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Scientific Articles

Morphological variations of lung lobes and fissures: a preliminary study

Authors:

Yasith Mathangasinghe ,

University of Colombo Faculty of Medicine Colombo Western, LK
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UMJE Samaranayake,

Faculty of Medicine, Sabaragamuwa University of Sri Lanka, LK
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K Abarana,

Base Hospital, Homagama, LK
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Udari Apsara Liyanage,

Faculty of Medicine, University of Colombo, LK
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Yamuna N Rajapakse

Faculty of Medicine, University of Colombo, LK
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Abstract

Introduction
Anatomical variations of the lung lobes and fissures have
implications in diagnostic radiology and thoracic procedures.
The prevalence of these variations is not reported in Sri
Lanka.


Methods
A cross-sectional study was conducted on cadavers to assess
the morphological variations of lung lobes and fissures. The
presence and absence of lung lobes and fissures were reported
in addition to describing the completeness of the major lung
fissures.


Results
A total of 24 lungs in 12 cadavers were studied. Inferior
accessory fissures were noted in one right and one left lung of
two independent cadavers. Two cadavers had no horizontal
fissures, and one left lung had an incomplete oblique fissure
posteriorly. Azygos lobe was not observed in this study
sample.


Conclusions
The morphology of lung lobes and fissures demonstrate a
notable variability, on par with previous reports. Further
studies with a large sample size in our population are
necessary for generalizable results.

How to Cite: Mathangasinghe Y, Samaranayake U, Abarana K, Liyanage UA, Rajapakse YN. Morphological variations of lung lobes and fissures: a preliminary study. Sri Lanka Journal of Surgery. 2021;39(3):24–7.
Published on 30 Nov 2021.
Peer Reviewed

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