PMC8008243_01
Chest radiogram (A) and computed tomography image (B) show left pleural effusion and mild lymphadenopathy. No obvious infiltrative shadows or interstitial shadows are seen in the lung field.
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Chest radiography revealed a blunt left rib diaphragm angle, suggesting pleural effusion on the left side (Fig. 1). Chest contrast-enhanced computed tomography revealed pleural effusion only on the left side.
Lip biopsy specimen (hematoxylin and eosin staining, x100) demonstrates lymphocyte infiltration into the minor salivary glands or lacrimal glands.
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SS-B, and anti-ds-DNA antibodies. Since autoimmune hepatitis is frequently associated with autoimmune diseases and complaints of dry mouth, SS was suspected as the cause of the pleural effusion, and hence a lip biopsy examination was performed (Fig. 2).
Left pleural effusion decreases after the re-administration of steroids.
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After the blood pressure recovered to normal, the left pleural effusion decreased (Fig. 3) and the dry mouth symptoms improved.