case_images: PMC8008243_01
case_images: 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.
case_images: gr1.jpg
case_images: PMC8008243_01_gr1.jpg
case_images: fig1
case_images: 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.
case_images: Lip biopsy specimen (hematoxylin and eosin staining, x100) demonstrates lymphocyte infiltration into the minor salivary glands or lacrimal glands.
case_images: gr2.jpg
case_images: PMC8008243_01_gr2.jpg
case_images: fig2
case_images: 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).
case_images: Left pleural effusion decreases after the re-administration of steroids.
case_images: gr3.jpg
case_images: PMC8008243_01_gr3.jpg
case_images: fig3
case_images: After the blood pressure recovered to normal, the left pleural effusion decreased (Fig. 3) and the dry mouth symptoms improved.