{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,15]],"date-time":"2026-01-15T01:36:34Z","timestamp":1768440994234,"version":"3.49.0"},"reference-count":26,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2013,7,12]],"date-time":"2013-07-12T00:00:00Z","timestamp":1373587200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Med Imag Rad Onc"],"published-print":{"date-parts":[[2014,4]]},"abstract":"Abstract<\/jats:title>Introduction<\/jats:title>The purpose of this study was to determine the prevalence of paratracheal air cysts (PACs<\/jats:styled-content>), their correlation with different lung diseases and their connection with the trachea by chest multi detector computed tomography (MDCT<\/jats:styled-content>).<\/jats:p><\/jats:sec>Methods<\/jats:title>We retrospectively reviewed chest MDCT<\/jats:styled-content> images of 8240 consecutive patients obtained from J<\/jats:styled-content>anuary 2010 to D<\/jats:styled-content>ecember 2011 with a 16\u2010detector multi\u2010detector CT<\/jats:styled-content> scanner. PACs<\/jats:styled-content> were assessed for prevalence, location, level, size and the presence of visible communication with the trachea. MDCT<\/jats:styled-content> diagnoses were classified as normal, primary or metastatic malignancies, chronic obstructive pulmonary disease (COPD<\/jats:styled-content>), pneumonia and other lung diseases. We randomly selected 330 patients who had no visible PACs<\/jats:styled-content> for the control group. We evaluated the associations between patients' demographic findings (age and sex), MDCT<\/jats:styled-content> findings of lung and the presence of PACs<\/jats:styled-content>. The findings of the PACs<\/jats:styled-content> and control groups were compared. Statistical analysis used chi\u2010squared test and Mann\u2013Whitney U<\/jats:italic>\u2010test for evaluation.<\/jats:p><\/jats:sec>Results<\/jats:title>PACs<\/jats:styled-content> were presented in 301 patients (4%); 204 men and 97 women, ranging in age from 14 to 91 years (median\u2009=\u200957 years). There was no significant difference in the presence of PACs<\/jats:styled-content> by age (P<\/jats:italic>\u2009>\u20090.05). Male subjects showed higher prevalence (P<\/jats:italic>\u2009=\u20090.005). Fifty PACs<\/jats:styled-content> (16.6%) showed communication with the trachea or main bronchus. Although the relation between COPD<\/jats:styled-content> and PACs<\/jats:styled-content> was statistically significant (P<\/jats:italic>\u2009<\u20090.001), there was no relation between primary or metastatic malignancies, pneumonia and other lung diseases and PACs<\/jats:styled-content>.<\/jats:p><\/jats:sec>Conclusion<\/jats:title>PACs<\/jats:styled-content> are common in MDCT<\/jats:styled-content> and should not be misdiagnosed as pneumomediastinum. It should be kept in mind that PACs<\/jats:styled-content> may be associated with COPD<\/jats:styled-content>.<\/jats:p><\/jats:sec>","DOI":"10.1111\/1754-9485.12095","type":"journal-article","created":{"date-parts":[[2013,7,12]],"date-time":"2013-07-12T04:29:05Z","timestamp":1373603345000},"page":"144-148","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":29,"title":["Paratracheal air cysts: Prevalence and correlation with lung diseases using multi\u2010detector CT<\/scp>"],"prefix":"10.1111","volume":"58","author":[{"given":"Ahmet Veysel","family":"Polat","sequence":"first","affiliation":[{"name":"Department of Radiology Faculty of Medicine Ondokuz Mayis University Samsun Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Muzaffer","family":"Elmali","sequence":"additional","affiliation":[{"name":"Department of Radiology Faculty of Medicine Ondokuz Mayis University Samsun 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