Many causes: A mosaic pattern in this age group can mean many different things. Interstitial lung disease is a disease of adults, not children. Infection and inflammation are the 2 primary considerations. A biopsy may be required to help sort out the accurate diagnosis.
Answered 5/20/2013
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Some thoughts.: A mosaic pattern on a CT scan of the chest may indicate areas of air trapping and inconsistent ventilation. If he is old enough, a pulmonary function test may add more information. If he has had a respiratory illness requiring hospitalization, there can be changes in the airways which can also lead to these findings.
Answered 1/5/2019
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