[Epidural abscess and encephalocele following tegmen defect due to mastoidectomy: a case report]

Hatice Emir1, Zeynep Kizilkaya Kaptan, Hakan Göçmen

  • 1Department of Otolaryngology, Ankara Training and Research Hospital, Ankara, Turkey. emir.hatice@gmail.com.

Insights

A rare complication of chronic otitis media surgery, encephalocele with epidural abscess, occurred due to an unrepaired dural plate defect following a canal-wall down operation for cholesteatoma.

Area of Science:

  • Otolaryngology
  • Neurosurgery
  • Infectious Disease

Background:

  • Chronic otitis media with cholesteatoma often requires surgical intervention.
  • Canal-wall down tympanomastoidectomy is a common surgical approach.
  • Potential complications include dural plate defects and subsequent infections.

Observation:

  • A patient undergoing staged canal-wall down surgery for cholesteatoma developed an iatrogenic 0.5x0.5 cm dural plate defect in the tegmen tympani.
  • The dural defect was not repaired during the initial surgery.
  • The patient presented with encephalocele and epidural abscess within one month postoperatively.

Findings:

  • An unrepaired dural plate defect can lead to encephalocele.
  • Postoperative infection can exacerbate complications from dural defects.
  • Encephalocele with epidural abscess is a rare but serious complication.

Implications:

  • Highlights the critical importance of meticulous surgical technique in preventing dural injuries.
  • Underscores the need for prompt recognition and management of dural defects.
  • Emphasizes the potential for severe intracranial complications following otologic surgery.