Presentation
Severe dyspnea and cough.
Patient Data
Age: 30 years
Gender: Female
From the case:
Lymphocytic interstitial pneumonitis
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![This study is a stack](/packs/stack-YQKLCKBI.gif)
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![This study is a stack](/packs/stack-YQKLCKBI.gif)
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![This study is a stack](/packs/stack-YQKLCKBI.gif)
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![This study is a stack](/packs/stack-YQKLCKBI.gif)
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Info
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Bilateral pulmonary diffuse (with lower lobe predominance) ground glass attenuation, thickened bronchovascular bundles and interstitial thickening, ill-defined pulmonary nodules and multiple scattered thin walled air cysts.
Multiple mildly enlarged mediastinal lymph nodes.
Multiple right rib fractures.
Case Discussion
Lymphocytic interstitial pneumonitis (LIP) is uncommon and is seen mainly in patients with autoimmune disease and AIDS patients. This patient had a history of Sjogren syndrome.
The differential diagnosis includes diseases with lung cysts such as:
-
lymphangioleiomyomatosis (LAM)
- occur in younger females
- cysts are generally uniformly distributed throughout the lungs
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Langerhans cell histiocytosis (LCH)
- males usually smokers
- bizarre cysts that spare the costophrenic angles
- small ill-defined stellate nodules in centrilobular location
- upper lung zone predominant