Evidence supports blind screening for internal malignancy in dermatomyositis: Data from 2 large US dermatology cohorts

Medicine
Hayley LeathamDavid Fiorentino

Abstract

The association between dermatomyositis and internal malignancy is well established, but there is little consensus about the methods of cancer screening that should be utilized.We wished to analyze the prevalence and yield of selected cancer screening modalities in patients with dermatomyositis.We performed a retrospective analysis of 2 large US dermatomyositis cohorts comprising 400 patients.We measured the frequency of selected screening tests used to search for malignancy. Patients with a biopsy-confirmed malignancy were identified. Prespecified clinical and laboratory factors were tested for association with malignancy. For each malignancy we identified the screening test(s) that led to diagnosis and classified these tests as either blind (not guided by suspicious sign/symptom) or triggered (by a suspicious sign or symptom).Forty-eight patients (12.0% of total cohort) with 53 cancers were identified with dermatomyositis-associated malignancy. Twenty-one of these 53 cancers (40%) were diagnosed within 1 year of dermatomyositis symptom onset. In multivariate analysis, older age (P = .0005) was the only significant risk factor for internal malignancy. There was no significant difference in cancer incidence between classic and ...Continue Reading

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Citations

Jul 3, 2018·Current Opinion in Rheumatology·Albert Selva-O'CallaghanIago Pinal-Fernández
Aug 22, 2018·Postgraduate Medical Journal·Shing Fung LeeFrank Chi Sing Wong
Jul 16, 2019·Obstetrics and Gynecology·Shelby DickisonHeather Jones
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Methods Mentioned

BETA
biopsy
ESR

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