Chronic lymphocytic leukemia is associated with decreased survival of patients with malignant melanoma and merkel cell carcinoma in a SEER population-based study

Jerry D. Brewer, Tait D. Shanafelt, Clark C. Otley, Randall K. Roenigk, James R. Cerhan, Neil E. Kay, Amy L. Weaver, Timothy G. Call

Research output: Contribution to journalArticle

69 Scopus citations

Abstract

Purpose: To delineate outcomes of malignant melanoma (MM) and Merkel cell carcinoma (MCC) in patients with chronic lymphocytic leukemia (CLL) or non-Hodgkin's lymphoma (NHL). Patients and Methods: We identified patients with MM or MCC reported to the Surveillance, Epidemiology, and End Results program and analyzed the effects of history of CLL/NHL on overall (OS) and cause-specific survival after MM or MCC. Expected survival was derived from patients with MM or MCC without CLL/NHL. Results: From 1990 to 2006, 212,245 patients with MM and 3,613 patients with MCC were identified, of whom 1,246 with MM and 90 with MCC had a prior diagnosis of CLL/NHL. Patients with MM and a history of CLL/NHL had worse-than-expected OS as measured by standardized mortality ratio (SMR; SMR for CLL, 2.6; 95% CI, 2.3 to 3.0; SMR for NHL, 2.3; 95% CI, 2.1 to 2.6). MM cause-specific survival was worse than expected for patients with a history of CLL (SMR, 2.8; 95% CI, 2.2 to 3.4) or NHL (SMR, 2.1; 95% CI, 1.7 to 2.6). Among patients with MCC, OS was worse than expected for those with a history of CLL (SMR, 3.1; 95% CI, 2.2 to 4.3) or NHL (SMR, 1.9; 95% CI, 1.3 to 2.8). MCC cause-specific survival was worse than expected for patients with a history of CLL (SMR, 3.8; 95% CI, 2.5 to 5.9), but no difference was observed for NHL (SMR, 0.9; 95% CI, 0.4 to 2.1). Conclusion: Patients with CLL before diagnosis of MM or MCC have significantly worse OS and MM or MCC cause-specific survival than those without a history of CLL/NHL.

Original languageEnglish (US)
Pages (from-to)843-849
Number of pages7
JournalJournal of Clinical Oncology
Volume30
Issue number8
DOIs
StatePublished - Mar 10 2012

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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