Cervical nodal metastases from occult primary: undifferentiated carcinoma versus squamous cell carcinoma

Head & Neck
Chi-Chung TongWai-Hon Lau

Abstract

Controversy exists regarding the management of cervical lymph node metastases from occult primary. Oncologists face a major challenge in adopting an optimal approach. This study attempted to compare the clinical course of two different histologic findings of this disease entity. A retrospective analysis was performed for all patients referred to our institution between 1988 and 1998 with cervical lymph node metastases from an unknown primary. Case records of consecutive unselected patients with histologically confirmed carcinoma in cervical lymph nodes were reviewed. Those with histologic findings other than squamous cell carcinoma (SCC) or undifferentiated carcinoma (UDC) and lymphadenopathies at the supraclavicular fossa alone or below the clavicles at the time of diagnosis were excluded. There were 45 patients identified with a mean follow-up of 36 months (range, 4-110 months). Thirty-seven were men and eight were women. The mean age was 57 (range, 29-91). There were 32 patients with SCC and 13 patients with UDC. Treatment modality included surgery (S) alone in 1 patient (2%), radiotherapy (RT) alone in 24 patients (53%), and combined modality in 20 patients (45%). (Twelve patients (27%) had combined S and RT, 8 patients (18...Continue Reading

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