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Cervical lymph node metastases with occult primary.

M Tytor, J Olofsson

    Clinical Otolaryngology and Allied Sciences
    |December 1, 1986
    PubMed
    Summary
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    Diagnosing unknown primary head and neck cancers is challenging. Tonsillectomy aids diagnosis, with survival depending on cancer type and node mobility.

    Area of Science:

    • Otolaryngology
    • Head and Neck Surgery
    • Oncology

    Background:

    • Cervical metastases from unknown primary tumors pose significant diagnostic and therapeutic challenges.
    • Extensive diagnostic procedures often fail to identify the primary tumor in patients with neck metastases.

    Purpose of the Study:

    • To evaluate the diagnostic utility of tonsillectomy in patients with metastatic neck lesions of unknown primary origin.
    • To assess treatment outcomes based on cancer type and clinical node staging.

    Main Methods:

    • Retrospective analysis of 20 patients treated between 1971-1984.
    • Inclusion of tonsillectomy as a diagnostic procedure since 1975 for affected sides.
    • Histopathological examination or fine needle aspiration cytology for metastatic node diagnosis.

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    Main Results:

    • Tonsillectomy diagnosed primary carcinoma in 8 patients without prior clinical signs.
    • Survival rates varied by histology: 4/9 squamous cell carcinoma and 4/5 anaplastic carcinoma survived 3 years.
    • Surgical treatment yielded higher survival (5/5 alive) compared to irradiation (6/12 alive).
    • Mobile unilateral nodes (N1) had better survival (10/12 alive) than fixed nodes (N3) (3/8 alive).

    Conclusions:

    • Tonsillectomy is a valuable diagnostic tool for identifying occult tonsillar primaries in cervical metastases.
    • Treatment outcomes are influenced by tumor histology and the extent of nodal disease (N-stage).
    • Surgical management and early-stage nodal disease appear to correlate with improved survival.