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Cancer Research and Treatment > Volume 34(4); 2002 > Article
Cancer Research and Treatment 2002;34(4): 289-295. doi: https://doi.org/10.4143/crt.2002.34.4.289
The Outcome of Philadelphia Chromosome-Positive Adult ALL: Characteristics and Prognosis
Hun Ho Song, Je Hwan Lee, Byung Min Jeon, Jung Hee Lee, Eul Ju Seo, Chan Jeoung Park, Hyun Sook Chi, Jung Shin Lee, Woo Kun Kim, Kyoo Hyung Lee
1Department of Internal Medicine, Hallym University Collegeof Medicine, Chunchon, Korea.
2Department of Medicine, Asan Medical Center, University ofUlsan College of Medicine, Seoul, Korea.
3Department of Clinical Pathology, Asan Medical Center,University of Ulsan College of Medicine, Seoul, Korea.
  Published online: August 31, 2002.
The Philadelphia (Ph) chromosome is a well- known chromosome abnormality in adults with B-lineage ALL, and is associated with a poor prognosis. This study compared the clinical manifestations and prognosis in adult Ph-positive and Ph-negative ALL patients.
We retrospectively analyzed the clinical records of adult patients newly diagnosed as B-lineage ALL, between January 1995 and February 2001. Fifty five patients were included in this study. We divided the patients into Ph-positive and Ph-negative groups.
Eighteen of the 55 patients (32.7%) were found to have the Ph chromosome. At initial diagnosis, the Ph-positive patients had higher circulating leukocyte counts, lower platelet counts and had a greater tendency to bleed, than the Ph-negative group. The complete remission rates were 83.3% and 83.8% for the Ph-positive and the Ph-negative groups, respectively. Four of the Ph-positive, and 13 of the Ph-negative, patients underwent allogenic bone marrow transplantation. The median follow-up for the surviving patients was 39.3 months. The three-year survival rates were 10.4% and 51.8% for the Ph-positive and the Ph-negative groups, respectively. The median disease-free survival was 7.7 months for the Ph-positive group, but did not reach the median value in the Ph-negative group. Among the Ph-positive patients, age was the only factor that had an impact on the disease outcome.
In adult B-lineage ALL, the Ph-positive patients had similar complete remission rates to other patients; however, the remission was of shorter duration, with a higher relapse rate in the Ph-positive patients. More effective treatments are needed to improve the survival of the Ph-positive patients.
Key words: Adult B-lineage ALL;Philadelphia chromosome;Prognosis
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