolzan e Tucunduva 9 (2012), é indicado o uso de tomografia computadorizada (TC), pois possibilita análise detalhada devido à redução na sobreposição de imagens, relacionadas as radiografias. Em concordância com a escolha de método, Bulbul et al 10 em 2016 avaliaram a diferença morfológica da obstrução do ducto lacrimonasal por TC.…”

Section: Introductionunclassified

Avaliação da relação do desvio de septo com a obstrução do ducto nasolacrimal pela tomografia computadorizada helicoidal

Silva¹,

Rufino²,

Tucunduva³

2018

RO_UNICID

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O ducto nasolacrimal é um canal que tem início na porção medial anterior do assoalho da órbita e que deságua na cavidade nasal, no meato inferior. Por meio desse ducto a lágrima é recolhida e drenada da órbita para a cavidade nasal. A obstrução do ducto nasolacrimal pode apresentar diferentes etiologias, podendo ser doenças ou alterações anatômicas. Alterações no padrão de normalidade da relação entre o ducto nasolacrimal e o septo podem favorecer a obstrução do ducto. Com isso, faz-se necessário avaliar a distância normal entre o septo nasal e o ducto nasolacrimal, por meio de tomografia computadorizada de modo a conhecermos o padrão de distância comumente encontrado e analisar alterações desse padrão e a contribuição do desvio que possam levar à perda da saúde nessa região. Neste trabalho, foi utilizada uma amostra contendo 51 exames de tomografia computadorizada helicoidal da face, de ambos os gêneros, sendo 22 homens (43,13%), faixa etária entre 18 e 96 anos, e 29 mulheres (56,87%), faixa etária entre 20 e 73 anos. A análise das imagens foi feita em duas alturas, sendo a primeira ao nível da órbita e a segunda ao nível da raiz da concha nasal inferior e, então, foram mensurados, pelo programa Microdicon®, o comprimento e a largura do canal nasolacrimal e sua distância ao septo nasal. Em seguida, sofreram tratamento estatístico com técnicas não paramétricas. Devido ao desvio de septo das amostras, as distâncias entre o ducto nasolacrimal e o septo nas duas alturas apresentaram discrepância entre os valores. E a largura na altura da concha nasal inferior também apresentou discrepância, entretanto o valor de p foi 0,51, sugerindo que o resultado seja consequência do acaso. Com isso, não obtivemos resultados que possam correlacionar as dimensões do canal nasolacrimal com a direção do desvio do septo e a obstrução do ducto.

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“…인 역시 관련성이 있음을 보여준다 4. 8 Bulbul et al 4 과 Janssen et al 6 은 코눈물관막힘 환자에서 정상인보다 코눈물 관의 가로 직경이 좁다고 보고하였다.…”

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Evaluation of Bony Nasolacrimal Ducts in Koreans with Primary Acquired Nasolacrimal Duct Obstruction

Kim

Son

2017

J Korean Ophthalmol Soc

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Purpose:To evaluate the morphometric differences of bony nasolacrimal ducts (BNLDs) using computed tomography (CT) in Koreans with primary acquired nasolacrimal duct obstruction (PANDO). Methods: From March 2014 to March 2016, 40 unilateral PANDO patients and 40 control subjects were retrospectively reviewed. The axial, sagittal, and coronal planes of CT were used for image evaluation. The proximal, minimal, and distal transverse diameters (TDs) of the BNLD were assessed. The length, sagittal orientation angle of BNLD, relative lacrimal sac-BNLD angle, nasal floor-BNLD angle, and turbinate angle were investigated. In addition, the distance between the bilateral BNLD and inter-frontozygomatic suture distance were also measured. Results: There were no morphologic differences between the PANDO and non-PANDO sides within PANDO patients. The proximal and minimum BNLD TD measurements were significantly narrower in the PANDO patients, as compared with the control group (p = 0.010 and p = 0.017, respectively). The lacrimal sac-BNLD angle, nasal floor-BNLD angle, and turbinate angle also exhibited statistically significant differences between the PANDO patients and the control group (p = 0.019, p = 0.001, and p < 0.001, respectively). Conclusions: Although this study was performed in a small group, the narrow proximal and minimum BNLD TD in PANDO patients (in both the PANDO and non-PANDO sides) may be associated with PANDO development in Koreans. Additionally, the narrow lacrimal sac-BNLD, nasal floor-BNLD, and turbinate angle might be possible causative factors of PANDO.

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Morphometric Evaluation of Bony Nasolacrimal Canal in a Caucasian Population with Primary Acquired Nasolacrimal Duct Obstruction: A Multidetector Computed Tomography Study

Cited by 34 publications

References 15 publications

3D morphological classification of the nasolacrimal duct: Anatomical study for planning treatment of tear drainage obstruction

3D morphological classification of the nasolacrimal duct: Anatomical study for planning treatment of tear drainage obstruction

Avaliação da relação do desvio de septo com a obstrução do ducto nasolacrimal pela tomografia computadorizada helicoidal

Evaluation of Bony Nasolacrimal Ducts in Koreans with Primary Acquired Nasolacrimal Duct Obstruction

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