A staging system is used for lymphoma (Owen, 1980):
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A staging system is used for multicentric lymphoma (Owen, 1980):
* Stage I - Involvement limited to a single node or lymphoid tissue in a single organ (excluding bone marrow)
* Stage I - Involvement limited to a single node or lymphoid tissue in a single organ (excluding bone marrow)
* Stage II - Involvement of many lymph nodes in a regional area (+/- tonsils)
* Stage II - Involvement of many lymph nodes in a regional area (+/- tonsils)
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Line 175:
* Stage V - Manifestations in the blood and involvement of bone marrow and/or other organ systems (+/-stages I-IV)
* Stage V - Manifestations in the blood and involvement of bone marrow and/or other organ systems (+/-stages I-IV)
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Each stage is then subclassifed as a) without systemic signs or b) with systemic signs.
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Each stage is then subclassifed as a) without systemic signs or b) with systemic signs. Other lymphomas such as primary hepatic are typically automatically classed as a grade V.