Search results for "Parkinson’s"

Tumor diagnosis preceding Parkinson's disease: A case-control study

2004

Lower cancer risk in Parkinson’s disease (PD) patients compared to the general population has been reported. However, most of the studies were based on death certificates. We designed a case– control study to estimate the association of tumor preceding PD onset and PD. PD patients were matched by age and gender to PD-free individuals, randomly selected from the municipalities of residence of cases. Occurrence of tumors preceding PD onset was assessed through a structured questionnaire. Neoplasms were categorized as benign, malignant, or of uncertain classification, and endocrine-related or not. Odds ratios (OR) were calculated using conditional logistic regression and adjusted for tumor cat…