Albumin enhanced morphometric image analysis in CLL
Albumin enhanced morphometric image analysis in CLL
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DOI:
10.1002/cyto.b.10059
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发表时间:
2004-01-01
影响因子:
3.4
通讯作者:
Marti, GE
中科院分区:
文献类型:
--
作者:
Lunning, MA;Zenger, VE;Marti, GE
Background: The heterogeneity of lymphocytes from patients with chronic lymphocytic leukemia (CLL) and blood film artifacts make morphologic subclassification of this disease difficult.Methods: We reviewed paired blood films prepared from ethylene-diamine-tetraacetic acid (ETDA) samples with and without bovine serum albumin (BSA) from 82 CLL patients. Group 1 adhered to NCCLS specifications for the preparations of EDTA blood films. Group 2 consisted of blood films containing EDTA and a 1:12 dilution of 22% BSA. Eight patients were selected for digital photomicroscopy and statistical analysis. Approximately 100 lymphocytes from each slide were digitally captured.Results: The mean cell area +/- standard error was 127.8 muM(2) +/- 1.42 for (n = 793) for group 1 versus 100.7 muM(2) +/- 1.39 (n = 831) for group 2. The nuclear area was 88.9 muM(2) +/- 0.85 for group 1 versus 76.4 muM(2) 0.83 for group 2. For the nuclear transmittance, the values were 97.6 +/- 0.85 for group 1 and 104.1 +/- 0.83 for group 2. The nuclear:cytoplasmic ratios were 0.71 +/- 0.003 for group 1 and 0.78 +/- 0.003 for group 2. All differences were statistically significant (P < 0.001).Conclusions: BSA addition results in the reduction of atypical lymphocytes and a decrease in smudge cells. BSA also decreases the lymphocyte area and nuclear area, whereas nuclear transmittance and nuclear:cytoplasmic ratio are increased. A standardized method of slide preparation would allow accurate interlaboratory comparison. The use of BSA may permit better implementation of the blood film-based subclassification of CLL and lead to a better correlation of morphology with cytogenetics and immunophenotyping. Published 2003 Wiley-Liss, Inc(dagger).