Imaging Characterization of Non-Rheumatoid Retro-Odontoid Pseudotumors: Comparison with Atlantoaxial Manifestation of Rheumatoid Arthritis.

Backgroundand Objectives: To date, imaging characterization of non-rheumatic retro-odontoid pseudotumors (NRROPs) has been lacking; therefore, NRROPs have been confused with atlantoaxial joint involvement of rheumatoid arthritis (RA). It is important to differentiate these two disease because the treatment strategies may differ. The purpose of this study is to characterize imaging findings of NRROPs and compare them with those of RA.

Preclinical mouse model of optical coherence tomography for subcortical brain imaging without dissection.

The purpose of this study was to investigate the feasibility of using optical coherence tomography (OCT) to identify internal brain lesions, specifically intracerebral hemorrhage, without dissection. Mice with artificially injected brain hematomas were used to test the OCT system, and the recorded images were compared with microscopic images of the same mouse brains after hematoxylin and eosin staining. The intracranial structures surrounding the hematomas were clearly visualized by the OCT system without dissection.

Pharmacological target therapy of neuropathic pain and patient-reported outcomes in patients with chronic low back pain in Korea: Results from the NLBP Outcomes Research.

A number of studies have demonstrated an association of neuropathic pain and chronic low back pain (CLBP), but the outcome difference in each medical management is poorly understood. This study is aimed to investigate treatment patterns of neuropathic pain in CLBP patients and to explore patient-reported outcomes (PROs) including quality of life (QoL) and functional disability by treatment patterns.Data were extracted from the neuropathic low back pain (NLBP) outcomes research.

Prevalence of Neuropathic Pain and Patient-Reported Outcomes in Korean Adults with Chronic Low Back Pain Resulting from Neuropathic Low Back Pain.

Study Design: A noninterventional, multicenter, cross-sectional study.

Purpose: We investigated the prevalence of neuropathic pain (NP) and patient-reported outcomes (PROs) of the quality of life (QoL) and functional disability in Korean adults with chronic low back pain (CLBP).

Overview Of Literature: Among patients with CLBP, 20%-55% had NP.

Preoperative Incidence of Deep Vein Thrombosis after Hip Fractures in Korean.

Background: The purpose of the current study was to investigate the incidence of preoperative deep vein thrombosis (DVT) after hip fractures in Korea.

Methods: In this prospective study, we enrolled 152 Korean geriatric patients who had suffered hip fractures due to a simple fall and were hospitalized between January 2013 and December 2013. There were 52 male and 100 female patients, and their mean age was 78.

Unusual Cause of Hip Pain: Intrusion of the Acetabular Labrum.

Femoroacetabular impingement and dysplatic hip joint is well known cause of osteoarthritis. In these diseases, labral tear and subsequent cartilage damage is thought to be main pathophysiology of development of osteoarthritis. If there are no known bony abnormalities, we called it as idiopathic osteoarthritis.

Lumbar spinal chondroma presenting with acute sciatica.

A 47-year-old woman visited with lumbago and severe left leg pain that had been presented for 1 week. The patient complained of severe radiating pain on left L3 sensory dermatome area and reported aggravation of leg pain at 20 degrees of hip flexion by straight leg raising test (SLRT). However, there was no motor weakness on neurological examination.

Pregnancy and spinal problems.

Purpose Of Review: To review recent publications in spinal problems during pregnancy, diagnosis, and management.

Recent Findings: Pregnancy-related low back pain (LBP) is the most common problem which can occur during pregnancy. Among the various factors of pregnancy-related LBP, previous LBP and LBP during menstruation seem to be significant risk factors of pregnancy-related LBP.

Types and prevalence of coexisting spine lesions on whole spine sagittal MR images in surgical degenerative spinal diseases.

Purpose: We investigated types and prevalence of coexisting lesions found on whole spine sagittal T2-weighted images (WSST2I) acquired from magnetic resonance imaging (MRI) and evaluated their clinical significance in surgical degenerative spinal diseases.

Materials And Methods: Coexisting spinal lesions were investigated using WSST2I from 306 consecutive patients with surgical degenerative spinal diseases. Severity of coexisting lesions was classified into four grades (0-3).

Effects of polycaprolactone-tricalcium phosphate, recombinant human bone morphogenetic protein-2 and dog mesenchymal stem cells on bone formation: pilot study in dogs.

Purpose: The aim of this study was to evaluate the survival, proliferation, and bone formation of dog mesenchymal stem cells (dMSCs) in the graft material by using Polycaprolactone-tricalcium phosphate (PCL-TCP), auto-fibrin glue (AFG), recombinant human bone morphogenetic protein-2 (rhBMP-2), and dMSCs after a transplantation to the scapula of adult beagle dogs.

Materials And Methods: The subjects were two beagle dogs. Total dose of rhBMP-2 on each block was 10 microg with 50 microg/mg concentration.

Intradural lumbar disc herniations associated with epidural adhesion : report of two cases.

Intradural lumbar disc herniation (ILDH) is rare. In this report, authors present 2 cases of ILDHs associated with severe adhesion between the dural sac and posterior longitudinal ligament. In a 40-year-old man, ILDH occurred in association with epidural adhesion due to ossification of the posterior longitudinal ligament (OPLL).

Clinical review of factors leading to perioperative dissatisfaction related to orthognathic surgery.

Purpose: The purpose of the study was to obtain information on factors leading to perioperative dissatisfaction of patients who undergo orthognathic surgery for dentofacial deformities.

Materials And Methods: A total of 44 patients who underwent orthognathic surgery between January 1, 2003, and September 30, 2005, were included in this study. All patients completed 21-item questionnaires, which were analyzed using the frequency distribution and the chi(2) test.

Spinal surgery in patients with end-stage renal disease undergoing hemodialysis therapy.

Study Design: Case series retrospective review.

Objective: To present the surgical treatment guideline for spinal diseases with end-stage renal disease (ESRD) patients undergoing hemodialysis.

Summary Of Background Data: Treatment for spinal diseases with ESRD patients in is a special clinical challenge because of complex medical and clinical problems.

Cervical osteochondroma presenting as brown-sequard syndrome in a child with hereditary multiple exostosis.

Cervical cord compression due to osteochondroma in hereditary multiple exostosis (HME) is a rare condition, especially in young children. In this report, we discuss a rare case of cervical osteochondroma presenting as Brown-Sequard syndrome (BSS) in a 7-year-old boy with HME. The child was admitted because of hemiparesis involving the right limbs and hypoesthesia on the left side following mild trauma.

Magnetic resonance imaging findings of subsequent fractures after vertebroplasty.

Objective: The biomechanical effect of injected cement has been considered as the cause of adjacent vertebral fracture (AVF) after vertebroplasty, but the clinical evidence supporting this hypothesis is still insufficient.

Methods: We retrospectively reviewed 33 patients with subsequent fractures among 278 patients who underwent percutaneous vertebroplasty at our hospital from January 2002 to December 2005. The bone marrow edema pattern of subsequent fractures on magnetic resonance imaging was analyzed in 33 patients.

A comparison of the implant stability among various implant systems: clinical study.

Purpose: To determine the change in stability of single-stage, three different design of implant systems in humans utilizing resonance frequency analysis for early healing period (24 weeks), without loading.

Material And Methods: Twenty-five patients were included into this study. A total of 45 implants, three different design of implant systems (group A,C,R) were placed in the posterior maxilla or mandible.

Surgical treatment of primary spinal tumors in the conus medullaris.

Objective: The objective of this study was to evaluate the characteristics and surgical outcome of the conus medullaris tumors.

Methods: We retrospectively reviewed 26 patients who underwent surgery for conus medullaris tumor from August 1986 to July 2007. We analyzed clinical manifestation, preoperative MRI findings, extent of surgical resection, histopathologic type, adjuvant therapy, and outcomes.

Clinical approach and surgical strategy for spinal diseases in pregnant women: a report of ten cases.

Study Design: Case series retrospective review.

Objective: To present the treatment guideline for spinal diseases in pregnant women.

Summary Of Background Data: Treatment for spinal diseases in pregnant women is a special clinical challenge because of complex medical and surgical clinical problems.