Clinical characteristics of angioimmunoblastic T-cell lymphoma in China and C-reactive protein as an independent prognostic factor

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Abstract

Angioimmunoblastic T-cell lymphoma (AITL) is a major subtype of peripheral T-cell lymphoma (PTCL). Due to its low incidence, the characteristics of AITL are still not well understood. The prognostic evaluation of this disease has not been established.

We retrospectively analyzed 52 patients with newly diagnosed AITL in China between January 2008 and September 2016.

Among these patients, the median age at diagnosis was 62 (40–83) and 58% (30/52) of the patients were older than 60 years. Thirty-five patients were male, accounting for 67.3% of the whole. Among these, 90% (47/52) of the diagnoses were estimated at advanced stage. A total of 25 (48%) patients were scored >1 by the ECOG performance status. Systemic B symptoms were described in 34 (65%) patients. When evaluated by International Prognostic Index (IPI), 81% were scored >2, and 77% got >1 score according to the prognostic index for PTCL (PIT) upon diagnosis. The 3-year progression-free survival (PFS) was 44% and the 3-year overall survival (OS) rate was 52%. IPI and PIT scores could not be effectively applied to stratify those AITL patients into subgroups. Our multivariate analysis results found that the elevated serum C-reactive protein (CRP) level was an independent adverse factor to the OS of the AITL patients.

Patients with AITL had a poor outcome. The serum level of CRP may be applied as an independent prognostic factor for AITL.

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