Mycosis fungoides: developments in incidence, treatment and survival

A. E. Kaufman, K. Patel, K. Goyal, D. O'Leary, N. Rubin, D. Pearson, K. Bohjanen, A. Goyal

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Prior studies have demonstrated improved disease-specific survival of mycosis fungoides (MF) patients over the last 50 years. Objective: To analyse patterns of survival and incidence from 1973 to 2016 and determine whether apparent improvements in MF-specific survival are due to lead-time bias rather than improvements in treatment. Methods: We performed an analysis of 10 155 patients diagnosed with MF from 1973 to 2016 in the United States cancer registries of SEER-18. We also performed a literature review of papers including stage data for unselected populations of MF patients prior to 2000. Results: Incidence of MF increased from 3.0 per million person-years in the 1970s to 5.9 in the 2010s. For all cohorts, non-Hodgkin lymphoma (including MF) was the leading cause of death. Survival analysis demonstrated marked improvement in disease-specific and overall survival from the 1970s to 2010s. Based on systematic review of the literature, 32%–73% of patients diagnosed prior to 2000 were diagnosed with early-stage disease, as opposed to 81% of patients in the SEER 2000–2016 cohort (P < 0.035 for all cohorts). Conclusions: Although there have been improvements in MF-related survival over the last 50 years, these may reflect improvements in our ability to diagnose early-stage disease rather than improved treatment.

Original languageEnglish (US)
Pages (from-to)2288-2294
Number of pages7
JournalJournal of the European Academy of Dermatology and Venereology
Volume34
Issue number10
DOIs
StatePublished - Oct 1 2020

Bibliographical note

Funding Information:
Research reported in this publication was supported by NIH grant P30 CA77598 utilizing the Biostatistics and Bioinformatics Core shared resource of the Masonic Cancer Center, University of Minnesota and by the National Center for Advancing Translational Sciences of the National Institutes of Health Award Number UL1TR000114. This funded the statistical analysis. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health.

Publisher Copyright:
© 2020 European Academy of Dermatology and Venereology

Copyright:
Copyright 2020 Elsevier B.V., All rights reserved.

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