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Artigo | IMSEAR | ID: sea-198614

RESUMO

Introduction: The anatomical knowledge of tracheobronchial tree and its variations will be useful in case ofmany interventional treatments. Hence we undertook the present study to document the variation in branchingpattern of segmental bronchi and its clinical implication.Materials and Methods: The Study was done on 30 right & 30 left formalin fixed adult lungs obtained from thecadavers in the Department of Anatomy, Kempegowda Institute of Medical Sciences, Bangalore. The lung wasdissected along the primary bronchi to expose the branching pattern, till the segmental bronchi. Ramification ofbronchial tree was observed and photographed.Results: Regular pattern of B1 to B10 was found to be more on right side (76.6%), Absence of B7 was also more onright side. The pattern B7, B8+9+10(6.6%), was seen only on right side, whereas the patterns, B1+B2,B3, B7+8,B9+10,B7,B8,B9+10 and B7+8, B9,B10 was seen only in the left lungs. Two left lungs exhibited an accessory bronchusafter lingual division and three left lungs had three bronchi in lingual division.Conclusions: The knowledge of anatomical variability of branching pattern will be useful for interventionalradiologist, which would help to diagnose or predict many adverse outcomes of chest diseases at earlier stageand surgeons for planning segmental resections or pulmonary lobectomy.

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