نتایج جستجو برای: ossification

تعداد نتایج: 5858  

Journal: :Journal of clinical images and medical case reports 2023

Labyrinthitis Ossificans (LO) is a pathological condition that results in the ossification of inner ear structures. It occurs mainly

Journal: :the archives of bone and joint surgery 0
1. sjoerd p.f.t. nota department of orthopaedic surgery, academic medical centre amsterdam, the netherlands. peter kloen department of orthopaedic surgery, academic medical centre, meibergdreef 9, 1100 dd, amsterdam, the netherlands.

demineralized bone matrix has been successfully commercialized as an alternative bone graft material that not only can function as filler but also as an osteoinductive graft. numerous studies have confirmed its beneficial use in clinical practice. heterotopic ossification after internal fixation combined with the use of demineralized bone matrix has not been widely reported. in this paper we de...

2014
Kimio Saito Naohisa Miyakoshi Michio Hongo Yuji Kasukawa Yoshinori Ishikawa Yoichi Shimada

INTRODUCTION Achondroplasia is a genetic disorder of bone growth. Congenital spinal stenosis is a well-known complication of this disease, but, to the best of our knowledge, no cases involving combined stenosis with congenital lumbar spinal stenosis and ossification of the ligamentum flavum in achondroplasia have been reported previously. In this report, we describe a case of a patient with con...

Journal: :PloS one 2015
Kelly E O'Quin Pooja Doshi Anastasia Lyon Emma Hoenemeyer Masato Yoshizawa William R Jeffery

The sclera is the tough outer covering of the eye that provides structural support and helps maintain intraocular pressure. In some fishes, reptiles, and birds, the sclera is reinforced with an additional ring of hyaline cartilage or bone that forms from scleral ossicles. Currently, the evolutionary and genetic basis of scleral ossification is poorly understood, especially in teleost fishes. We...

2003
Yee Natoli Ogata Lindeman Walsh

VEGF is a well known angiogenic peptide which has been shown to be central to endochondral ossification. Secondary fracture healing involves a combination of intramembranous and endochondral ossification. VEGF has been recently shown to be chemotactic for osteoblasts [1] and chondroclasts and central to endochondral ossification [2]. Fracture healing physiology involves a complex cascade of num...

Journal: :The British journal of radiology 2012
P J Morrison R J Morrison C S McKinstry

Ossification of the stylohyoid ligament is very common in the Caucasian population. More than 9000 descriptions of apparently isolated case reports on PubMed have been cited over the last 20 years, often associated with an incidental finding on imaging after neck trauma. No cases of familial ossification have been described. We document a family with several affected members, each with an ossif...

2015
Sun Woo Bang Kyung Ream Han Seung Ho Kim Won Ho Jeong Eun Jin Kim Jin Wook Choi Chan Kim

Ossification of the tentorium cerebelli over the trigeminal notch is rare, but it may cause compression of the trigeminal nerve, leading to trigeminal neuralgia (TN). We were unable to find any previously reported cases with radiological evaluation, although we did find one case with surgically proven ossification of the tentorium cerebelli. Here, we present a case of TN caused by tentorial oss...

Journal: :Journal 2007
Marc G DuVal Sarah Davidson Andrew Ho Rachale Cohen Michael Park Somayeh Nourian Gerald Baker George K B Sándor

Albright"s hereditary osteodystrophy (AHO) is a complex genetic disorder characterized by brachydactyly, gonadotropin resistance, hypothyroidism, pseudohypoparathyroid syndrome and heterotopic ossification. Heterotopic ossification rarely occurs in the maxillofacial region. In this article, we present such a case, describe the etiology, characteristics and treatment of AHO and suggest a potenti...

Journal: :the archives of bone and joint surgery 0
dirk p. ter meulen orthopaedic hand and upper extremity service, massachusetts general hospital, boston, ma sjoerd nota orthopaedic hand and upper extremity service, massachusetts general hospital, boston, ma michiel hageman orthopaedic hand and upper extremity service, massachusetts general hospital, boston, ma david ring orthopaedic hand and upper extremity service, massachusetts general hospital, boston, ma

background: this study addresses the null hypothesis that there is no expansion of heterotopic ossification (ho) in the elbow beyond what can be seen early on.   methods: the area of ho was measured on lateral radiographs of 38 consecutive patients that had operative treatment of ho between 2000 and 2013. measurements from radiographs obtained between 3 to 7 weeks were compared to measurements ...

2013
Sergiu Botolin Cyril Mauffrey E Mark Hammerberg David J Hak Philip F Stahel

INTRODUCTION Heterotopic ossification is a rare complication of musculoskeletal injuries, characterized by bone growth in soft tissues. Percutaneous antegrade intramedullary nailing represents the 'gold standard' for the treatment of femur shaft fractures. Minor bone growth is frequently seen around the proximal end of reamed femoral nails (so-called 'callus caps'), which are asymptomatic and l...

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