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Jiang Y. [Normal radiologic anatomic variants and X-ray findings of hypervitaminosis D of the ulna, radius and carpal bones in children]. Zhonghua Yi Xue Za Zhi. 1990;70(1):32-4, 4
Jiang, Y. (1990). [Normal radiologic anatomic variants and X-ray findings of hypervitaminosis D of the ulna, radius and carpal bones in children]. Zhonghua yi xue za zhi, 70(1), 32-4, 4.
Jiang, Y. "[Normal radiologic anatomic variants and X-ray findings of hypervitaminosis D of the ulna, radius and carpal bones in children]." Zhonghua yi xue za zhi vol. 70,1 (1990): 32-4, 4.
Jiang Y. [Normal radiologic anatomic variants and X-ray findings of hypervitaminosis D of the ulna, radius and carpal bones in children]. Zhonghua Yi Xue Za Zhi. 1990 Jan;70(1):32-4, 4. Chinese. PMID: 2157537.
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Zhonghua Yi Xue Za Zhi. 1990 Jan;70(1):32-4, 4.

[Normal radiologic anatomic variants and X-ray findings of hypervitaminosis D of the ulna, radius and carpal bones in children].

Zhonghua yi xue za zhi

[Article in Chinese]
Y Jiang

PMID: 2157537

Abstract

The forearm and wrist radiographs in 400 children with age ranging from 2 months to 2 1/2 years were analyzed. Comparatively, x-ray films and their correlated macrosections of the wrist of 14 children's cadavers about the same age were studied. Alternate lines of increased, decreased, and increased density at the distal metaphysis of the ulna and radius were accountable. All these are normal variants of the development of the ulna and radius of infants. A series of abnormal x-ray signs were demonstrated in children administered over 100,000 IU of vitamin D every month on the average. These signs are blurred cortical bone with linear periosteal reaction, disorganization of the cortical bone, osteoporosis, cortical thickening and sclerosis of the ulna and radius, dense and thick calcified ring of ossification nuclei of the carpale, and dense metaphyseal band of the ulna and radius. The more vitamin D was administered, the more frequently abnormal x-ray signs occurred. These signs coincide with the results of radiopathologic and microangiographic correlations of hypervitaminosis D in animals, an experiment we had made before. The x-ray findings of hypervitaminosis D are very complicated. Only based on a series of x-ray signs rather than a single dense metaphyseal band could a radiologic diagnosis of hypervitaminosis D be made.

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