Severe gastrointestinal bleeding is a rare complication of radiation therap
y that requires frequent transfusions. This case report describes a patient
with severe bleeding from radiation colitis after treatment of bladder can
cer. During 5 months of therapy with multiple drugs, the patient needed 26
units of packed red cells, A subsequent hormone therapy consisting of an es
trogen-progesterone combination significantly reduced the need for blood tr
ansfusions and hospitalization. We conclude that hormones might provide a p
romising new additional symptomatic therapy for bleeding radiogenic colitis
, (C) 1998 by Am. Cell. of Gastroenterology.