Is grid therapy useful for all tumors and every grid block design?

Grid therapy is a treatment technique that has been introduced for patients with advanced bulky tumors. The purpose of this study is to investigate the effect of the radiation sensitivity of the tumors and the design of the grid blocks on the clinical response of grid therapy. The Monte Carlo simulation technique is used to determine the dose distribution through a grid block that was used for a Varian 2100C linear accelerator.

Hair salon stylists as breast cancer prevention lay health advisors for African American and Afro-Caribbean women.

Objectives: To assess the effectiveness of breast health promoting messages administered by salon stylists to clients in the salon setting.

Methods: Forty salons in an urban, minority area were randomly assigned to provide messages to clients or to serve as controls. Pre-intervention surveys were completed by 1,185 salon clients.