1201 / 1498
RT of Gastric Lymphomas
•
Marginal Zone Lymphoma (MZL)
–
Most common
–
RT is the standard treatment in North America for
“
H.
Pylori-independent
”
Gastric MZL (or
“
MALT
”
)
–
H. pylori
–
not present
–
H. pylori responded to antibiotics, but MZL persists for a
long time
–
H. pylori resistant to multiple antibiotics, MZL persists
–
Failure of antibiotics - MZL progression
–
Failure of antibiotics - difficult symptoms
•
Diffuse Large B-Cell Lymphoma
(many are transformed
MZL)
–
RT consolidation after R-CHOP induced CR