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Lymph node metastasis in maxillary sinus carcinoma.

Q T Le1, K K Fu, M J Kaplan

  • 1Department of Radiation Oncology, Stanford University, CA 94305-5302, USA. qle@reyes.stanford.edu

International Journal of Radiation Oncology, Biology, Physics
|March 4, 2000
PubMed
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Maxillary sinus carcinoma with lymph node metastasis is common, especially in squamous cell carcinoma (SCC). Elective neck irradiation effectively prevents nodal relapse in T3-4 SCC patients with N0 necks, improving survival.

Area of Science:

  • Oncology
  • Head and Neck Surgery
  • Radiotherapy

Background:

  • Maxillary sinus carcinoma is a rare malignancy.
  • Lymph node metastasis significantly impacts prognosis.

Purpose of the Study:

  • To determine the incidence and prognostic value of lymph node metastasis in maxillary sinus carcinoma.
  • To evaluate the effectiveness of elective neck irradiation (ENI).

Main Methods:

  • Retrospective review of 97 patients treated between 1959-1996.
  • Analysis of tumor histology, stage, nodal status, and treatment modalities.
  • Follow-up to assess survival, nodal relapse, and distant metastasis.

Main Results:

  • 9% incidence of lymph node involvement at diagnosis.

Related Experiment Videos

  • 12% 5-year risk of nodal relapse.
  • Squamous cell carcinoma (SCC) showed higher nodal involvement and relapse rates.
  • ENI eliminated nodal relapse in T3-4 SCC patients with N0 necks.
  • Nodal relapse significantly increased distant metastasis risk and decreased survival.

    • Conclusions:

    • Lymph node metastasis is a critical prognostic factor in maxillary sinus carcinoma.
    • ENI is recommended for T3-4 SCC patients with N0 necks.
    • Effective neck control improves survival and reduces distant metastasis.