Publications by authors named "A J Sigurdson"
Understanding scapular motion during everyday tasks is essential for adequate return-to-work and intervention programming, yet most scapular assessments involve restricted motion analysis within a laboratory setting. Inertial measurement units (IMUs) have been used to track scapular motion, but their validity compared to "gold standard" optical motion capture is not well defined. Further, it is unclear how different IMU sensor placements could affect scapular kinematic outcomes during a functional task protocol.
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- Basal cell carcinoma (BCC) is the most common type of skin cancer, especially in people with European ancestry, but not much research has looked at how sun exposure affects the risk of getting it over time.
- In a study with 63,912 US radiologic technologists, researchers tracked sun exposure at different homes and analyzed how it related to the development of BCC.
- They found that higher sun exposure increased the risk of getting BCC, with the most risk seen 10-14 years after exposure, and the effect varied based on age and time after exposure.
Purpose: The association of hyperthyroidism with exposure to ionizing radiation is poorly understood. This study addresses the risk of hyperthyroidism in relation to incidental therapeutic radiation dose to the thyroid and pituitary glands in a large cohort of survivors of childhood cancer.
Methods And Materials: Using the Childhood Cancer Survivor Study's cohort of 5-year survivors of childhood cancer diagnosed at hospitals in the United States and Canada between 1970 and 1986, the occurrence of hyperthyroidism through 2009 was ascertained among 12,183 survivors who responded to serial questionnaires.
Background: Chromosome translocations are a biomarker of cumulative exposure to ionizing radiation. We examined the relation between the frequency of translocations and cosmic radiation dose in 83 male airline pilots.
Methods: Translocations were scored using fluorescence in situ hybridization chromosome painting.
Article Synopsis
- The study looked at if medical tests involving radiation could cause more people to get thyroid cancer as they grow up.
- It followed a large group of US radiologic technologists from the late 1980s until 2014, checking for cancer cases.
- The findings suggested a small chance that radiation from these procedures might slightly increase the risk of thyroid cancer, but the results were not very strong.