Lymphoma (staging)
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A commonly adopted staging system for Hodgkin lymphoma is the Cotswold's modification of the original Ann arbor staging system. Non-Hodgkin lymphoma also uses the same classification 1. However, contiguous nodal spread is common with Hodgkin lymphoma whereas multifocal nodal involvement and extranodal spread is common with non-Hodgkin lymphoma 1.
Accurate CT staging has been shown to have a significant impact on treatment and eventual clinical outcome.
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stage I: one nodal group or lymphoid organ (e.g. spleen or thymus)
- stage IE: one extranodal site
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stage II: two or more nodal groups, same side of diaphragm
- stage IIE: localised extranodal site with stage II criteria, both on the same side of the diaphragm
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stage III: nodal groups on both sides of the diaphragm
- stage IIIS(1): with splenic involvement
- stage IIIE(2): with localised extranodal site
- stage IIISE: both
- stage IV: disseminated involvement of one or more extralymphatic organ (e.g. lung, bone) +/- any nodal involvement
Additional staging variables
- X: bulky nodal disease: nodal mass >1/3 of intra thoracic diameter or 10 cm in dimension
- A: asymptomatic
- B: presence of B symptoms (fever, night sweats and weight loss)
- +<li>
- +<strong>stage IIISE</strong>: both</li>
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