Juvenile Kyphosis: An Ultrastructural Study

Biopsy specimens of the spine, including intervertebral disc, vertebral plate, growth plate, and part of the vertebral body, were obtained from seven patients with juvenile kyphosis treated by anterior spinal arthrodesis. Histological and histochemical studies showed abnormal loose-appearing cartila...

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Veröffentlicht in:Journal of pediatric orthopaedics 1985-05, Vol.5 (3), p.315-322
Hauptverfasser: Ippolito, E, Bellocci, M, Montanaro, A, Ascani, E, Ponseti, I V
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container_issue 3
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container_title Journal of pediatric orthopaedics
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creator Ippolito, E
Bellocci, M
Montanaro, A
Ascani, E
Ponseti, I V
description Biopsy specimens of the spine, including intervertebral disc, vertebral plate, growth plate, and part of the vertebral body, were obtained from seven patients with juvenile kyphosis treated by anterior spinal arthrodesis. Histological and histochemical studies showed abnormal loose-appearing cartilage in both the vertebral plate and the growth plate. Both plates were missing in some vertebrae. Ultrastructurally the abnormal cartilage had a matrix rich in proteoglycans and very thin collagen fibrils. The mineralization and ossification of the vertebral plates were irregular. Vertebral bone growth was stunted under the areas of abnormal growth plates.
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subjects Adolescent
Biological and medical sciences
Diseases of the osteoarticular system
Diseases of the spine
Female
Growth Plate - metabolism
Growth Plate - ultrastructure
Humans
Kyphosis - pathology
Male
Medical sciences
Microscopy, Electron
Proteoglycans - biosynthesis
Thoracic Vertebrae - ultrastructure
title Juvenile Kyphosis: An Ultrastructural Study
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