The European Journal of Case Reports in Internal Medicine is an official journal of the European Federation of Internal Medicine (EFIM). The journal wants to promote the practice of internal medicine in Europe. Its aim is to provide a forum to internal medicine doctors.
EJCRIM is peer-reviewed with single-blind review and freely accessible to all.
Intralobar pulmonary sequestration is an uncommon congenital lung anomaly which consists of a mass of normal lung tissue not connected to the normal tracheobronchial tree and supplied by an anomalous systemic artery. Carbohydrate antigen 19-9 (CA 19-9) is widely accepted as a tumour marker for biliary, pancreatic and gastrointestinal cancer. However, CA 19-9 may also be increased in patients with benign disease. We describe the case of a 56-year-old woman with intralobar pulmonary sequestration who underwent unnecessary and extensive diagnostic abdominal examinations because of an increase in CA 19-9 serum levels.