期刊
LEUKEMIA & LYMPHOMA
卷 47, 期 9, 页码 1841-1856出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/10428190600709655
关键词
cutaneous T-cell lymphoma; Sezary syndrome; erythroderma; prognosis; staging
In this retrospective study, quantitative Sezary cell counts were performed at presentation on 192 patients with erythrodermic cutaneous T-cell lymphoma (E-CTCL). Per recommendation of the International Society of Cutaneous Lymphomas (ISCL), the impact on staging of using an absolute Sezary cell count of 1.0 K mu L-1 or more as equivalent to lymph node involvement was investigated. Of 132 patients with disease initially classified at stage III using the current TNM staging system, 25% were up staged to IVa, resulting in a clearer separation of associated survival curves between the stages. Furthermore, the current ISCL definition of B0, B1 and B2 ratings were improved using Sezary cell count levels of < 1.0K mu L-1, >= 1.0-4.99K mu L-1 and >= 5.0K mu L-1, respectively. These modified B ratings potentially could be used in an alternative staging system for E-CTCL without N rating. Advanced age, prior exposure to multiple systemic drugs, enlargement of peripheral lymph nodes (43 cm), other measures of blood tumor burden (CD4/CD8 ratio >= 10, chromosomally-abnormal clone) and 2-fold increase in serum LDH level were other factors of prognostic significance. The clinical importance of these variables vis-a-vis the modified TNBM staging system will need to be clarified in future studies.
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