Greulich, William Walter

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Greulich,

William Walter, radiologist.
Greulich and Pyle atlas - collection of plates, illustrations, text, and x-rays providing data on bone age.
References in periodicals archive ?
Objective: To assess the degree of applicability of bone age calculated by Greulich and Pyle Atlas in estimation of chronological age for therapeutic and medico legal purposes.
Bone ages were computed using Greulich and Pyle Atlas by radiologists at Ziauddin Hospital, North Nazimabad, Karachi.
Results: On average, the Greulich and Pyle Atlas underestimates chronological age by 6.
Conclusion: Bone age calculated by Greulich and Pyle Atlas should not be used for estimating chronological age in children of ages 56-113 months in situations where high accuracy is required (e.
Bone age is calculated by comparing the degree of ossification in various hand and wrist bones with the nearest matching plate on the Greulich and Pyle Atlas separately for male and female children.
11A couple of studies have been conducted to assess the reliability of Greulich and Pyle Atlas in Pakistani children.
Table-I: Differences and relationship between chronological age (CA) and bone age by Greulich and Pyle Atlas (GP) in different genders.
computed from the selected radiograph images using Greulich and Pyle Atlas by radiologists at Ziauddin Hospital, North Nazimabad campus.
Our study indicates that there is a great variation in the chronological age and bone age calculated by the Greulich and Pyle Atlas.
Table-II: Differences between chronological age (CA) and bone age by Greulich and Pyle Atlas (GP) in different age quartiles.
Various international studies have reported different results regarding the applicability of the Greulich and Pyle Atlas for estimation of chronological age.
Then the image is analyzed by tak- ing account of selected regions of interest for calcu- lating bone age by Tanner-Whitehouse method or by comparison with standard images for estimation by Greulich and Pyle Atlas.