IJAR.2017.320
Type of Article: Original Research
Volume 5; Issue 3.2 (August 2017)
Page No.: 4313-4316
DOI: https://dx.doi.org/10.16965/ijar.2017.320
MORPHOLOGICAL VARIATIONS OF THE LUNG: A CADAVERIC STUDY IN MUMBAI POPULATION
Deepak Khedekar *1, Shanta Hattangdi 2.
*1 Assistant Professor, Department of Anatomy, LTMMC & GH, Sion, Mumbai.MH, India.
2 Professor & Head, Department of Anatomy, LTMMC & GH, Sion, Mumbai. MH, India.
*Corresponding author: Dr.Deepak N.Khedekar, Department of Anatomy, Lokamanya Tilak Municipal Medical College & GH, Sion, Mumbai, India.400022 Tel: +91-02224063214 Mobile – 9224449950 E-Mail: drdeepak2025@yahoo.co.in
ABSTRACT
Introduction: The lungs are vital organs of respiration and are situated in the thoracic cavity on either side of the mediastinum. The lungs are divided by fissures into lobes which facilitate movements of lobes in relation to one another during respiration. The arrangement of lung tissue into lobes helps in uniform expansion of the whole lung in inspiration. As a medical specialist detailed knowledge of anatomical variations in lung is important.
Materials and Methods: We studied the variations of fissures, lobes and hilar structures in 25 right and 25 left isolated lungs from the anatomy dissection hall at LTMMC &GH, Sion, Mumbai, India.
Results: Right lung variations – 8% were without any fissures. Horizontal fissure was incomplete in 20%. 1(4%) showed incomplete oblique fissure and 4 % had accessory fissures. 12 % had 3 arteries, 4 % had only one artery and remaining (84 %) had 2 arteries in the hilum. 1(4%) had one vein in the hilum,2 (8 %) had 3 veins in the hilum remaining 22 (88 %) had two veins in the hilum. Only 1 right lung shows one bronchus in the hilum, remaining showed 2 bronchi in hilum. Left lung variations:1(4 %) showed incomplete oblique fissure and 1( 4 %) showed 2 fissures and 3 lobes which is quiet interesting finding. 8 % showed 2 arteries and remaining had only one artery in the hilum. 1(4%) had one vein in the hilum and1( 4 %) had 3 veins in the hilum and remaining 92% having 2 veins in hilum. 6 (24 %) of had 2 bronchi and 1 (4 %) had only one bronchus in the hilum rest are having 1 bronchus in the hilum.
Conclusion: The knowledge of variations in the lobar and hilar anatomy of the lung presented in this study is clinically important while interpreting the radiological images and performing surgical procedures.
Key words: Lung, hilum, Pulmonary, lobe, fissure, accessory fissure.
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