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. 1993 Apr;36(4):460-4.
doi: 10.1002/art.1780360405.

Cancer in systemic sclerosis

M Abu-Shakra  1 , F Guillemin, P Lee
Affiliations

Cancer in systemic sclerosis

M Abu-Shakra et al. Arthritis Rheum. 1993 Apr.

Abstract

Objective: To determine whether the frequency of cancer is increased among patients with systemic sclerosis (SSc).

Methods: A retrospective chart review of 248 patients who were followed up prospectively was conducted.

Results: Cancers developed in 18 patients (7.3%) during 2,001 patient-years at risk. The most frequent types were cancers of the lung (7 patients) and breast (5 patients). Older age at diagnosis of SSc was a significant risk factor for cancer. Lung cancer was associated with the presence of pulmonary fibrosis. The age-standardized incidence rate for all cancers (7.9/1,000) was 2.1 times the overall rate in the Ontario population (P < 0.0001).

Conclusion: The frequency of cancer is increased in patients with SSc.

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