Foreign-body reaction mimicking postneurosurgical infection after cranioplasty

David M Brett-Major1, Sean M Baraniak, Jonathan E Gilhooly

  • 1Division of Infectious Diseases, National Naval Medical Center, Bethesda, MD 20889-5600, USA.

Military Medicine
|August 15, 2008
PubMed

Insights

A woman developed a post-neurosurgical infection after polymethyl malacrylate revision cranioplasty. Prompt diagnosis of dural foreign-body reaction led to successful discontinuation of antibiotic therapy.

Area of Science:

  • Neurosurgery
  • Infectious Disease
  • Biomaterials Science

Background:

  • Revision cranioplasty using polymethyl malacrylate (PMMA) is a complex procedure.
  • Post-neurosurgical infections pose significant challenges in patient management.
  • Foreign-body reactions can mimic or complicate infectious processes.

Observation:

  • A 57-year-old female patient experienced a fall, necessitating a PMMA revision cranioplasty.
  • Following surgery, the patient exhibited clinical signs and symptoms suggestive of a post-neurosurgical infection.
  • Intraoperative findings further supported the suspicion of infection.

Findings:

  • The patient was diagnosed with a dural foreign-body reaction.
  • This diagnosis was distinct from a typical bacterial or fungal infection.
  • Parenteral antibiotic therapy was successfully withdrawn after diagnosis.

Implications:

  • Highlights the importance of considering foreign-body reactions in the differential diagnosis of post-cranioplasty complications.
  • Suggests that aggressive antibiotic treatment may not always be necessary for dural foreign-body reactions.
  • Emphasizes the need for accurate histopathological assessment in managing complex neurosurgical cases.