Impact of breast size and composition on the accuracy of mammography and ultrasonography in breast cancer screening.

Background: The accuracy of mammography in breast cancer screening is influenced by different factors such as breast composition. However, previous studies did not evaluate the impact of breast size on examination accuracy. This study aimed to investigate the influence of breast size on the accuracy of mammography and ultrasonography in breast cancer screening using compressed breast thickness (CBT) on mammography as an indicator of breast size.

The effects of breast density on the benefits of mammograms with adjunctive ultrasonography in breast screening.

Objective: Various efforts have been made to improve the accuracy of breast cancer screening. This study aimed to report differences in the contribution of ultrasonography to cancer screening assessments of dense and non-dense breasts.

Methods: The participants in this study were 29,640 Japanese women in their 40 s who underwent breast cancer screening at the Iwate Cancer Society between 2018 and 2021.

Influence of Genetic Polymorphisms and Concomitant Anxiolytic Doses on Antidepressant Maintenance Doses in Japanese Patients with Depression.

To prevent recurrent depression, patients should ideally continue treatment for >6 months with the antidepressant dose that effectively suppressed acute depressive symptoms. However, there are inter-individual differences in the antidepressant doses required to achieve response and maintenance. Therefore, this study was conducted to examine the role of clinical features, including genetic polymorphisms, on the antidepressant dose required for maintenance therapy in 82 Japanese patients with depression.

Factors that influence the pharmacokinetics of lamotrigine in Japanese patients with epilepsy.

Purpose: Lamotrigine (LTG) is used to treat epilepsy. The variability of LTG pharmacokinetics among individuals may be attributed to polymorphisms in the genes of uridine diphosphate glucuronosyltransferases (UGTs) 1A4 and UGT2B7 and/or combination with other drugs. In this study, we evaluated the association between LTG concentrations and patient characteristics such as genetic polymorphisms and the co-administration of antiepileptic drugs.