نتایج جستجو برای: Bone erosion

تعداد نتایج: 333697  

2016
Patapong Towiwat Anthony J. Doyle Gregory D. Gamble Paul Tan Opetaia Aati Anne Horne Lisa K. Stamp Nicola Dalbeth

BACKGROUND It is currently unknown whether bone erosion in gout occurs through an 'inside-out' mechanism due to direct intra-osseous crystal deposition or through an 'outside-in' mechanism from the surface of bone. The aim of this study was to examine the mechanism ('outside-in' vs. 'inside-out') of monosodium urate (MSU) crystal deposition in bone erosion in gout. Specifically, we used three-d...

2011
Suat Keskin Hüseyin Çetin Hüseyin Gürkan Töre

Aim: Computerized tomography (CT) examination of temporal bone is a routine procedure in the diseases of the middle ear. The aim of this study is to establish the efficacy of CT in the diagnosis of the complications due to inflammatory pathologies of middle ear. Method: Patients with suspected middle ear pathology were undergone temporal CT examination between August 2006June 2008. 56 patients ...

2015
Huaming Zhu Weitian Zhang Jian Guan Haibo Ye Kaiming Su

Background: Bone erosion is a common manifestation of sinus fungus ball (SFB) on CT imaging, however, the relationship between CT imaging and clinical features of SFB with bone erosion were not clear. Purpose: To evaluate the CT imaging and clinical features of sinus fungus ball with bone erosion and to explore the possible factors underlying its formation. Material and methods: The clinical da...

Journal: :iranian journal of otorhinolaryngology 0
mehtab alam department of otorhinolaryngology, j.n.medical college, a.m.u, aligarh, india. syed abrar hasan department of otorhinolaryngology, j.n.medical college, a.m.u, aligarh, india. shahab-farkhund hashmi department of otorhinolaryngology, j.n.medical college, a.m.u, aligarh, india.

introduction: hydatid disease caused by larval stage of echinococcus has been recognized endemically in many countries. liver and lungs are the most commonly affected organs. involvement of the head and neck region is rare and bony erosion due to hydatidosis is even rarer. case report: we report a case of a 17-year-old girl from a poor socio-economic background who presented with a right sided ...

Journal: :acta medica iranica 0
ar. rostamian ah. naji f. gharibdoost a. khalvat l. jafari saraf k. saeedfar

rheumatoid arthritis is the most common inflammatory joint disease with 1 percent prevalence in community which presents with symmetrical polyarthritis of hands with inflammatory behavior. several studies in recent years were conducted for evaluation of inflammatory cytokines such as il1-α (interlukin 1α) and tnf- α (tumor necrosis factor) in rheumatologic disorders including rheumatoid arthrit...

Journal: :Arthritis Research & Therapy 2007
David R Haynes

Pathogenic bone erosion is often associated with inflammation. The destructive bone erosion that is often seen in rheumatoid arthritis is probably due to the close proximity of inflamed tissues to bone. Over the past decade, major advances have been made in our understanding of the factors that are crucial in regulating osteoclast bone resorption. It is not surprising that these factors are exp...

2015
Georg Schett Kurt Redlich Josef S Smolen

Bone erosion is a hallmark of rheumatoid arthritis. Recent evidence from experimental arthritis suggests that osteoclasts are essential for the formation of local bone erosions. Two essential regulators of osteoclastogenesis have recently been described: the receptor-activator of nuclear factor kappa B ligand, which promotes osteoclast maturation, and osteoprotegerin (OPG), which blocks osteocl...

Journal: :Arthritis Research & Therapy 2003
Georg Schett Kurt Redlich Josef S Smolen

Bone erosion is a hallmark of rheumatoid arthritis. Recent evidence from experimental arthritis suggests that osteoclasts are essential for the formation of local bone erosions. Two essential regulators of osteoclastogenesis have recently been described: the receptor-activator of nuclear factor kappa B ligand, which promotes osteoclast maturation, and osteoprotegerin (OPG), which blocks osteocl...

2015
Sheng Li Liang Hao Lin Wang Yun Lu Qian Li Zheng Zhu Jian-Zhong Shao Wei Chen Michael Glogauer

Periodontal disease (Periodontitis) is a serious disease that affects a majority of adult Americans and is associated with other systemic diseases, including diabetes, rheumatoid arthritis, and other inflammatory diseases. While great efforts have been devoted toward understanding the pathogenesis of periodontitis, there remains a pressing need for developing potent therapeutic strategies for t...

Journal: :The American journal of pathology 2001
A R Pettit H Ji D von Stechow R Müller S R Goldring Y Choi C Benoist E M Gravallese

There is considerable evidence that osteoclasts are involved in the pathogenesis of focal bone erosion in rheumatoid arthritis. Tumor necrosis factor-related activation-induced cytokine, also known as receptor activator of nuclear factor-kappaB ligand (TRANCE/RANKL) is an essential factor for osteoclast differentiation. In addition to its role in osteoclast differentiation and activation, TRANC...

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