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- W2369741369 abstract "Objective To analyze CT manifestations of oropharyngeal malignant tumors and to discuss the key point in the diagnosis and differentiation of oropharyngeal carcinoma and lymphoma.Materials and Methods CT findings in 70 cases with pathologically-proved oropharyngeal malignant tumors were retrospectively analyzed. The lesions included oropharyngeal carcinoma (OC, n=45) and non-Hodgkin's lymphoma (NHL, n=25). Observation was focused on the lesion's extent, border and density. The results were compared between OC and NHL.Results All 45 lesions of OC were unilateral. Definite mass was seen in 41 cases. Lesion with vague margin and invasion to surrounding structures was seen in 32 cases. Of 25 cases with NHL, the lesion was bilateral in 9 and vague-margined in 12. Statistically significant difference in border clearness existed between OC and NHL (P0.01). Thirty-seven cases of OC had enhanced CT scans, on which the lesion was of inhomogeneous density in 27. The lesions showed no or slight enhancement in 12, moderate enhancement in 17 and marked enhancement in 8 cases. Nineteen cases of NHL had enhanced CT scanning. The tumor was of homogeneous density in 12 and inhomogeneous density in 7. In 12 cases the lesion showed no or slight enhancement, while in 7 cases the lesion showed moderate enhancement. Significant difference in both density evenness and enhancement pattern was seen between OC and NHL (P0.01, P0.05).Conclusion OC and NHL have different CT features. Careful observation of lesion's extent, margin, density, enhancement pattern and the cervical lymph nodes, is the key in diagnosing and differentiating OC and NHL." @default.
- W2369741369 created "2016-06-24" @default.
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- W2369741369 date "2004-01-01" @default.
- W2369741369 modified "2023-09-24" @default.
- W2369741369 title "CT Manifestations of Malignant Neoplasm of Oropharynx" @default.
- W2369741369 hasPublicationYear "2004" @default.
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