Smith et al developed a prognostic index to evaluate patients with cutaneous B cell lymphoma. This can help identify patients who may benefit from more aggressive therapy. The authors are from Yale University.
Parameters:
(1) sites of involvement
(2) histology of the lymphoma
Sites of Involvement
Significance
head and neck
favorable
arm
favorable
trunk
unfavorable
leg
unfavorable
disseminated
unfavorable
Histologic types:
(1) low grade
(2) diffuse large cell
(3) immunoblastic large cell
Histology
Site
Group
low grade
any
IA
diffuse large cell
favorable
IB
diffuse large cell
unfavorable
II
immunoblastic
favorable
II
immunblastic
favorable
III
Group
Odds Ratio Death
5 Year Survival
IA
1.0
94%
IB
1.3
86%
II
2.1
60%
III
4.5
34%
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