Related Experiment Video
Updated: Nov 10, 2025
11:29
Anteromesial Temporal Lobectomy for Medically Intractable Temporal Lobe Epilepsy: An Operative Study
Published on: August 15, 2025
1.4K
Factors and Outcomes Associated With Temporal Bone Resection for Primary Parotid Malignancy
Ved A Tanavde1, Joseph Broderick1, Melina J Windon1
1Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, U.S.A.
The Laryngoscope
|April 2, 2021
Summary
Parotid cancer invading the temporal bone is more common than primary ear canal cancer. Advanced stage, higher grade, adenoid cystic histology, and academic facilities predict the need for temporal bone resection (TBR).
Area of Science:
- Oncology
- Surgical Oncology
- Head and Neck Cancer
Background:
- Parotid cancer invading the temporal bone is a rare but significant clinical challenge.
- It is relatively understudied compared to primary external auditory canal cancers.
- Understanding factors associated with temporal bone resection (TBR) is crucial for patient management.
Purpose of the Study:
- To identify factors associated with parotidectomy requiring temporal bone resection (TBR).
- To evaluate immediate postoperative outcomes in patients undergoing parotidectomy with or without TBR.
Main Methods:
- Retrospective review of the National Cancer Database (2004-2015).
- Analysis of patients with primary parotid malignancy undergoing parotidectomy with or without TBR.
- Multivariate logistic regression to identify predictors of TBR.
Main Results:
- 134 patients underwent parotidectomy with TBR; 16,595 without.
- Factors associated with TBR included academic facility, advanced clinical stage (III/IV), higher histologic grade (II-IV), and adenoid cystic histology.
- No significant differences in 30-day readmission or mortality; higher positive margin rates in TBR group.
Conclusions:
- Tumor characteristics (stage, histology) and treatment at an academic facility are key predictors for TBR.
- Demographic factors were not significant predictors.
- TBR is associated with higher positive surgical margins but similar short-term outcomes.
