نتایج جستجو برای: massive bone defect

تعداد نتایج: 471335  

Journal: :bulletin of emergency and trauma 0
holger rupprecht clinical center fuerth, bavaria, germany marius ghidau clinical center fuerth, bavaria, germany katharina gaab clinical center fuerth, bavaria, germany

due to an adenocarcinoma of the right upper lobe with infiltration of the main bronchus a 49-years-old female patient underwent an upper bilobectomy with sleeve resection. after two completed chemotherapy bouts and signs of sepsis another thoracotomy was inevitable.  as a complicating factor a supracarinal, necrotic and perforating lesion of the trachea appeared. the defect can be initially rep...

2016
Won Yong Shon Siva Swaminathan Santhanam Jung Woo Choi

The difficulties encountered in dealing with the bone deficient acetabulum are amongst the greatest challenges in hip surgery. Acetabular reconstruction in revision total hip arthroplasty can successfully be achieved with hemispherical components featuring a porous or roughened ingrowth surface and options for placement of multiple screws for minor acetabular defect. Acetabular component select...

2004
Chen QJ Li DAF Morgan Walsh

Introduction Banked allogeneic bone grafts have been used widely in clinic for the repair of bone defects. Massive allografts are thought to function through an osteoconductive pathways, demineralized bone was reported to be osteoinductive. Morselized allograft which has been used to fill bony defects in revision arthroplasty to fulfill a mechanical role, as well as to provide a scaffold for ne...

F Sarkarat, HR Mahaseni aghdam, SA Vahdati, Z Nematallahi,

Background and Aim: Autogenous bone grafts are considered the gold standard although they have several disadvantages, leading to a search for suitable alternative graft biomaterials. This study evaluates the histological and histomorphometric properties of regenerated bone in defects in rabbits following the application of two commercially available xenografts (Bio-Oss and Osteon). Materials a...

Objective- The present study was aimed to evaluate repair of a critical segmental defect of rabbit femur using the rabbit’s femoral defects repaired by Zeolite and Zeolite/Collagen scaffolds Design- Experimental Study Animals- Forty-five mature male New Zealand white rabbits Procedures- The animals were randomly divided into three groups of 15 animals each. In the first group...

آن , یوال, سلک غفاری , مسعود, مرجانی , مهدی, مریدپور , روزبه, وشکینی , عباس,

Background and Purpose: Autograft is the best bone graft substitute, however, it has some limitations, so allograft with synthetic or natural materials has been advised to use for bone graft. In this study, Iranian Caspian seashell was used as a biocompatible natural material for radiological evaluation. lodgment of seashell in drilled defects of femur was compared in the treatment group (rab...

Journal: :iranian red crescent medical journal 0
vaner koksal department of neurosurgery, medical school, recep tayip erdogan university, rize, turkey; department of neurosurgery, medical school, recep tayip erdogan university, rize, turkey. tel: +90-5055212361, fax: +90-4642123015 selim kayaci department of neurosurgery, medical school, recep tayip erdogan university, rize, turkey recep bedir department of pathology, medical school, recep tayip erdogan university, rize, turkey

conclusions along with the technological advancement, different materials are employed according to the size of the cranium defect and the age of the case. the application of split costa cranioplasty for the small cranium defects in the region of patient’s face is the method with the least possibility of complications, and its cosmetic and functional results are quite promising. introduction os...

Journal: :iranian journal of medical sciences 0
m.j. emami a. oryan h. saeidinasab a. meimandi parizi

background: there are multiple methods for acceleration of bone healing. bone marrow has been shown to contain osteoprogenitor cells.   objective: to determine the effect of percutaneous bone marrow injection on bone healing.   methods: 15 mature, 2-kg-weighing white new zealand rabbits from both sexes were randomized into 3 groups: group i: only osteotomy of right radius was performed and a 5 ...

Dalili Kajan, Zahra, Nemati, Somayeh, Sohrabi, Mehdi, Yousefi, Zahra,

Anterior stafne bone cyst is a rare and infrequent variant located between the lower incisor and the premolar area above the insertion of the mylohyoid muscle. Stafne bone cyst is a well-defined radiolucent cavity that is usually found as an incidental finding in the radiographic examination. In this article, a rare case of anterior stafne bone cyst is reported that resembled a radicular cyst, ...

Chiquita Prahasanti, Diah Savitri Ernawati Ketut Suardita, Lieke Halim Subrata Tania Saskianti,

Background: Tissue engineering using Stem cell from Human Exfoliated Deciduous Teeth (SHED) and a natural biomaterials biomaterial scaffold has become a promising therapy for the alveolar bone defect. The aim of this study was to analyze the Osteoprotegerin (OPG) and Receptor Activator of NF-Κb ligand (RANKL) expression after the application of Hydroxyapatite scaffold and SHED.Methods: A labora...

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