Ultrasound of femoral head cartilage: a new method of assessing bone age.
This paper analyses the relationship between the thickness of the anterior femoral head cartilage (FHC), as measured by ultrasound, and some anthropometric parameters, such as height, weight, skeletal and chronological age. In addition, it provides standard norms for FHC thickness in a paediatric population. Both hips were examined in 213 consecutive subjects (99 boys and 114 girls), aged 1.9-14 years. Seventy-four subjects underwent hand and wrist X-rays for skeletal maturation: 32 of these were dropped from the study because a discrepancy as high as two standard deviations was found between their skeletal and their chronological age. The thickness of FHC correlated strongly with skeletal and chronological age, standing height and body weight. A side difference of 0.2 mm in FHC was considered to be abnormal. The study population was divided into 13 groups according to chronological and values of FHC for boys and girls are provided for each group. It is suggested that the magnitude of hyaline FHC is valuable feature in the evaluation of skeletal maturation in children.
Castriota-Scanderbeg
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Department of Radiology, IRCCS CSS, San Giovanni Rotondo (Foggia), Italy.
De Micheli
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D000293:Adolescent; D000365:Age Determination by Skeleton / Q000379:methods; D001827:Body Height; D001835:Body Weight; D002358:Cartilage, Articular / Q000000981:diagnostic imaging*; D002648:Child; D002675:Child, Preschool; D005260:Female; D005270:Femur Head / Q000000981:diagnostic imaging*; D006225:Hand / Q000000981:diagnostic imaging; D006801:Humans; D006818:Hyalin / Q000000981:diagnostic imaging; D007223:Infant; D008297:Male; D014463:Ultrasonography; D014953:Wrist / Q000000981:diagnostic imaging