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PET/CT VALUE IN DIAGNOSE OF PRIMARY TUMOR ON CERVICAL LYMP NODE METASTASIS OF UNKNOWN PRIMARY TUMOR
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Abstract
Purpose: We conduct this survey to evaluate the role of PET/CT on CUP patients. Describe characteristic of primary tumor.
Subject and menthod:
Results: 59 patients with cervical lymp node metastasis of CUP had PET/CT scan, the mean age of patients was 53.6±13.3. There were 38/59 patients (64.4%) detected primary tumor by PET/CT, however, only 32/38 patients were confirmed as malignant (by pathology). In 5/59 patients, PET/CT was not suggest the primary tumor but then identified by orther methods. The sensitivity and specificity of PET/CT were 86.5%, 84.3%, respectively. The location of the primary tumor in 38 patients was suggest by PET/CT, mainly in head and neck area (85.7%).
Conclusion: PET/CT is a high value diagnose method in suggest primary tumor for cervical lymp node metastasis of unknown primary tumor .
Article Details
Keywords
PET/CT, carcinoma of unknown primary tumor cervical lymp node metastasis
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