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February 1995

T3 Glottic Carcinoma Revisited: Transglottic vs Pure Glottic Carcinoma

Author Affiliations

From the Department of Otolaryngology, University of Pittsburgh (Pa) School of Medicine.

Arch Otolaryngol Head Neck Surg. 1995;121(2):166-170. doi:10.1001/archotol.1995.01890020028007

Objective:  To compare results of treatment of patients who have T3 transglottic carcinoma with patients who have T3 pure glottic carcinoma.

Design:  A retrospective cohort study from January 1976 to December 1990 with a minimum 2-year follow-up.

Setting:   Eye and Ear Hospital, University of Pittsburgh Medical Center.

Patients:  The medical records of 161 patients with T3 glottic carcinoma were reviewed. We excluded 17 patients who were unavailable for follow-up or who had died of other causes but were free of glottic carcinoma. Therefore, 144 patients were entered into this study—79 patients with transglottic carcinoma and 65 with pure glottic carcinoma.

Intervention:  Three treatment groups consisted of the following: 30 patients in whom a full course of radiation therapy failed and who subsequently underwent salvage surgery; 92 patients who underwent surgery only; and 22 patients who underwent surgery and had postoperative radiation therapy. Seventy-five patients had total laryngectomy, and 69 had total laryngectomy with neck dissection.

Main Outcome Measures:  Cervical metastasis, extracapsular spread, local failure, stomal recurrence, distant metastasis, and 2 years with no evidence of disease.

Results:  Patients with T3 transglottic carcinoma had a higher incidence of occult cervical metastasis (12% vs 9%), overall cervical metastasis (27% vs 17%), and extracapsular spread (43% vs 27%) than did patients with T3 pure glottic carcinoma. Two years of no disease was similar in these two groups (80% vs 79%). Extracapsular spread had a notable effect on distant metastasis and on 2 years of no disease.

Conclusion:  Patients with T3 transglottic carcinoma had a higher incidence of cervical metastasis and extracapsular spread than patients with T3 pure glottic carcinoma. Every patient with T3 transglottic carcinoma should be treated with total laryngectomy with neck dissection.(Arch Otolaryngol Head Neck Surg 1995;121:166-170)

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