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Increased local recurrence in advanced parotid malignancy treated with mastoidectomy without lateral temporal bone
Sameep Kadakia1, David Chan2, Yadranko Ducic3
1Department of Head and Neck Surgery, New York Eye and Ear Infirmary of Mount Sinai, New York, NY, USA.
Objective:
We analyzed patients with advanced parotid malignancy requiring proximal facial nerve exposure undergoing mastoidectomy versus lateral temporal bone resection to determine differences in local and distant recurrence.
Study Design:
The study design is a case series with chart review.
Setting:
The setting is in Tertiary care practice in Fort Worth, Texas from January1998 to January 2014.
Subjects And Methods:
The study included 120 patients with advanced parotid malignancy, 82 males between 19 and 87 years, and 38 females between 26 and 83 years. Patients with no overt bone involvement were treated with parotidectomy and mastoidectomy for exposure of the proximal facial nerve, and patients with clinically suspected (radiographic imaging or clinical fixation) bone involvement were treated with parotidectomy and lateral temporal bone resection. Follow up ranged from a minimum of 18 months to 11 years following surgery.
Results:
Sixty patients were treated with mastoidectomy and 60 were treated with lateral temporal bone resection. In patients treated with mastoidectomy, 13 had local recurrence and 7 had distal recurrence. In patients treated with lateral temporal bone resection, 2 had local recurrence while 9 had distant recurrence. Statistical analysis revealed that patients treated with mastoidectomy developed local recurrence (p = 0.0022) more commonly than those treated with lateral temporal bone resection. There was no significant difference in distant recurrence between both groups (p = 0.5949).
Conclusions:
Patients with advanced parotid malignancy should be treated aggressively with parotidectomy and lateral temporal bone resection regardless of bone involvement due to increased risk of local recurrence in those treated with mastoidectomy alone.
Level Of Evidence:
Level of evidence is a 4 case series.
