Greulich & Pyle vs Tanner-Whitehouse: Which Atlas Should You Use?

Two families of methods dominate bone age assessment. Understanding their trade-offs helps you pick the right tool for your workflow.

Greulich & Pyle

Atlas-matching is fast and intuitive: typically under a minute per film once you are fluent.

Tanner-Whitehouse

Scoring individual bones is more reproducible but considerably slower in routine practice.

Bottom line

For everyday clinic use, a well-organized digital G&P-style atlas offers the best speed-to-accuracy balance.