Human Cancer
Non-melanoma skin cancer may be a marker of poor prognosis in patients with non-Hodgkin's lymphoma
Article first published online: 2 MAR 2000
DOI: 10.1002/(SICI)1097-0215(20000301)85:5<639::AID-IJC7>3.0.CO;2-L
Copyright © 2000 Wiley-Liss, Inc.
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How to Cite
Hjalgrim, H., Frisch, M., Storm, H. H., Glimelius, B., Pedersen, J. B. and Melbye, M. (2000), Non-melanoma skin cancer may be a marker of poor prognosis in patients with non-Hodgkin's lymphoma. International Journal of Cancer, 85: 639–642. doi: 10.1002/(SICI)1097-0215(20000301)85:5<639::AID-IJC7>3.0.CO;2-L
Publication History
- Issue published online: 2 MAR 2000
- Article first published online: 2 MAR 2000
- Manuscript Revised: 8 SEP 1999
- Manuscript Received: 5 JUL 1999
Funded by
- Danish Cancer Society. Grant Number: KB 97-100-79)
- Danish National Research Foundation. Grant Number: Grosserer L.F. Foght's Foundation
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Abstract
According to recent results, patients with non-melanoma skin cancers are at increased risk of developing non-Hodgkin's lymphoma (NHL). The prognostic significance of this association is unknown. Two cohorts of patients with a first diagnosis of non-melanoma skin cancer and a subsequent diagnosis of either NHL (n = 170) or colon cancer (n = 435) were established using national cancer registry data in Denmark. Two other cohorts of patients in whom NHL (n = 600) or colon cancer (n = 1,541) was the patients' first known malignancy served as comparison groups. Mortality rates were compared using Cox's regression analysis. Among patients younger than 80 years at NHL diagnosis, a history of non-melanoma skin cancer was associated with significantly increased mortality [relative risk (RR) = 1.54; 95% confidence interval: 1.19–1.99]. This association was present in both men (RR = 1.38; 1.02–1.86) and women (RR = 2.15; 1.31–3.54) and was similar after both major subtypes of non-melanoma skin cancer. Overall, antedating non-melanoma skin cancer had no prognostic significance for colon cancer patients (RR = 1.00; 0.84–1.18). Whatever the underlying mechanism, our observation has potential clinical implications. If substantiated in other settings, NHL patients with prior non-melanoma skin cancer may constitute a subgroup of lymphoma patients in need of particular therapeutic attention. Int. J. Cancer 85:639–642, 2000. © 2000 Wiley-Liss, Inc.

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