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Bronchial diverticula detected by multidetector-row computed tomography: incidence and clinical features.
MedLine Citation:
PMID:  20818276     Owner:  NLM     Status:  In-Data-Review    
PURPOSE: Our aim was to investigate the incidence and characteristics of bronchial diverticula using multidetector-row computed tomography (MDCT) and to evaluate their association with smoking status.
MATERIALS AND METHODS: Two radiologists retrospectively reviewed MDCT scans obtained between December 2007 and February 2008 with a 4-row or a 64-row MDCT scanner for 1122 consecutive patients. Bronchial diverticula were assessed for incidence, locations, and sizes. Smoking history, including the Brinkman Index, was recorded from clinical records. Statistical analysis used χ or t tests to evaluate associations between patients' clinical information (age, sex, or smoking history) and the presence of bronchial diverticula.
RESULTS: A total of 401 bronchial diverticula were found in 242 (21.6%) patients (mean, 1.65; mode, 1 per patient). Most diverticula were 1 or 2 mm in size. Bronchial diverticula were most frequently detected in the subcarinal region. Of these 242 patients with diverticula, 142 (58.7%) were male and had a higher prevalence than women (P<0.01). No significant difference in age was found between the groups with and without bronchial diverticula. Although bronchial diverticula were also observed in lifelong nonsmokers, the group with bronchial diverticula had a higher percentage of smokers than the group without bronchial diverticula (P=0.01). The Brinkman Index for the group with bronchial diverticula was significantly higher than for the group without diverticula (P<0.01).
CONCLUSIONS: Bronchial diverticula are frequently observed on chest MDCT scans and are associated with cigarette smoking.
Tetsuhiro Miyara; Yasuji Oshiro; Tsuneo Yamashiro; Hisashi Kamiya; Kazuhiko Ogawa; Sadayuki Murayama
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of thoracic imaging     Volume:  26     ISSN:  1536-0237     ISO Abbreviation:  J Thorac Imaging     Publication Date:  2011 Aug 
Date Detail:
Created Date:  2011-07-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8606160     Medline TA:  J Thorac Imaging     Country:  United States    
Other Details:
Languages:  eng     Pagination:  204-8     Citation Subset:  IM    
Department of Radiology, University of the Ryukyus, Nishihara-cho, Okinawa, Japan.
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