| Clinical Significance of Cone-shaped Epiphysis and Brachymesophalangia of the Fifth Middle Phalanx in Korean Children with Normal Short Stature. |
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Yun Hye Jung, Eun Jung Choi, Im Jeong Choi, Su Young Hong, Jae Ho Yoo |
1Department of Pediatrics, Maryknoll Medical Center, Busan, Korea.
2Department of Pediatrics, Ilsin Christian Hospital, Busan, Korea.
3Department of Pediatrics, College of Medicine, Dong-A University, Busan, Korea. pedendo@dau.ac.kr |
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| Abstract |
PURPOSE
The cone-shaped epiphyses mid-5 (CSE-5) and brachymesophalagia-5 (BMP-5) are common osseous anomalies.
Those are thought to be normal variants. We evaluated the frequency of CSE-5 and BMP-5 and the influence of them on adult height in Korean children with normal short stature.
METHODS:We retrospectively reviewed medical records of 322 normal short stature children. Lengths of the fourth (MP-4) and fifth middle phalanx (MP-5) and widths of MP-5 of all children were measured. Two indicies for BMP-5 were used.
Index 1 was based upon the ratio of the width to the length of the MP-5. Index 2 was based upon the ratio of the lengths of MP-5 to MP-4. CSE-5 was assessed by visual inspection only. We assessed several clinical parameters as follows; advanced skeletal maturation, z-scores of height, target height (THz) and predicted adult height (PAHz) according to CSE-5 and/or BMP-5.
Results
Of the 322 children, 23.6% had BMP-5 (male 19.5%, female 27.4%), 23.6% had CSE-5 (male 13.0%, female 33.3%).
The children with CSE-5 and/or BMP-5 were more advanced skeletal maturation than normal fifth finger (0.07+/-1.09 yrs vs -0.23+/-1.34 yrs, P=0.049), lower PAHz (-1.13+/-1.09 vs -0.71+/-1.28, P=0.008), lower PAHz- THz (-0.53+/-1.07 vs -0.14+/-1.30, P=0.013). In male subjects, the PAHz had weak correlation with index 1 (r=-0.26, P=0.001) and index 2 (r=0.27, P=0.001).
CONCLUSION
This study suggests that BMP-5 and CSE-5 in Korean children with short stature are one contributable factor for adult height. |
| Keywords:
Bone development;Dysplasia;Phalanges of fingers;Hand radiography;Body height |
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