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A Nationwide Study of Surgery in a Newly Diagnosed Spine Metastasis Population

Sohn S, Chung CK, Han KD, Jung JH, Hyeun JH, Kim J, Chang UK, Sohn MJ, Kim SH

OBJECTIVE: The aim of this nationwide study was to analyze the current state of patients with newly diagnosed metastatic spine tumors according to surgical methods. METHODS: Data was extracted from the...
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The Effect of Perioperative Radiation Therapy on Spinal Bone Fusion Following Spine Tumor Surgery

Kim TK, Cho W, Youn SM, Chang UK

INTRODUCTION: Perioperative irradiation is often combined with spine tumor surgery. Radiation is known to be detrimental to healing process of bone fusion. We tried to investigate bone fusion rate in...
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Two Cases of Dedifferentiated Chordoma in the Sacrum

Kim SC, Cho W, Chang UK, Youn SM

Dedifferentiated chordoma (DC) is defined as a chordoma containing sarcoma components. DC is distinguished from conventional chordoma by the rapidity of tumor growth and the potential for distant metastasis. We...
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Clinical Outcome of Treatment for Patients with Giant Cell Tumor in Spine

Kim SC, Cho W, Chang UK, Youn SM

OBJECTIVE: The treatment of giant cell tumor (GCT) is mainly performed surgically. However, GCT in spine seems difficult to treat because of the limited surgical accessibility and proximity. In this...
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Clinical Significance of Radiological Stability in Reconstructed Thoracic and Lumbar Spine Following Vertebral Body Resection

Sung SH, Chang UK

OBJECTIVE: Vertebral body replacement following corpectomy in thoracic or lumbar spine is performed with titanium mesh cage (TMC) containing any grafts. Radiological changes often occur on follow-up. This study investigated...
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Evaluation of Risk Factors for Vertebral Compression Fracture after Stereotactic Radiosurgery in Spinal Tumor Patients

Sung SH, Chang UK

OBJECTIVE: Stereotactic radiosurgery (SRS) is an emerging treatment modality for malignant spinal tumors. After SRS, some patients suffered from pain aggravation due to development of vertebral compression fracture (VCF). In...
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Survival and Recurrence Rate after Treatment for Primary Spinal Sarcomas

Cho W, Chang UK

OBJECTIVE: We have limited understanding on the presentation and survival of primary spinal sarcomas. The survival, recurrence rate, and related prognostic factors were investigated after treatment for primary sarcomas of...
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Analysis of Prognostic Factors Relating to Postoperative Survival in Spinal Metastases

Yang SB, Cho W, Chang UK

OBJECTIVE: To analyze the prognostic factors thought to be related with survival time after a spinal metastasis operation. METHODS: We retrospectively analyzed 217 patients who underwent spinal metastasis operations in our...
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The Use of Pedicle Screw-Rod System for the Posterior Fixation in Cervico-Thoracic Junction

Cho W, Eid AS, Chang UK

OBJECTIVE: In cervico-thoracic junction (CTJ), the use of strong fixation device such as pedicle screw-rod system is often required. Purpose of this study is to analyze the anatomical features of...
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Clinical Results of Cyberknife(R) Radiosurgery for Spinal Metastases

Chang UK, Youn SM, Park SQ, Rhee CH

OBJECTIVE: Primary treatment of spinal metastasis has been external beam radiotherapy. Recent advance of technology enables radiosurgery to be extended to extracranial lesions. The purpose of this study was to...
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The Changes in Range of Motion after a Lumbar Spinal Arthroplasty with Charitetrade mark in the Human Cadaveric Spine under Physiologic Compressive Follower Preload : A Comparative Study between Load Control Protocol and Hybrid Protocol

Kim SH, Chang UK, Chang JC, Chun KS, Lim TJ, Kim DH

OBJECTIVE: To compare two testing protocols for evaluating range of motion (ROM) changes in the preloaded cadaveric spines implanted with a mobile core type Charite(TM) lumbar artificial disc. METHODS: Using...
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Clinical Outcomes after Percutaneous Vertebroplasty for Pathologic Compression Fractures in Osteolytic Metastatic Spinal Disease

Lim BS, Chang UK, Youn SM

OBJECTIVE: Percutaneous vertebroplasty (VP) can provide immediate stabilization in pathologic fractures of spinal tumors. However, long term follow-up data in cases of pathologic fractures are lacking. The authors report follow-up...
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The Role of Surgery in the Treatment of Spinal Myeloma

Kwon AH, Chang UK, Gwak HS, Youn SM, Rhee CH

  • KMID: 2189002
  • J Korean Neurosurg Soc.
  • 2005 Mar;37(3):187-192.
OBJECTIVE: Spinal myeloma has been treated with radiation therapy and chemotherapy. However, the role of surgery was not fully evaluated. This study is performed to evaluate the efficacy of surgery...
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Characteristics of Bone Metastasis of Colorectal Carcinoma

Tak SD, Moon SM, Hwang DY, Chang UK, Lee SY

  • KMID: 2334326
  • J Korean Soc Coloproctol.
  • 2004 Oct;20(5):319-325.
PURPOSE: Since the first case of bone metastasis of a rectal carcinoma was reported by Curling in 1870, bone metastasis in primary colorectal cancer has remained uncommon event. The aim...
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The Apoptosis and Expression of p53, Bcl-2 in Graded Contusion Injury of Rat Spinal Cord

Chang UK, Choe WJ, Kim KJ, Chung CK, Kim HJ

  • KMID: 1588444
  • J Korean Neurosurg Soc.
  • 2004 Oct;36(4):317-323.
OBJECTIVE: This study is designed to investigate how apoptosis is presented and how the genes of p53 and bcl-2 are expressed depending on graded injury in experimental spinal cord injury....
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Brain Metastasis of Colorectal Cancer

Kim IK, Lee RA, Moon SM, Hwang DY, Gwak HS, Chang UK, Rhee CH

  • KMID: 2025803
  • J Korean Soc Coloproctol.
  • 2003 Jun;19(3):165-169.
PURPOSE: Brain metastasis is infrequent in colorectal cancer patients. The purpose of this study was to analyze the clinical characteristics including the survival, type of treatment, and metastatic patterns of...
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The Analysis of Primary Origin in Spinal Metastasis Occurring as the Initial Manifestation of Malignancy

Hur JH, Gwak HS, Chang UK, Lee CH

  • KMID: 2010299
  • J Korean Neurosurg Soc.
  • 2003 Jan;33(1):30-35.
OBJECTIVE: The objective of this study is to delineate clinical features and specific diagnostic and therapeutic implications of spinal metastasis occurring as the initial manifestation of malignancy(SM-IMM)-a less common event...
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The Analysis on Surgical Result and Prognostic Factors of Thoracic Spinal Stenosis

Chang UK, Chung SK, Kim DY, Chung CK, Kim HJ

  • KMID: 2067670
  • J Korean Neurosurg Soc.
  • 2001 Jun;30(6):761-768.
OBJECTIVE: To describe the underlying causes, surgical results, and prognostic factors in thoracic stenosis causing myelopathy, retrospective analysis for 28 cases of thoracic stenosis with surgery was performed MATERIALS AND...
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Surgical Treatment of Spinal Cord Intramedullary Cavernous Angioma

Kim MS, Chung SK, Chang UK, Chung CK, Kim HJ

  • KMID: 2339660
  • J Korean Neurosurg Soc.
  • 1999 Jul;28(7):1001-1007.
Cavernous angiomas are commonly found within the intracranial cavity. However, these malformations are uncommon in the spinal column and rarely found within the spinal cord. There have been only a...
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Surgical Outcome and Prognostic Factors of Spinal Intramedullary Ependymomas in Adults

Chang UK, Kim HJ, Chung CK, Cho BK, Wang KC

  • KMID: 2067538
  • J Korean Neurosurg Soc.
  • 1998 Jun;27(6):742-748.
Ependymoma is the most common spinal intramedullary tumor in adults. The authors reviewed clinical data of 31 patients with spinal ependymoma who underwent operations between 1979 and 1996. The ages...
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