Anatomy for the bronchologist: A prospective study of the normal endobronchial anatomic variants

Rodrigues, Luís Vaz; Martins, Yvette; Guimarães, C.; Santis, M. De; Marques, António Leitão; Barata, Fernando

doi:10.1016/j.rppnen.2011.06.004

Cited by 6 publications

(5 citation statements)

References 5 publications

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“…If this happens, part of the lower right lobe may be mislabeled as the middle right lobe. The second assumption may fail if the heuristics do not take into account variations in human bronchial anatomy, where lobar divisions do not always follow the simplified 'textbook' model [78].…”

Section: Labeling Of Bronchial Treementioning

confidence: 99%

Review of automatic pulmonary lobe segmentation methods from CT

Doel¹,

Gavaghan²,

Grau³

2015

Computerized Medical Imaging and Graphics

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Section: Labeling Of Bronchial Treementioning

confidence: 99%

Review of automatic pulmonary lobe segmentation methods from CT

Doel¹,

Gavaghan²,

Grau³

2015

Computerized Medical Imaging and Graphics

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“…There are numerous variations in bronchial segmentation that affect 43% of normal persons. 13 These variants are predominately bifurcations, with a prevalence of 16.6-71.6% in the right upper lobe. 13,14 Foster-Carter 15 distinguished between supernumerary bronchus (the simultaneous presence of all segmental bronchi) and displaced bronchus (the location of a segmental bronchus distant from its theoretical origin).…”

Section: Discussionmentioning

confidence: 99%

“…13 These variants are predominately bifurcations, with a prevalence of 16.6-71.6% in the right upper lobe. 13,14 Foster-Carter 15 distinguished between supernumerary bronchus (the simultaneous presence of all segmental bronchi) and displaced bronchus (the location of a segmental bronchus distant from its theoretical origin). According to this, the authors' case was a supernumerary bronchus.…”

Section: Discussionmentioning

confidence: 99%

Five Segments of the Right Upper Lobe Bronchus on Bronchoscopic Anatomy: A Rare Case Report and Review of Literature

Sharma,

Rai,

Kumar

et al. 2023

EMJ Respir

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The authors present a case of a 77-year-old female, a former smoker with a history of chronic obstructive pulmonary disease who underwent bronchoscopy for evaluation of haemoptysis. The bronchoscopy revealed an anatomical variant of the right upper lobe bronchus with five branches instead of the usual three. This case report describes a peculiar anatomical abnormality in the right upper lobe. A review of the literature related to various variants in bronchial anatomy is presented. Conclusion: Awareness of this anatomical variation provides valuable information to clinicians, particularly thoracic surgeons, to plan surgical interventions, tailor procedures, and minimise complications.

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“…The purpose of this preliminary work is to study variations in bronchial distribution in Classically, the right upper lobar bronchus ends with trifurcation in apical segmental bronchi (B1), dorsal (B2) and ventral (B3) [1]. Bronchial segmentation is subject to many variations that involve 43% of normal subjects [2]. These variations, which predominate in the right upper lobe with a prevalence of 16.6 to 71.6% [2][3], are dominated by bifurcations.…”

mentioning

confidence: 99%

“…Bronchial segmentation is subject to many variations that involve 43% of normal subjects [2]. These variations, which predominate in the right upper lobe with a prevalence of 16.6 to 71.6% [2][3], are dominated by bifurcations. Knowledge of these variations is essential for the the upper lobe of the right lung in the Senegalese subject.…”

mentioning

confidence: 99%

Anatomical variations of bronchial distribution in the upper lobe of the right lung

Astou¹,

Bigué²,

Karim³

et al. 2021

IJAR

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Bronchial distribution in the upper lobe of the right lung is subject to many anatomical variations. The control of these variations is essential for the interpretation of endoscopic examinations. It also offers a better guarantee for safe surgery during segmentations in the right upper lobe. In this preliminary work, the operation of 30 heart-lung blocks treated by the injection-corrosion method, 100 CT chest and dissections of 3 resected specimen of right upper lobectomy, allowed us to study the bronchial distribution in the upper lobe of the right lung as well as their anatomical variations in melanoderm subjects. Our results were as follows: out of the 133 specimens, the right upper lobar bronchus was born on average 1.8 cm from the tracheal bifurcation, with an average length of 1.75 cm. There were 6 termination modes, dominated by bifurcations, which involved 52% of the specimens, and in 5 modes. Trifurcation accounted for 47.37% of cases. There was a case of quadrifurcation. These results allowed us to discuss anatomical variations of the bronchial shaft of the upper lobe of the right lung. Taking into account these variations will allow to avoid pitfalls and accidents during endoscopic examinations, medical imaging and pulmonary exeresis. KEY WORDS: Bronchi-Right Upper Lobe-Anatomy-Variations- Endoscopy-Imaging-Surgery.

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Anatomy for the bronchologist: A prospective study of the normal endobronchial anatomic variants

Cited by 6 publications

References 5 publications

Review of automatic pulmonary lobe segmentation methods from CT

Review of automatic pulmonary lobe segmentation methods from CT

Five Segments of the Right Upper Lobe Bronchus on Bronchoscopic Anatomy: A Rare Case Report and Review of Literature

Anatomical variations of bronchial distribution in the upper lobe of the right lung

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