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Unformatted text preview: may indicate metastatic spread. If enlarged lymph nodes are felt they will need to be biopsied to confirm or rule out spread. Once NPC is diagnosed it needs to be staged to assess how far the malignancy has spread and help guide treatment. Staging is aided with either CT or MRI scans which can visualise the size, location and spread of disease. Four stages of NPC are recognised:- Stage 1 o NPC is very localised to the nasopharynx Stage 2 o The NPC has not spread outside the nasopharynx and doesnt involve spread to the lymph nodes but it has spread into the surrounding tissue Stage 3 o The NPC has spread outside of the nasopharynx to the lymph nodes on the same side as the tumour Stage 4 o The NPC has spread to other tissues such as the bones or nerves of the head. Distant spread to other lymph nodes may have occurred...
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- Fall '10