[Subphrenic abscess due to ectopic appendicitis]

Abstract

Background: Idiopathic subphrenic abscesses are uncommon in children. Standard chest X-rays may provide the suspicion of this diagnosis. Initial percutaneous drainage of the collection is usually performed. Surgery is required when the underlying cause remains unknown.

Case report: A 12-year-old boy presented signs of pulmonary abscess. Chest X-rays, ultrasonography and computed tomography established the diagnosis of a right subphrenic abscess, which was percutaneously drained. Surgery disclosed an ectopic appendiceal perforation.

Conclusion: In children, appendicitis is the main etiology of primary or postoperative subphrenic suppurations. Ectopic appendicitis is an important predisposing factor to this complication.