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1.  Surgical Treatment of T1-2 Disc Herniation with T1 Radiculopathy: A Case Report with Review of the Literature 
Asian Spine Journal  2012;6(3):199-202.
The prevalence of intervertebral disc herniation (IDH) of the thoracic spine is rare compared to the cervical or lumbar spine. In particular, IDH of the upper thoracic spine is extremely rare. We report the case of T1-2 IDH and its treatment, with a literature review. A 37-year-old male patient visited our hospital due to radiating pain at the left upper extremity and weakness of grip power. In cervical spine magnetic resonance images, T1-2 disc space showed herniated disc material and compressed T1 root was identified. Laminoforaminotomy was performed with a posterior approach. The radiating pain and weakness of grip power improved immediately after the surgery. Of patients who show radiating pain or numbness at the medial aspect of forearm, or weakness of intrinsic muscle of hand, can be suspected to have T1 radiculopathy. A detailed physical examination and a radiologic evaluation including this area should be required for the T1 radiculopathy.
PMCID: PMC3429611  PMID: 22977700
Thoracic Vertebrae; Intervertebral Disc; Radiculopathy; Laminotomy
2.  Is It Real False Negative Finding in Motor Evoked Potential Monitoring during Corrective Surgery of Ankylosing Spondylitis? A Case Report 
Asian Spine Journal  2012;6(1):50-54.
We performed L1 posterior vertebral columnar resection and posterior correction for Andersson's lesion and thoracolumbar kyphosis in an ankylosing spondylitis patient during motor evoked potential (MEP) monitoring. We checked MEP intra-operatively, whenever a dangerous procedure for neural elements was performed, and no abnormal findings were seen during surgery. After the operation, we examined neurologic function in the recovery room; the patient showed a progressive neurologic deficit and no response to MEP. After emergency neural exploration and decompression surgery, the neurologic deficit was recovered. We questioned whether to acknowledge the results of this case as a false negative. We think the possible reason for this result may be delayed development of paralysis. So, we recommend that MEP monitoring should be performed not only after important operative steps but also after all steps, including skin suturing, for final confirmation.
PMCID: PMC3302915  PMID: 22439088
Spine operation; Deformity correction; Motor evoked potential; Delayed paraplegia
3.  Osteotomy of the Spine to Correct the Spinal Deformity 
Asian Spine Journal  2009;3(2):113-123.
There are a number of reports on Smith-Petersen osteotomy (SPO), pedicle subtraction osteotomy (PSO) and vertebral column resection (VCR). However, there are few systematic reviews of all three kinds of osteotomies. Literature review and author's experience of SPO, PSO and VCR osteotomy will be described. Various surgical techniques can be applied according to the disease entity and magnitude of the deformity. The most appropriate methods for deformity correction should be chosen and the potential complications should be considered. Before attempting an osteotomy of the spine for a spinal deformity, sufficient surgical experience and a thorough understanding of the anatomy of the spine and adjacent structures are needed. In addition, a well-organized team with the other departments is essential.
PMCID: PMC2852074  PMID: 20404957
Spinal osteotomy; Smith-Petersen osteotomy; Pedicle subtraction osteotomy; Vertebral column resection

Results 1-3 (3)