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Characteristics of oral and paraoral malignant lymphoma: a population-based review of 361 cases.

Author information

1
Department of Dentistry, British Columbia Cancer Agency, Vancouver, Canada. jepstein@bccancer.bc.ca

Abstract

BACKGROUND:

Lymphoma is the second most common neoplasm of the head and neck; almost 50% of all lymphomas occur in this region. Waldeyer's ring is the most common site of lymphomas involving the oral region. The purpose of this study was to review the characteristics of a large series of malignant lymphoma of the oral region.

METHODS:

Three hundred sixty-one consecutive cases of malignant lymphoma of the oral region were identified in the Tumor Registry between 1969 and 1998.

RESULTS:

The 361 cases (200 males and 161 females) of malignant lymphoma of the oral region accounted for 3.5% of all oral malignancies. The mean age was 62.5 years and the most prevalent site of involvement was the tonsil (32.7%), followed by the parotid gland (16.1%). Sixty-five percent of the lesions were diagnosed as large-cell (38%) or small-cell (27%) lymphoma. One quarter of the patients died of the disease in a mean of 2.78 years after diagnosis. Of a total 26 patients who died from other causes, 12 died because of other cancers, including 7 (27%) with leukemia and 5 (19%) with oral carcinoma. The prognosis is based, at least partially, on the histologic grading (low, intermediate, or high) and the anatomic stage of the disease. Localized low-grade lymphomas have a more favorable prognosis compared with those that are disseminated and/or have high-grade cellular changes.

CONCLUSION:

Lymphoma is the second most common malignant oral disease. Thorough head and neck and oral examination is necessary to identify lesions that may represent lymphoma.

PMID:
11709688
DOI:
10.1067/moe.2001.116062
[Indexed for MEDLINE]

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