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Int J Radiat Oncol Biol Phys. 1990 Dec;19(6):1363-7.

Radiation therapy of squamous cell carcinoma of the nasal vestibule.

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  • 1Department of Radiation-Oncology, Dr. Daniel den Hoed Cancer Center, University Hospital Dijkzigt, Rotterdam, The Netherlands.

Abstract

From 1978 until 1988, 63 consecutive patients with squamous cell carcinoma of the nasal vestibule were treated by radiation therapy. Mean follow-up time was 46 months. Thirty-five patients were classified as having T1N0 tumors, 24 as T2N0; four patients were staged as T1/2N+. Treatment of the primary consisted of external radiation (n = 17), interstitial radiation (n = 37), or external radiation combined with interstitial radiation (n = 9). With respect to the N0 patients, local relapse was found in 3% (1/35) of T1 tumors and in 21% (5/24) of T2 tumors. Three out of six failures were salvaged by surgery. Elective irradiation of both sides of the neck (40 Gy) was performed in 9 T1 and in 16 T2 patients. Two regional failures occurred in the electively irradiated necks, two in the non-irradiated necks. Regarding the T1/2N+ patients, three relapsed locally and/or regionally, and one remains NED. For all 63 patients, a 5-year corrected survival of 90%, a relapse-free survival of 80%, and an overall survival of 65% were observed. In summary, for optimal local control and cosmesis we feel that for T1,2 N0 tumor stages a dose of 60 Gy for T1 and 70 Gy for T2 tumors is adequate treatment. The primary tumor is irradiated preferentially in our view, by means of interstitial techniques; furthermore, our data do not support the use of elective neck RT. Although patients rarely present with lymph node metastasis (6%), the prognosis of T1,2 N+ patients remains grim and more aggressive (surgical) treatment might be needed for this category.

PMID:
2262359
[PubMed - indexed for MEDLINE]
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