Topics:
1-phosphatidylinositol 3-kinase, mast cells, signal transduction

On page 2467 of the September 15, 2008, issue, Table 1 in the online version, which now differs from the print was omitted. Table 1 is shown below. The error was corrected version.

Table 1

Patient characteristics

No.Diagnosis*AgeSexSerum tryptase, ng/mLPercent infiltration of BM with MCsMC positive for P-Y-Stat5MC positive for P-S-Akt
1 SSM 47 F 153 25 + + 
2 SSM 34 M 937 50 + + 
3 ISM 66 F 17 2 + + 
4 ISM 39 M 17 5 + + 
5 ISM 70 M 28 2 + + 
6 ISM 64 M 164 15 + ND 
7 ISM 62 F 26 10 + ND 
8 ISM 53 M 50 15 + ND 
9 ISM 48 F 54 5 + ND 
10 ISM 43 M 20 5 + + 
11 ISM 32 F 18 5 + ND 
12 ISM 32 M 36 5 + + 
13 ISM 30 M 148 10 + ND 
14 ASM 40 F ND 5 + ND 
15 MCL 60 M 285 70 + ND 
No.Diagnosis*AgeSexSerum tryptase, ng/mLPercent infiltration of BM with MCsMC positive for P-Y-Stat5MC positive for P-S-Akt
1 SSM 47 F 153 25 + + 
2 SSM 34 M 937 50 + + 
3 ISM 66 F 17 2 + + 
4 ISM 39 M 17 5 + + 
5 ISM 70 M 28 2 + + 
6 ISM 64 M 164 15 + ND 
7 ISM 62 F 26 10 + ND 
8 ISM 53 M 50 15 + ND 
9 ISM 48 F 54 5 + ND 
10 ISM 43 M 20 5 + + 
11 ISM 32 F 18 5 + ND 
12 ISM 32 M 36 5 + + 
13 ISM 30 M 148 10 + ND 
14 ASM 40 F ND 5 + ND 
15 MCL 60 M 285 70 + ND 

BM indicates bone marrow; F, female; M, male; MC, mast cells; SSM, smoldering systemic mastocytosis; ISM, indolent systemic mastocytosis; ASM, aggressive systemic mastocytosis; MCL, mast cell leukemia; and ND, not determined.

*

All patients examined exhibited the Kit D816V as determined by RT-PCR and RFLP analysis.

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© 2009 by The American Society of Hematology
2009
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