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Cholesterol Granuloma Development following Temporal Bone Surgery.

Alex D Sweeney1, L Mariel Osetinsky2, Jacob B Hunter3

  • 1Bobby R. Alford Department of Otolaryngology-Head and Neck Surgery, Baylor College of Medicine, Houston, Texas, USA alex.sweeney@bcm.edu.

Otolaryngology--Head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
|March 3, 2016
PubMed
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Cholesterol granulomas (CGs) after temporal bone surgery are rare. Many asymptomatic patients with CGs may be managed conservatively, avoiding surgical intervention.

Area of Science:

  • Otolaryngology
  • Neurosurgery
  • Pathology

Background:

  • Cholesterol granulomas (CGs) are rare, benign inflammatory lesions.
  • Postoperative CGs can develop years after temporal bone surgery, presenting diagnostic and management challenges.

Purpose of the Study:

  • To describe the clinical presentation and management of patients with CGs following temporal bone surgery.
  • To evaluate the outcomes of conservative versus surgical management for these rare postoperative complications.

Main Methods:

  • A multicenter retrospective review of patients diagnosed with CGs after temporal bone surgery between 2001 and 2014.
  • Exclusion of patients with idiopathic petrous apex CGs or less than 6 months follow-up.
  • Analysis of demographic data, clinical presentation, and symptom evolution over time.
Keywords:
cholesterol granulomaskull basetemporal bonetympanomastoidectomy

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Main Results:

  • Twenty patients met inclusion criteria, with diagnosis occurring a median of 94.5 months post-surgery.
  • Common symptoms included otalgia (55%) and otorrhea (40%).
  • Observation management was successful in 71.4% of asymptomatic patients, while 66.7% of surgically treated patients achieved durable symptom relief.

Conclusions:

  • Postoperative cholesterol granulomas in the temporal bone are rare and can manifest years after surgery.
  • Conservative management may be appropriate for many asymptomatic patients with CGs.
  • Surgical intervention can provide durable symptom relief in select cases.