How many lobes do you see?

Karangelis, Dimos; Tagarakis, Georgios I; Chlapoutakis, Serapheim; Papadopoulos, Dimitrios; Roubelakis, Apostolos; Hevas, Athanasios; Daskalopoulos, Marios E.; Tsantsaridou, Angeliki; Lampoura, Stefania; Tsilimingas, Nikolaos

doi:10.1186/1749-8090-6-145

Cited by 4 publications

(2 citation statements)

References 5 publications

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“…Sin lugar a duda, tal como se muestra en esta investigación, son las variaciones en el número de bronquios segmentarios las que con más frecuencia se presentan, ya sea por exceso, cuando es un número mayor de ramas que las habitualmente descritas o por defecto cuando el número es menor. [10][11][12] Algunos investigadores se limitan a la descripción de lóbulos y segmentos supernumerarios por su importancia en cuanto a su localización y frecuencia. En un estudio realizado en 263 casos se observaron 214 con variaciones en los bronquios segmentarios del lóbulo superior derecho.…”

Section: Discussionunclassified

Principales variantes anatómicas en bronquios y arterias segmentarias en pulmones humanos

Saladrigas-Sarduy

Méndez-Pimentel

Bacallao-Cabrera

et al. 2020

Salud

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Contexto: El cáncer de pulmón es la enfermedad causante de la mayor mortalidad por neoplasias malignas, tanto a escala mundial como en Cuba, por lo que el conocimiento de las complejas variaciones anatómicas y un acertado conocimiento de la anatomía individual se ha convertido en algo cada más importante para los cirujanos torácicos generales al ejecutar una cirugía precisa y segura. Objetivo: Describir las principales variantes anatómicas en bronquios y arterias segmentarias en pulmones humanos. Metodología: Se realizó un estudio descriptivo y transversal en 50 bloques de pulmones humanos obtenidos mediante necropsia del departamento de Medicina Legal del Hospital Docente Clínico Quirúrgico Amalia Simoni de Camagüey. Resultados: se observaron las variantes en los bronquios segmentarios según el número, predominaron los bronquios supernumerarios B1, B2 y B3 en ambos pulmones. La mayor parte de las piezas presentó arterias segmentarias supernumerarias en ambos pulmones A1, A2, A3 y A6. Las variantes en el origen tanto en bronquios como en arterias fueron raras. Conclusiones: Las variantes de número predominaron respecto a las de origen, se observaron con mayor frecuencia en los lóbulos superiores de ambos pulmones y predominó la duplicidad.

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Section: Discussionunclassified

Principales variantes anatómicas en bronquios y arterias segmentarias en pulmones humanos

Saladrigas-Sarduy

Méndez-Pimentel

Bacallao-Cabrera

et al. 2020

Salud

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“…Accessory fissures can occur on both sides, and its prevalence reported by anatomists ranges from 0.9% to 8%. 4–7 However, a true three-lobed left lung has not been previously reported. In this report, we present the intraoperative characteristics of a rare, anatomical, left three-lobed variant found during a left lung transplant.…”

Section: Introductionmentioning

confidence: 99%

Transplantation of a three-lobed donor left lung: A case report

Jacob

Makey

Ahmed

et al. 2019

SAGE Open Medical Case Reports

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A true left middle lobe (lingular lobe) is very rare, but accessory fissures can be unexpectedly found at transplant. Pre-transplant knowledge of accessory lobes and accessory fissures aids in preparation, transplantation, postoperative assessment, and long-term care planning; however, fissures and accessory lobes can be overlooked by radiologists during routine evaluation of images. Here, we describe the first left lung with three anatomical lobes that was successfully transplanted into a 63-year-old patient with idiopathic pulmonary fibrosis. This anatomical variation did not change our surgical plan or technique, but surgeons should be aware of this possibility, especially when planning postoperative care.

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Surface anatomy of the pulmonary fissures determined by high‐resolution computed tomography

2012

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The aim of our study was to describe the surface anatomy of the interlobar fissures using volumetric thin-section high-resolution computed tomography (HRCT). Retrospective assessment of HRCT examinations of 250 patients was performed. The localization of the oblique fissures was marked at three sites: posteriorly at its most superior medial limit, laterally in the midaxillary line, and inferiorly at the junction of the middle and lateral thirds of the hemithorax; posteriorly and laterally, this was to the nearest rib whilst inferiorly the position was described in relation to the diaphragm or chest wall. The localization of the horizontal fissure was marked anteriorly in relation to the nearest rib (or costal cartilage) and posteriorly where it intersected with the oblique fissure (superior, middle, or inferior third). Shapes of the fissures and differences between inspiration and expiration were also documented. Descriptive statistics were used to report the most frequent positions. The most frequent localization of the oblique fissure on the left side was posteriorly at the fourth rib (45%), laterally at the sixth rib (52%), and inferiorly in the anterior third of the hemidiaphragm (60%). The right oblique fissure was located posteriorly at the fifth rib (50%), laterally at the sixth rib (50%), and inferiorly in the anterior third of the hemidiaphragm (71%). The horizontal fissure most commonly originated in the middle third of the oblique fissure (61%) and met the anterior thoracic wall at the level of the fourth rib (51%). The most frequent shape of the left oblique fissure was linear (78%), whereas S-shaped and linear configurations (28% each) were most frequent on the right. No difference was found in the surface markings of the fissures between inspiration and expiration in 90% of cases. The considerable individual variation in the position and shape of the interlobar fissures helps to explain the variable descriptions of their surface anatomy in the literature.

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How many lobes do you see?

Cited by 4 publications

References 5 publications

Principales variantes anatómicas en bronquios y arterias segmentarias en pulmones humanos

Principales variantes anatómicas en bronquios y arterias segmentarias en pulmones humanos

Transplantation of a three-lobed donor left lung: A case report

Surface anatomy of the pulmonary fissures determined by high‐resolution computed tomography

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