To analyze serial measurements of squamous cell carcinoma antigen (SCCAg) to determine its prognostic significance in squamous cell carcinoma of the head and neck (SCCHN).
Retrospective analysis of serial SCCAg measurements in 75 patients with squamous cell carcinoma of the head and neck. Serum samples were obtained preoperatively and at postoperative intervals ranging from 1 week to 36 months. Serum SCCAg levels were determined by radioimmunoassay.
Oncologic head and neck practice at a tertiary referral hospital.
Tumor Registry data of 75 consecutive patients with at least three postoperative SCCAg determinations were reviewed to provide equal numbers of patients with and without recurrent disease. All patients who remained disease-free were followed up for at least 2 years. All patients were previously untreated and underwent surgical therapy.
Main Outcome Measures:
Association of postoperative SCCAg levels and 2-year disease-free survival.
No differences in preoperative levels were noted, but SCCAg levels predicted 2-year disease-free survival at 6, 9, and 12 months after surgery. The ratio of postoperative SCCAg levels to preoperative and early postoperative levels also provided prognostic information.
Serial measurements of SCCAg postoperatively in patients with head and neck cancer predict outcome and may allow for earlier detection of recurrent disease. Further studies are needed to determine if earlier detection can be translated into improved survival.(Arch Otolaryngol Head Neck Surg. 1995;121:1294-1297)
Snyderman CH, D'Amico F, Wagner R, Eibling DE. A Reappraisal of the Squamous Cell Carcinoma Antigen as a Tumor Marker in Head and Neck Cancer. Arch Otolaryngol Head Neck Surg. 1995;121(11):1294–1297. doi:10.1001/archotol.1995.01890110068012
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