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Am J Otol. 2000 Jul;21(4):582-8.

Squamous cell carcinoma of the external auditory canal: an evaluation of a staging system.

Author information

1
Department of Otolaryngology, University of Pittsburgh Medical Center, Pennsylvania, USA.

Abstract

OBJECTIVE:

The study was conducted to review a staging system proposed by the University of Pittsburgh for temporal bone cancer and to evaluate survival status according to stage, treatment, and certain prognostic factors.

STUDY DESIGN:

The study was a retrospective case review.

SETTING:

The study was conducted at a tertiary care medical center and specialty hospital.

PATIENTS:

Thirty-two patients with primary squamous cell carcinoma of the external auditory canal were studied.

INTERVENTION:

All patients underwent surgery of the temporal bone. Radiotherapy was given depending on tumor stage and histopathologic findings.

MAIN OUTCOME MEASURES:

The 2-year survival rates of patients undergoing surgical resection with or without adjuvant radiotherapy.

RESULTS:

The 2-year survival rates for primary squamous cell carcinoma of the temporal bone were as follows: T1 lesions 100%, T2 80%, T3 50%, and T4 7%. Survival for T3 tumors was 75% with postoperative radiotherapy, compared with 0% with surgery alone.

CONCLUSIONS:

The 2-year survival data directly correlated with the staging system. The use of adjuvant radiotherapy increased survival rate in patients with a T3 lesion.

PMID:
10912706
[Indexed for MEDLINE]

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