Table 1 Category of etiologic diseases for elevated CA 19-9 without evidence of malignant or pancreatobiliary diseases.

From: Carbohydrate antigen 19-9 elevation without evidence of malignant or pancreatobiliary diseases

Etiologic diseases

No. of subjects

Hepatic diseases

63 (32.8%)

Pulmonary diseases

32 (16.7%)

Gynecologic diseases

38 (19.8%)

Endocrine diseases

13 (6.8%)

Spleen cyst

1 (0.5%)

Unknown cause

45 (23.4%)