Abstract
We studied int-2 and bcl-1 gene amplification in 21 operated patients with cancer of the larynx. In 9 cases, the int-2 gene was amplified (42.9%) and in 4 cases, the bcl-1 gene was amplified (25.0%). Co-amplification of int-2 and bcl-1 was observed in three cases (18.8%), all of which were glottic carcinomas. Other amplified cases were supraglottic carcinomas. Tumor specimens with int-2 amplification were associated with a significantly worse prognosis. We suggest that int-2 amplification is one of the prognostic factors in laryngectomized patients with cancer of the larynx.
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