Carter et al evaluated prognostic factors for a patient with an adenocarcinoma at the Ampulla of Vater. These can identify a patient who may benefit from more aggressive management. The authors are from the University of California at San Francisco.
Parameters identified on multivariate analysis:
(1) histologic type
(2) tumor stage
(3) lymphovascular spread
(4) perineural spread
Parameter
Finding
Points
histologic type
intestinal
0
pancreatobiliary
1
stage
Stage 0 to II
0
Stage III or IV
1
lymphovascular spread
absent
0
present
1
perineural spread
absent
0
present
1
total number of adverse prognostic indicators =
= SUM(points for the 4 prognostic factors)
Interpretation:
• minimum number: 0
• maximum number: 4
• The greater the number of adverse prognostic indicators the worse the prognosis.
To read more or access our algorithms and calculators, please log in or register.
