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  2. Pycnodysostosis - Wikipedia

    en.wikipedia.org/wiki/Pycnodysostosis

    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.

  3. Melorheostosis - Wikipedia

    en.wikipedia.org/wiki/Melorheostosis

    The disorder can be detected by radiograph due to thickening of bony cortex resembling "dripping candle wax." It is included on the spectrum of developmental bone dysplasias including pycnodysostosis and osteopoikilosis. [6] The disorder tends to be unilateral and monostotic (i.e. affecting a single bone), with only one limb typically involved.

  4. Growth arrest lines - Wikipedia

    en.wikipedia.org/wiki/Growth_arrest_lines

    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.

  5. Skeletal fluorosis - Wikipedia

    en.wikipedia.org/wiki/Skeletal_fluorosis

    Symptoms are mainly promoted in the bone structure. Due to a high fluoride concentration in the body, the bone is hardened and thus less elastic, resulting in an increased frequency of fractures. Other symptoms include thickening of the bone structure and accumulation of bone tissue, which both contribute to impaired joint mobility.

  6. Köhler disease - Wikipedia

    en.wikipedia.org/wiki/Köhler_disease

    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]

  7. Osteosclerosis - Wikipedia

    en.wikipedia.org/wiki/Osteosclerosis

    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.

  8. Osteochondrodysplasia - Wikipedia

    en.wikipedia.org/wiki/Osteochondrodysplasia

    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 ...

  9. Spondyloepiphyseal dysplasia congenita - Wikipedia

    en.wikipedia.org/wiki/Spondyloepiphyseal...

    The signs and symptoms of spondyloepiphyseal dysplasia congenita are similar to, but milder than, the related skeletal disorders achondrogenesis type 2 and hypochondrogenesis. Spondyloepiphyseal dysplasia congenita is a subtype of collagenopathy, types II and XI .