Abstract
A four-year-old boy was admitted to our hospital complaining of fever and abdominal pain, which persisted for 3 days. Although abdominal pain was mild and there was no muscular guarding, laboratory findings showed severe inflammation. Computed Tomography did not show any abnormal findings in the abdomen, but detected a left mediastinal mass near the lower lobe of the left lung associated with pleural effusion. Because pleural effusion and inflammatory symptoms became worse after admission, we could not rule out inflammatory tumors or malignant tumor. After drainage of the hemorrhagic pleura! effusion and antibiotic drug administration, the inflammatory symptoms subsided. On the 14th hospital day, we performed the mass resection through left thoracotomy,which revealed torsion of extralobar pulmonary sequestration confirmed by histopathological examination. On the fifth postoperative day, acquired diaphragmatic hernia occurred, which was subsequently repaired. Otherwise, the postoperative course was uneventful. This is a rare case report of torsion of extralobar pulmonary sequestration manifested by acute abdomen in children.
