Lymphocytic interstitial pneumonitis
SOBOE and dry cough for several years. Non smoker.
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There are numerous thin-walled well-defined smotth cysts of various sizes randomly distributed throughout the lungs. Scatter ground glass attenuation and small nodules are also seen. These appearances are stable from previous CTs in the last 2 years.
No pleural effusion or lymphadenopathy. Coronary arterial calcification and LAD stent noted.
The patient had a history of Sjogren's / Sicca syndrome, which has a known association with LIP.
Case courtesy of A/Prof Karin Steinke.