Local Staging of Soft-Tissue Sarcoma: Emphasis on Assessment of Neurovascular Encasement-Value of MR Imaging in 174 Confirmed Cases.

Purpose: To evaluate utility of magnetic resonance (MR) imaging in local staging of soft-tissue sarcoma, with an emphasis on assessment of neurovascular encasement.

Materials And Methods: Institutional review board approval was obtained; informed consent requirement was waived. Preoperative MR images in 174 patients with soft-tissue sarcoma were analyzed by two readers.

Customised osteotomy guides and endoprosthetic reconstruction for periacetabular tumours.

Purpose: We sought to analyse clinical and oncological outcomes of patients after guided resection of periacetabular tumours and endoprosthetic reconstruction of the remaining defect.

Methods: From 1988 to 2008, we treated 56 consecutive patients (mean age 52.5 years, 41.

Acute osteomyelitis of the humerus mimicking malignancy: Streptococcus pneumoniae as exceptional pathogen in an immunocompetent adult.

Background: Chronic osteomyelitis due to direct bone trauma or vascular insufficiency is a frequent problem in orthopaedic surgery. In contrast, acute haematogenous osteomyelitis represents a rare entity that almost exclusively affects prepubescent children or immunodeficient adults.

Case Presentation: In this article, we report the case of acute pneumococcal osteomyelitis of the humerus in an immunocompetent and otherwise healthy 44-year-old male patient presenting with minor inflammation signs and misleading clinical features.

New method for determining in vitro structure stiffness of ceramic acetabular liners under different impact conditions.

Increasing both patient mobility and prosthesis life span requires improvements in the range of motion and wear behavior of the liner. With the use of new composite alumina-zirconia ceramic materials, the same stability of the liner can be achieved at lower wall thickness than it is possible with alumina-only materials. The aim of this study was developing a method for determining the in vitro structure stiffness of ceramic acetabular liners against impact stresses.

Primary extrahepatic alveolar echinococcosis of the lumbar spine and the psoas muscle.

Alveolar echinococcosis (AE) of human being caused by Echinococcus multilocularis is a rare but important zoonosis especially in tempered zones of middle Europe and Northern America with endemic character in many countries. Due to the long incubation period, various clinical manifestations, critical prognosis, and outcome AE presents a serious and severe disease. The primary focus of infection is usually the liver.

Avascular necrosis following fracture-dislocation of the hip and spontaneous relocation.

Injuries occurring during soccer tend to occur with lower energy transfer than in some other contact sports. Tibial and femoral shaft fractures occasionally occur, but pelvic fractures are rare. We report a case of a missed posterior acetabular rim fracture, caused by a low energy trauma playing soccer, complicated by the development of avascular necrosis (AVN) of the femoral head and subsequent osteoarthritis.

[Standardized reconstruction of acetabular bone defects using the cranial socket system].

Objective: Management of primary or secondary acetabular bone loss (D'Antonio type I-IV ). Implantation and stable fixation using a cementless, cranially extended oval press-fit cup to restore painless joint function and loading capacity.

Indications: Septic or aseptic loosening of the acetabular component after total hip arthroplasty.

Infections after primary and revision total hip replacement caused by enterobacteria producing extended spectrum beta-lactamases (ESBL): a case series.

Implant infection remains a feared complication after total hip replacement. A higher rate of infection is observed after revision surgery. An additional threat for such patients arises from the fact that bacteria resistant to a multitude of antibiotics are encountered with increasing frequency in the hospital setting.

Sclerosing epithelioid fibrosarcoma of the bone: a case report of high resistance to chemotherapy and a survey of the literature.

Sclerosing epithelioid fibrosarcoma (SEF) is a rare soft tissue sarcoma mostly occurring in extraosseous sites. SEF represents a clinically challenging entity especially because no standardized treatment regimens are available. Intraosseous localization is an additional challenge with respect to the therapeutical approach.

A new modification of combining vacuum therapy and brachytherapy in large subfascial soft -tissue sarcomas of the extremities.

Purpose: To present a modification of a technique combining the advantages of brachytherapy for local radiation treatment and vacuum therapy for wound conditioning after resection of subfascial soft-tissue sarcomas (STS) of the extremities.

Patients And Methods: Between January and May 2008, four patients with large (> 10 cm) subfascial STS of the thigh underwent marginal tumor excision followed by early postoperative HDR (high-dose-rate) brachytherapy (iridium-192) and vacuum therapy as part of their interdisciplinary treatment. The sponge of the vacuum system was used to stabilize brachytherapy applicators in parallel positions and to allow for a maximal wound contraction in the early postoperative phase, thus preventing seroma and deterioration of local dose distribution as optimized in computed tomography-(CT-)based three-dimensional conformal treatment planning.

Closed wedge osteotomy in 66 patients for the treatment of moderate to severe hallux valgus.

Background: The intention of this study was to analyze the long-term results of the proximal closing wedge osteotomy for the correction of hallux valgus deformity, modified by adding a mini L-plate for osteosynthesis.

Methods: The outcome of a proximal first metatarsal closing wedge osteotomy was retrospectively evaluated after a mean follow-up of 52 months. A total of 66 female patients (86 feet) participated in this study.

8-year follow-up after cementless hip arthroplasty with a second generation spongy metal total hip replacement.

We studied a consecutive series of 81 cementless total hip arthroplasties in 80 patients using the second generation ESKA cementless spongy metal hip replacement. The study end-point was implant revision and both function as well as satisfaction with treatment outcome were assessed.Mean age at the time of surgery was 50.

The effect of antibacterial acting extracorporeal shockwaves on bacterial cell integrity.

Background: Antibacterial effects of extracorporeal shockwaves (ESWs) have been demonstrated in vitro against bacteria under static and dynamic growth conditions. This study assessed the effects of ESWs on the cell wall integrity of bacteria.

Material/methods: Standardized suspensions of Staphylococcus aureus were exposed to various shockwave impulses (2000-12,000) of different energy flux densities (EFD, 0.

Energy-dependent stimulatory and inhibitory effects of extracorporeal shock waves on bacteria and on gentamicin activity.

Background: Local infection is considered a contraindication for extracorporeal shock wave (ESW) application, although the antibacterial effects of ESW have been clearly demonstrated in vitro. This study aimed to assess the effects of ESW on bacteria under growth-promoting conditions and to evaluate interactions with the activity of gentamicin.

Material/methods: Standardized suspensions of Staphylococcus aureus were exposed to 4000 shock wave impulses of various energy flux densities (EFD) both at 37 degrees C in growth medium and at 20 degrees C in saline.

[Extracorporeal high hydrostatic pressure as a new technology for the disinfection of infected bone specimens]].

Background: Allogeneic bone transplantation is at risk of infection, and established disinfection methods typically compromise bone quality. High hydrostatic pressure (HHP) is well established for disinfection in food technology, and also it does protect biomechanical and biological properties of bone. This study is the first investigation of HHP regarding disinfection of bone biopsies.

High risk of cognitive and functional decline after postoperative delirium. A three-year prospective study.

Background/aims: The aim of the study was to investigate the association of postoperative delirium with the outcomes of cognitive impairment, functional disability and death.

Methods: Hip surgery patients aged 60 years or over (n = 200) underwent preoperative and daily postoperative assessment of their cognitive status during hospital stay. Outcome variables were determined at an average of 8 and 38 months after discharge from hospital.