OBJECTIVE This study was designed to investigate the correlation between insertion depth of artificial disc and postoperative kyphotic deformity after Prodisc-C total disc replacement surgery, and the range of artificial disc insertion depth which is effective in preventing postoperative whole cervical or segmental kyphotic deformity. METHODS A retrospective radiological analysis was performe...

BACKGROUND Chiari II deformity is associated with open spinal dysraphism. A causal relationship has been proposed by McLone and Knepper. This article evaluates that hypothesis. OBJECTIVE To establish the frequency of Chiari II deformity in fetuses with open spinal dysraphism, assess whether meningocele sac neck area and volume influence the severity of posterior fossa changes, and assess whet...

OBJECTIVE Clawing of the toes in the diabetic neuropathic foot is believed to be caused by muscle imbalance resulting from intrinsic muscle atrophy. However, experimental data that support this mechanism are lacking. The aim of this study was to evaluate this hypothesis using magnetic resonance imaging (MRI). RESEARCH DESIGN AND METHODS In 20 neuropathic diabetic patients, 10 with claw toe de...

UNLABELLED In elderly men and women, asymptomatic vertebral deformity was found to be associated with subsequent risk of symptomatic fractures, particularly vertebral fracture, and increased risk of mortality after a fracture. INTRODUCTION Vertebral deformity is associated with an increased risk of fracture and mortality. However, it is unclear whether the three events of vertebral deformity,...

We retrospectively evaluated 38 patients who had a total of 52 triple arthrodeses. The average age at the time of operation was 14.2 years and the mean followup period was 10.2 years. Results were rated good in 17 feet, fair in 28 and poor in 7. Talonavicular pseudarthrosis was observed in two feet, residual varus deformity in four, residual valgus deformity in one, wound infections in two, and...

Conventional osteotomy used for the correction of deformity is performed out of the plane of deformity creating a wedge either opening or closing when the deformity is corrected. Deformity that is a combination of rotation and angulation exists in a single plane that is oblique to the coronal, sagittal and axial planes depending on the magnitude of deformity measured in each plane. Accurate pla...

Fibrous dysplasia, a condition in which the skeleton fails to develop normally, is characterized by fibroblastic stroma and immature bone. Bowing of the long bones occurs frequently in the polyostotic form, and stress fractures often result. Shepherd's crook deformity is a characteristic feature of fibrous dysplasia. The goal of its treatment is to obtain normal walking ability and relieve pain...

Malalignment of the spine can be defined as a spinal deformity. Spinal deformities may be secondary to a variety of causes including congenital anomalies, neuromuscular disorders, skeletal dysplasies, and some other developmental disorders. Pediatric spine deformities may be accompanied by neural and systemic organ pathologies. Therefore the diagnosis, treatment and follow-up strategies may cha...

Focal dome osteotomy (FDO) allows deformity correction without secondary translational deformity. The purpose of this study was to evaluate the degree of correction and knee functional outcome after correction of frontal knee deformity using femoral supracondylar FDO fixed with plate and screws. A prospective study included 12 consecutive cases of femoral frontal plane deformity that underwent ...

BACKGROUND Codman's paradox reveals a misunderstanding of geometry in orthopedic practice. Physicians often encounter situations that cannot be understood intuitively during orthopedic interventions such as corrective osteotomy. Occasionally, unexpected angular or rotational deformity occurs during surgery.This study aimed to draw the attention of orthopedic surgeons toward the concepts of orie...