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Increased serum concentration of the soluble interleukin-2 receptor in cutaneous T-cell lymphoma - Clinical and prognostic implications
Journal article

Increased serum concentration of the soluble interleukin-2 receptor in cutaneous T-cell lymphoma - Clinical and prognostic implications

M A Wasik, E C Vonderheid, R D Bigler, R Marti, Lessin, M Polansky and M E Kadin
Archives of dermatology (1960), v 132(1), pp 42-47
01 Jan 1996
PMID: 8546482

Abstract

Dermatology Life Sciences & Biomedicine Science & Technology
Background and Design: The serum concentration of soluble alpha-chain receptor for interleukin-2 (sIL-2R) was determined in 101 patients with cutaneous T-cell lymphoma (CTCL). Results: The serum concentration of sIL-2R correlates positively with CTCL tumor burden as determined by several clinical parameters tie, clinical subtype of disease, extent of skin involvement, T rating, and stage), by serum lactate dehydrogenase concentration, and by Sezary cell counts in erythrodermic disease. The median value of sIL-2R in erythrodermic CTCL was more than threefold higher than that of classic mycosis fungoides (MF). The proportion of patients with elevated sIL-2R concentration (>1000 U/mL) also increased in CTCL in a similar fashion according to the clinical type of disease (MF patch phase, 15%; MF plaque phase, 33%; MF tumor phase, 47%; and erythrodermic variants, 90%). However, no correlation was found between sIL-2R serum concentration and expression of membrane-bound IL-2R alpha chain (CD25) on lymphoid cells in skin lesions and peripheral blood. Significantly, multivariate analysis of various prognostic factors demonstrated that in erythrodermic CTCL, sIL-2R serum concentration correlated best with survival and was a better predictor of prognosis than stage, Sezary cell counts, or lactate dehydrogenase values. Conclusions: These findings document the usefulness of the measurement of the sIL-2R serum concentration to determine tumor burden and prognosis in patients with CTCL.

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Dermatology
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