Bone marrow involvement in follicular lymphoma:: Comparison of histology and flow cytometry as staging procedures

被引:17
|
作者
Schmidt, Burkhard
Kremer, Markus
Goetze, Katharina
John, Kristina
Peschel, Christian
Hoefler, Heinz
Fend, Falko
机构
[1] Tech Univ Munich, Klinikum Rechts Isar, Inst Pathol, Dept Hematol & Oncol, D-81675 Munich, Germany
[2] Tech Univ Munich, Inst Pathol, D-81675 Munich, Germany
关键词
follicular lymphoma; bone marrow trephine biopsy; flow cytometry; bone marrow involvement;
D O I
10.1080/10428190600709127
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Bone marrow (BM) examination is a routine staging procedure in follicular lymphoma (FL). Commonly, both BM histology as well as flow cytometry (FCM) of BM aspirates are performed. In order to compare the diagnostic value of these two techniques, we retrospectively evaluated trephine BM biopsies and listmode data of patients with a confirmed diagnosis of FL, obtained in parallel during a 5-year period. One hundred and thirty nine specimens from 91 patients with FL were eligible for analysis. After joint review, nine cases (6.5%) were reclassified, either in histology (six cases) or FCM (three cases). Seventy nine specimens (57%) showed no infiltration with both methods. Sixty specimens (43%) were scored positive for BM involvement by any of the two techniques. Concordant positive results were obtained in 41 cases (68% of positive BM). False negative results were obtained by FCM in 14 cases (23% of positive BM) and by histology in five cases (8%). Discrepant results between BM histology and FCM are frequent in patients with FL, most likely due to the predominantly paratrabecular infiltration and fibrosis typical for FL. Due to the lower false negative rate, trephine BM biopsy remains crucial for the detection of BM involvement in FL.
引用
收藏
页码:1857 / 1862
页数:6
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