Osteitis fibrosa cystica

（重定向自Osteitis fibrosa）

X-ray of a pair of human tibia, which run from the top right and left corner of the image into the bottom center, where they almost converge. Small gray blemishes, identified as brown tumors, can be seen at the top and halfway down the right tibia and about three-quarters down the length of the left tibia.

Diagram showing position of the parathyroid glands beside the thyroid

X-ray of the hands showing brown tumors in the long bones of the fingers

Histology of bone showing osteitis fibrosa cystica. (Fibrosis and intratrabecular tunnels are seen).

Osteitis fibrosa cystica /ˌɒstiːˈaɪtᵻs faɪˈbroʊsə ˈsɪstᵻkə/, abbreviated OFC, also known as osteitis fibrosa, osteodystrophia fibrosa, and Von Recklinghausen's disease of bone (not to be confused with Von Recklinghausen's disease, neurofibromatosis type I), is a skeletal disorder caused by hyperparathyroidism, which is a surplus of parathyroid hormone from over-active parathyroid glands. This surplus stimulates the activity of osteoclasts, cells that break down bone, in a process known as osteoclastic bone resorption. The hyperparathyroidism can be triggered by a parathyroid adenoma, hereditary factors, parathyroid carcinoma, or renal osteodystrophy. Osteoclastic bone resorption releases minerals, including calcium, from the bone into the bloodstream. In addition to elevated blood calcium levels, over-activity of this process results in a loss of bone mass, a weakening of the bones as their calcified supporting structures are replaced with fibrous tissue (peritrabecular fibrosis), and the formation of cyst-like brown tumors in and around the bone. The symptoms of the disease are the consequences of both the general softening of the bones and the excess calcium in the blood, and include bone fractures, kidney stones, nausea, moth-eaten appearance in the bones, appetite loss, and weight loss.

单词	Osteitis fibrosa
释义	Osteitis fibrosa 英语例句库 Mild osteitis fibrosa and osteitis fibrosa, the most frequent forms of renal osteodystrophy, were observed in 13. (22.8%) and 14 patients (24.6%), respectively. 轻度纤维性骨炎和纤维性骨炎是肾病性骨营养不良最常见的形式，分别有13名患者（22.8%）和14名患者（24.6%）出现以上两种疾病。英语百科 Osteitis fibrosa cystica （重定向自Osteitis fibrosa） Osteitis fibrosa cystica /ˌɒstiːˈaɪtᵻs faɪˈbroʊsə ˈsɪstᵻkə/, abbreviated OFC, also known as osteitis fibrosa, osteodystrophia fibrosa, and Von Recklinghausen's disease of bone (not to be confused with Von Recklinghausen's disease, neurofibromatosis type I), is a skeletal disorder caused by hyperparathyroidism, which is a surplus of parathyroid hormone from over-active parathyroid glands. This surplus stimulates the activity of osteoclasts, cells that break down bone, in a process known as osteoclastic bone resorption. The hyperparathyroidism can be triggered by a parathyroid adenoma, hereditary factors, parathyroid carcinoma, or renal osteodystrophy. Osteoclastic bone resorption releases minerals, including calcium, from the bone into the bloodstream. In addition to elevated blood calcium levels, over-activity of this process results in a loss of bone mass, a weakening of the bones as their calcified supporting structures are replaced with fibrous tissue (peritrabecular fibrosis), and the formation of cyst-like brown tumors in and around the bone. The symptoms of the disease are the consequences of both the general softening of the bones and the excess calcium in the blood, and include bone fractures, kidney stones, nausea, moth-eaten appearance in the bones, appetite loss, and weight loss.
随便看	base line density method的意思 baseline design的意思 base line development的意思 base line dimensioning的意思 baseline direction的意思 base line discriminator的意思 baseline discriminator的意思 base line drift的意思 baseline drift的意思 baseline drift corrector的意思 base line drive的意思 base line dwell time的意思 baseline ejection shell的意思 base line end station的意思 base line equation的意思 base line error的意思 baseline expenditure的意思 baseline extension的意思 base line extension的意思 baseline extent的意思 baseline fetal heart rate的意思 baseline fitting的意思 baseline fluctuation的意思 baseline flucuation的意思 baseline forecast的意思