Huang et al developed a simple prognostic model for patients with extranodal natural killer/T-cell lymphoma (ENKL). This tumor is common in Asia. The authors are from Sun Yat-Sen University in Guangdong, People’s Republic of China.
Patient selection: ENKL
Parameters:
(1) B symptoms
(2) Stage at presentation
(3) absolute lymphocyte count
Parameter
Finding
Points
B symptoms
absent
0
present
1
stage at presentation
Stage I or II
0
Stage III or IV
1
absolute lymphocyte count
>= 1,000 per µL
0
< 1,000 per µL (lymphopenia)
1
prognostic score =
= SUM(points for all 3 parameters)
Interpretation:
• minimum score: 0
• maximum score: 3
• The higher the score the worse the prognosis.
Prognostic Score
Prognostic Group
5 Year Overall Survival
0
1 (good)
72%
1
2 (fair)
56%
2 or 3
3 (poor)
0%
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