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Thursday
Melanoma often seen before Parkinson's disease (CLICK FOR MORE):
"Rates of malignant melanoma and skin cancer are increased before a diagnosis of Parkinson's disease, according to new research published in the September issue of the journal Epidemiology. This casts doubt on the notion that levodopa therapy for Parkinson's disease may contribute to the observed higher risk of malignant melanoma in such patients.
Dr. Jorgen H. Olsen and colleagues from the Institute of Cancer Epidemiology, Copenhagen, Denmark, examined the prevalence of malignant melanoma, skin carcinoma, and other cancers before a first hospitalization or outpatient visit for Parkinson's disease. A total of 8090 patients were included in the analysis.
Each 'case subject' was matched to four randomly selected controls who were alive at the index date of their respective cases. The authors compared the cancer histories of Parkinson's disease patients with those of the controls.
Of the Parkinson's disease patients, 966 (roughly 12 percent) had a total of 1020 cancers diagnosed before being diagnosed with Parkinson's disease.
A total of 3734 (11.5 percent) of 32,320 controls had a total of 4072 cancers diagnosed before the index date..."
"Rates of malignant melanoma and skin cancer are increased before a diagnosis of Parkinson's disease, according to new research published in the September issue of the journal Epidemiology. This casts doubt on the notion that levodopa therapy for Parkinson's disease may contribute to the observed higher risk of malignant melanoma in such patients.
Dr. Jorgen H. Olsen and colleagues from the Institute of Cancer Epidemiology, Copenhagen, Denmark, examined the prevalence of malignant melanoma, skin carcinoma, and other cancers before a first hospitalization or outpatient visit for Parkinson's disease. A total of 8090 patients were included in the analysis.
Each 'case subject' was matched to four randomly selected controls who were alive at the index date of their respective cases. The authors compared the cancer histories of Parkinson's disease patients with those of the controls.
Of the Parkinson's disease patients, 966 (roughly 12 percent) had a total of 1020 cancers diagnosed before being diagnosed with Parkinson's disease.
A total of 3734 (11.5 percent) of 32,320 controls had a total of 4072 cancers diagnosed before the index date..."