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September 1977

Assessment of Skeletal Maturity and Prediction of Adult Height (TW2 Method)

Author Affiliations

Division of Pediatric Radiology C. S. Mott Children's Hospital University of Michigan Medical Center Ann Arbor, MI 48109

Am J Dis Child. 1977;131(9):1041-1042. doi:10.1001/archpedi.1977.02120220107024

This book describes the Tanner-Whitehouse (TW) approach to bone age determination and presents the new TW2 standards. Drs Tanner, Whitehouse and co-workers are at the Department of Growth and Development, Institute of Child Health, University of London, and the Hospital for Sick Children in London.

This new book includes a much clearer description of their method for the evaluation of bone age than in the previously published TW1 standards. Several other significant improvements have been made since the previous study. First of all, the publication gives both line and radiographic illustrations of the various stages of development for each of the bones. It also presents separate standards for boys and girls that recognize systematic differences between the sexes and the fact that girls are not simply more mature boys. Probably the most useful addition to the book is the separate standards for the carpals and the tubular bones. The tubular

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