Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.
From the case:
Pulmonary Langerhans cell histiocytosis
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The upper zones demonstrate coarsening of the pulmonary parenchymal markings with focal lucencies suggesting cystic spaces.
From the case:
Pulmonary Langerhans cell histiocytosis
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CT demonstrates irregular lucencies/cystic spaces most marked in the upper zones.
Case Discussion
I believe this case was shown to be pulmonary Langerhans cell histiocytosis although no additional information is available.
Case courtesy of Dr Laura Jimenez Juan.