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Acute Lymphoblastic Leukemia - Prognosis

Last Updated on Jun 26, 2020
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Prognosis

Prognosis of the ALL patient depends on several parameters. Younger patients have better chances of survival compared to older ones.

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Patients with ALL are divided into 3 prognostic groups-

Favorable prognosis group includes:

  • No adverse cytogenetic abnormalities
  • Age younger than 30 years
  • WBC count of less than 30,000/ÁL
  • Complete remission within 4 weeks.

Intermediate risk group does not meet the criteria for either good risk or poor risk.

Poor risk group includes:

  • Adverse cytogenetics [(t9; 22), (4; 11) genetic translocations]
  • Age older than 60 years
  • Precursor B-cell WBCs with WBC count greater than 100,000/ÁL
  • Failure to achieve complete remission within 4 weeks

Table 1-Correlation between cytogenetic abnormalities and prognosis

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Cytogenetic Abnormality Genes Involved Event-Free Survival (3 yrs)
t(10;14)(q24;q11) HOX11/TCRA 75%
6q Not Known 47%
14q11 TCRA/TCRD 42%
11q23 MLL 18-26%
9p Not Known 22%
12 TEL 20%
t(1;19)(q23;p13) PBX1/E2A 20%
t(8;14)(q24;q23)
t(2;8)(p12;q24)

t(8;22)(q24;q11)
c-myc/IGH
IGK/c-myc

c-myc/IGL
17%
t(9;22)(q34;q11)
Philadelphia chromosome
bcr-abl 5-10%
t(4;11)(q21;q23) AF4-MLL 0-10%
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Table 2. Correlation between Ploidy (Chromosome Number) and Prognosis

Ploidy
Event-Free Survival(3 yrs)
Near tetraploidy 46-56%
Diploidy(Normal karyotype) 34-44%
Hyperdiploidy >50 32-59%
Hyperdiploidy 47-50 21-53%
Pseudodiploidy 12-25%
Hypodiploidy 11%

References:

  1. Pui CH. Acute lymphoblastic leukemia. Pediatr Clin North Am 1997; 4: 831-846.
  2. Pui CH, Evans WE. Acute lymphoblastic leukemia. N Engl J Med 1998; 339: 605-615.
  3. Gurney JG, Severson RK, Davis S, Robinson L. Incidence of cancer in children in the United States. Cancer 1995; 75: 2186-2195.
  4. Young J, Gloeckler RL, Silverberg E, Horm J, Miller R. Cancer incidence, survival and mortality for children younger than age 15 years. Cancer 1986; 58: 598-602.

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manoj.c.p

hi my daughter , rashmi 5 year old female was admitted in a hospital with the c/o fever,and anemia diagnosed as a ALL ,B CELL,started chemotherapy there at the time of admission her haemoglobin is 4,platelet 10,000,peripheral smear shows blast presnt CSF NEGATIVE BONE MARROW NOT DONE induction chemotherapy started prednisolone oral inj.vincristine i.v 4 doses inj, daunorubicin 3 doses inj.L. asparaginase 8 doses IT ,methotrexate 3 times BONE MARRO DONE 3? BLAST SHOWS phase b inj.cyclophosphamide iv 2 time inj,cytarabine s/c [ arac] 4 days * 4 doses tab .6 mp 60 days IT METHOTREXATE 3 times tab.biotraxate RE INDUCTION PHASE tab.dexamethasone orally inj.vincristine iv 4 doses inj. dnr 4 doses inj.L .asparanginase 4 dose inj.cyclophosphamide 1 dose inj.cytarabine 2 dose it.methotrexate 2 doses BONE MARROW DONE SHOWS 3% BLASTS AND 5%LYMPHS CSF NEGATIVE given tab.6pm for one month review 20/8/2012 please given valuable comments how is the condition and what to do next?

satzjeez

DO A HEART PATIENT GET CLL OR ALL OR AML OR CML

Toni95

Non of this has helped me with my research :/ my sister has leukemia and none of the stuff above is even close!!

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