Which grids are recommended for pediatric radiography?

• A. 1 and 2
• B. 2 and 3
• C. 1, 2, and 3
• D. 1 and 3

Answer: (D)

In pediatric radiography, the aim is to achieve good image contrast while keeping the patient dose reasonable and avoiding repeats due to grid-related issues. Grids differ in two key ways: how much scatter they remove (grid ratio) and how sensitive they are to alignment and distance (focal range). For children, moderate grid ratios provide sufficient scatter control without requiring large increases in technique, and grids with a forgiving focal range tolerate the smaller, more variable distances and occasional slight miscentering that come with pediatric positioning. A grid with a very high ratio or one with a narrow focal range is more prone to grid cutoff and demands tighter centering and higher exposure, which isn’t ideal for young patients. Therefore, the grids that feature a moderate ratio and an appropriate, forgiving focal range are the best choice for pediatrics.