Blood, 1959, Vol. 14, No. 1, pp. 80-90.
© 1959 American Society of Hematology, Inc.
Hepatitis in Association with Prolonged
6-Mercaptopurine Therapy
SAMUEL K. McILVANIE 1 and
JOHN D. MacCARTHY 1
1 Department of Medicine, Rockwood Clinic and the Department of Pathology,
Sacred Heart Hospital, Spokane, Washington.
Four patients are presented who developed toxic hepatitis while being
treated for leukemia with 6-mercaptopurine and steroids. The onset was rapid
and suggested an acute hepatitis with intrahepatic blockage. Pathologic examination of the liver in two patients who expired with hepatitis is presented
and the pathology described. In the third autopsied case the hepatitis had
resolved while receiving massive steroid therapy, even though the leukemia
progressed rapidly when 6-mercaptopurine was withdrawn. Early recognition of the toxic hepatitis becomes especially important whero 6-mercaptopurine is the first drug to be used in the management of the patient with
acute leukemia.
Submitted on December 26, 1957
Accepted on July 6, 1958