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Τετάρτη 20 Δεκεμβρίου 2017

Utility of Routine Surveillance Imaging for Diffuse Large B-Cell Lymphoma Post Autologous Transplant: A Single Center Experience

Publication date: Available online 19 December 2017
Source:Hematology/Oncology and Stem Cell Therapy
Author(s): Ghulam Rehman Mohyuddin, Ashley Elizabeth Clark, John Roller, Leyla Shune, Tara Lin, Neil Dunavin, Ajoy Dias, Siddhartha Ganguly, Sunil Abhyankar, Joseph McGuirk, Anurag Singh
Surveillance scans after autologous stem cell transplant (auto-HCT) for patients with relapsed/refractory (RR) diffuse large B Cell lymphoma (DLBCL) have no proven survival benefit. We studied survival differences among patients with RR DLBCL post auto-HCT whose recurrences were detected clinically versus with routine surveillance imaging. Among the 139 patients with RR DLBCL that underwent auto-HCT from 2000-2014 at our institution, 37 relapsed: 21 clinical and 16 radiological. The median time to progression was 167 days for the clinical cohort and 565 days for the radiological cohort (p= 0.03), and median overall survival (OS) was 587 days and not reached, respectively (p=0.006). Most patients with relapsed DLBCL after auto-HCT were diagnosed clinically and were likely to be detected earlier and have a shorter OS. Relapse in patients with aggressive disease will likely be detected when clinically apparent, and the outcome of these patients is independent of the way the relapse is diagnosed. Thus, universal scanning after auto-HCT appears to have little benefit.



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