International Journal of Clinical and Laboratory Research

, Volume 24, Issue 3, pp 132–138

Monitoring minimal residual disease in acute leukemia: expectations, possibilities and initial clinical results

  • Dario Campana

DOI: 10.1007/BF02592442

Cite this article as:
Campana, D. Int J Clin Lab Res (1994) 24: 132. doi:10.1007/BF02592442


Therapy of acute leukemia may be improved by a more accurate assessment of the effects of treatment on tumor burden and by anticipating relapse with greater precision. The sensitivity limit of assessing residual disease by morphology is usually 5%. Several alternative approaches are available to study minimal residual disease, defined as the presence of leukemic cells not detectable by morphology. These include studies of chromosomal abnormalities by conventional karyotyping, flow cytometry, in situ hybridization and polymerase chain reaction (PCR), investigation of gene rearrangements by Southern blotting and PCR, and immunological methods. Some of these techniques enable the detection of 1 leukemic cells among 10 000 or more normal cells. In the following, the advantages and limitations of sensitive methods for detecting small numbers of leukemic cells are reviewed. The rationale for monitoring residual disease in acute leukemia and the initial results of studies correlating minimal residual disease and clinical outcome are discussed.

Key words

Acute leukemiaMinimal residual diseasePolymerase chain reactionFlow cytometry

Copyright information

© Springer-Verlag 1994

Authors and Affiliations

  • Dario Campana
    • 1
    • 2
    • 3
  1. 1.Division of Bone Marrow Transplantation, Department of Hematology-OncologySt. Jude Children's Research HospitalMemphisUSA
  2. 2.Department of PediatricsUniversity of TennesseeMemphis
  3. 3.College of MedicineMemphisUSA