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2012, Vol.19, No.1

  • 1.

    Association of Estrogen Receptor 2(ESR 2) Gene Polymorphisms with Ossification of the Posterior Longitudinal Ligament of the Spine

    Ki-Tack KIM | 곽윤호 | LEE SANG HUN and 3other persons | 2012, 19(1) | pp.1~7 | number of Cited : 0
    Abstract
    Study Design: Genetic screening of the estrogen receptor 2 (ESR2) genes in patients with ossification of the posterior longitudinal ligament (OPLL). Objective: We studied the relationships between ESR2 gene polymorphisms and OPLL to understand the pathophysiology of OPLL. Summary of Literature Review: The OPLL has a strong genetic component. Several familial surveys and human leukocyte antigen (HLA) haplotype studies reveal that genetic background is an important component in the occurrence of OPLL and a large number of gene analysis studies were utilized to clarify the susceptible gene for OPLL, including COL11A2, BMP-2, TNF-α, NPPS, leptin receptor,transforming growth factor (TGF)-β, Retinoic X receptor, ER, IL-1, PTH, and VDR have been performed. Materials and Method: Genomic deoxyribonucleic acid (DNA) samples obtained from 164 patients (93 men and 71 women) with OPLL and 219 control subjects, without the disease (105 men and 114 women) were amplified by polymerase chain reaction, and polymorphism genotypes were determined by the restriction endonuclease digestion. The distribution of genotypes was compared between the patients with the disease and the control subjects. Results: The polymorphism of ESR2 [rs1256049, exon6, Val328Val, p=0.018, odd ratio (OR)=2.41, 95 confidence interval (CI)=1.15-5.02 in the recessive model] only showed statistically significant association between the control and the OPLL groups. The rest SNPs of ESR2did not show any significant differences between the control and the OPLL groups. Conclusions: Estrogen receptor 2 (ESR2) gene polymorphisms (rs 1256049) was associated with OPLL. In future studies, we will perform target SNP chip between OPLL and candidate gene.
  • 2.

    Comparison of TLICS & McAfee Classification in Thoracolumbar Injuries

    김우철 | 이규열 | 강진헌 and 1other persons | 2012, 19(1) | pp.8~15 | number of Cited : 0
    Abstract
    Study Design: A retrospective study. Objectives: We assessed the intraobserver and interobserver reliability of TLICS classification in the thoracolumbar injuries, which had been evaluated in our hospital. It was compared with that of the older, McAfee classification and discussed for clinical validation. Summary of Literature Review: Among the numerous literatures regarding the thoracolumbar injury, there is no consensus on the most useful classification, and there is nothing comparing the McAfee classification with the TLICS classification. Materials and Methods: Among the 230 patients that were treated with conservative care or operation from January 1, 2005 to January 1, 2010 in our hospital, 185 patients with initial CT and MRI images were assessed. Five orthopedic surgeons reviewed histories, plain film, CT and MRI of the 185 thoracolumbar injury cases, respectively. Each case was classified and scored according to the McAfee classification and the TLICS classification. The case assessment was recorded and the orthopedic surgeons repeated the assessment 1 month later. Intraobserver and interobserver reliability were assessed by statistical analysis. The actual management of each case was compared with the treatment recommended by TLICS classification to calculate the validity of the indexes. Results: Intraobserver and interobserver reliability in TLICS were higher than those in the McAfee classification. Agreement of the TLICS classification for treatment recommendation was 81.7%, comparing with the actual management of previous McAfee classification. Validity indexes were satisfactory in therapeutic decision making, especially specificity. Conclusions: TLICS classification has a relative high K-value, when compared with that of the McAfee classification for intraobserver and interobserver reliability. Through clinical studies, including prospective observational analysis, TLICS classification can be applied and adjusted more adequately.
  • 3.

    The Inferior Accessory Ossicle of the Anterior Arch of the Atlas Misdiagnosed as Anterior Arch Fracture - A Case Report -

    Yung Park | Hyoung Bok Kim | 전상우 and 6other persons | 2012, 19(1) | pp.16~19 | number of Cited : 0
    Abstract
    Study Design: Case report. Objectives: We report a very rare case of the inferior accessory ossicle of the anterior arch of the atlas misdiagnosed as anterior arch fracture. Summary of Literature Review: It is necessary to know the existence of inferior accessory ossicle of the anterior arch of the atlas, even though it is extremely rare. Materials and Methods: A 29-year-old woman was referred to our emergency service unit with symptoms of neck pain and scalp laceration, after being involved in a car accident. She was diagnosed as the inferior accessory ossicle of the anterior arch of the atlas, by multiple diagnostic mordalities. Results: The symptom of neck pain was relieved spontaneously, and her symptom has been relieved at her latest visit, as a follow up within 3 months. Conclusions: It is important to be aware of cervical anatomical variants because we commonly confuse it with other pathologic conditions, such as a fracture and thus, misdiagnose the condition.
  • 4.

    Myelopathy due to Thoracic Intradural Extramedullary Tumor Misdiagnosed as the Cerebral Infarction -A Case Report-

    Jaewan Soh | 신병준 | Jae Chul Lee and 2other persons | 2012, 19(1) | pp.20~24 | number of Cited : 0
    Abstract
    Study Design: A Case report. Objectives: We report a case of thoracic intradural extramedullary tumor that has been misdiagnosed as the cerebral infarction. Summary of Literature Review: Spinal meningioma is one of the common spinal tumors. Clinical symptoms were characteristically progressive myelopathy, rather than radiculopathy. Materials and Methods: A 66-year-old female patient who had a history of cerebral infarction admitted as suffering from progressive lower extremities weakness for 6 months. The patient was diagnosed and has been treated as the cerebral infarction at another hospital. However, the patient showed worsening symptoms. In magnetic resonance imaging, an intradural extramedullary space occupying mass compressing the spinal cord, between T8 and T9 level, was shown. By undergoing an operation, resected the mass. In a pathologic report, mass was confirmed to be meningioma. Results: After the operation, symptoms were improved. The patient was able to walk 2 weeks after surgery. Conclusions: We report the correct diagnosis and a successful surgical treatment of myelopathy, due to thoracic myelopathy that has been misdiagnosed as the cerebral infarction in another hospital.
  • 5.

    Tuberculosis Spondylitis T4-6 with Compression Fracture T5 - A Case Report -

    심호용 | Lim Oh Kyung | 이하림 and 2other persons | 2012, 19(1) | pp.25~30 | number of Cited : 0
    Abstract
    Study Design: Case report Objectives: We report a case of a female patient who had only upper back pain without neurological symptoms and was later diagnosed with spine tuberculosis in combination with a compression fracture. Summary of Literature Review: Spine tuberculosis is the most common type of musculoskeletal tuberculosis. However, the indolent nature of tuberculous bone and joint disease often leads to delayed diagnosis and severe neurologic complications. Material and Methods: A 37-year-old female with only upper back pain for five months was admitted. She had no signs, symptoms or past histories related to tuberculosis. She had taken conservative management, but symptoms persisted. Results: By doing motor and sensory evoked potential studies, we questioned spinal cord jury. Then, we confirmed spine tuberculosis T5with T4 compression fracture by thoracic magnetic resonance imaging and pathologic findings. Conclusions: When a patient presents constant back pain without neurological symptoms, image study and electromyography should be evaluated.