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High bone density, Acro-osteolysis and obtuse mandibular angle are the characteristic radiological findings of this disorder. [10] Pycnodysostosis also causes problems that may become evident with time. Aside from the broken bones, the distal phalanges and the collar bone can undergo slow progressive deterioration.
Growth arrest lines, also known as Harris lines, are lines of increased bone density that represent the position of the growth plate at the time of insult to the organism and formed on long bones due to growth arrest. They are only visible by radiograph or in cross-section. The age at which the lines were formed can be estimated from a radiograph.
This bone ossification usually begins within the first 18 to 24 months of a female's life and the first 24 to 30 months of a male's life. Ossification will occur more slowly on the tarsal navicular bone than on other bones of the foot. This causes an overall loss of blood supply in the areas surrounding, as a result of the compression. [5]
Hyperostosis is an excessive growth of bone. It may lead to exostosis. It occurs in many musculoskeletal disorders. Disorders featuring hyperostosis include: [1] Camurati-Engelmann disease, type 2; Hypertrophic osteoarthropathy, primary, autosomal recessive, 2; Melorheostosis; Tumoral calcinosis, hyperphosphatemic, familial, 1; Worth disease
Osteosclerosis is a disorder characterized by abnormal hardening of bone and an elevation in bone density. It may predominantly affect the medullary portion and/or cortex of bone. Plain radiographs are a valuable tool for detecting and classifying osteosclerotic disorders. [1] [2] It can manifest in localized or generalized osteosclerosis.
The most common type of bone cancer, called osteosarcoma, mostly affects children and young adults under 20. Ewing sarcoma is another main type of bone cancer, which most commonly affects people ...
Fibrous dysplasia causes bone thinning [13] and growths or lesions in one or more bones of the human body. These lesions are tumor-like growths that consist of replacement of the medullary bone with fibrous tissue, causing the expansion and weakening of the areas of bone involved. Especially when involving the skull or facial bones, the lesions ...
The impairment of bone metabolism causes inadequate bone mineralization. Osteomalacia in children is known as rickets, and because of this, use of the term "osteomalacia" is often restricted to the milder, adult form of the disease. Signs and symptoms can include diffuse body pains, muscle weakness, and fragility of the bones.