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Cystoperitoneal Shunting after Fenestration of an Enlarging Arachnoid Cyst
전익찬,김민수,김성호,장성호 영남대학교 의과대학 2008 Yeungnam University Journal of Medicine Vol.25 No.2
A two-month-old girl with a history of an incidental arachnoid cyst in the prenatal period (38 weeks) presented with persistent irritability. A follow-up computed tomographic (CT) scan revealed an enlarged arachnoid cyst with hydrocephalus. We performed craniotomy and fenestration, but the cyst size did not decrease, and hydrocephalus had worsened on a follow-up CT scan performed 13 months after fenestration. The patient was treated with cystoperitoneal shunting. Follow-up magnetic resonance imaging (MRI) performed 5 years later revealed that the arachnoid cyst had decreased in size and that the hydrocephalus had resolved. Enlarging arachnoid cysts are not common, and optimal surgical treatment is uncertain. Based on the features of this case, we believe cystoperitoneal shunting is an advisable surgical intervention for patients with enlarging arachnoid cysts presenting with hydrocephalus.
전익찬,김상우,정영진 대한통증학회 2014 The Korean Journal of Pain Vol.27 No.4
The causes of sciatica are variable and include musculoskeletal, dermatologic, infectious, neoplastic, and vascular disorders. In many cases, the symptom is usually caused by degenerative disease in the spine with the compression or irritation of spinal nerve. On the other hands, there are also several announced extra-spinal causes including aneurysm, diabetes, and radiation for sciatica in a low rate. Among the extra-spinal cases, aneurysms arising from iliac vessels are sometimes developing a diagnostic confusion with the spinal causes, and delayed diagnosis can lead to poor prognosis. It is very important to pay attention weather the aneurysmal cause is involved in the symptom of sciatica.
이재호,전익찬,김상우 대한척추신경외과학회 2017 Neurospine Vol.14 No.2
Capillary hemangiomas are common benign vascular tumors on skin and soft tissues, but developing as an intradural and extramedullary (IDEM) tumor in spine is extremely rare. In this report, we present IDEM tumor compressing thoracic cord in T2-3 level with extensive arachnoiditis below the tumor level in a 60-year-old man. The lesion was removed and histological diagnosis was capillary hemangioma. Prompt diagnosis and resection are important to avoid neurological deterioration from acute hemorrhagic condition. Simultaneous arachnoiditis may be originated from old subarachnoid hemorrhage associated tumor before diagnosis, and we suggest it as a helpful diagnostic feature to suspect vascular tumors such as capillary hemangioma.
여창기,전익찬,김상우 대한척추신경외과학회 2015 Neurospine Vol.12 No.3
Prompt and accurate diagnosis of cervical spine injury is important to prevent the catastrophic results that can be caused by undetected lesions. Delayed or missed diagnosis of cervical spine injury occurs with an incidence of 5 to 20% according to previous studies. In this study, we report four cases of cervical instability without initial radiologic evidence. These cases demonstrate that dynamic flexion and extension radiographies can be a proper choice of modality to diagnose and exclude the possibility of cervical instability in a patient with a suspicious ligament injury on the static radiographies following acute cervical trauma.
엄재성,전익찬,김상우 대한척추신경외과학회 2017 Neurospine Vol.14 No.1
When a revision surgery related with removal of failed interbody cage is required, going through the previous passage can lead to a higher risk of neurological deficits or incidental dural injuries. Recently, the lateral approach has become a popular method instead of the conventional anterior or posterior approaches. The lateral approach is also useful method to remove failed interbody cage previously placed and re-do interbody fusion with lower risks compared to revision surgery via previous passage. However, there is still some difficulty in retrieving the interbody cage from the intervertebral space because of no spacious passage, subsidence, and uncontrolled movable cage. In this study, we introduce our experience that we removed failed interbody cage more easily with only the simple additional steps of making a taphole and fixing the cage using a thread-tipped stick.
여창기,전익찬,김상우,고삼규,우병길,송광철 대한척추신경외과학회 2016 Neurospine Vol.13 No.3
Objective: Lumbar foraminal or extraforaminal disc herniations (FEFDH) have unusual clinical features and higher incidence in elderly patients compared to usual intraspinal canal disc herniations. We evaluated the efficacy of microdiscectomy via paramedian approach for lumbar FEFDH in elderly patients over the age of 65. Methods: Retrospective study was performed in 68 patients over the age of 65 (23 male and 45 female patients; 71.46±3.87 years) who underwent microdiscectomy via paramedian approach for unilateral lumbar FEFDH causing sciatica. The radiological factors including degree of slippage, presence of instability, disc height, and degree of disc degeneration; pain and functional status by the means of visual analogue scale score, Oswestry Disability Index score, and Macnab classification were analyzed preoperatively and during the postoperative follow-up period of 3 years to evaluate the efficacy of the surgical treatment. Results: Pain and functional status improved according to short- and long-term follow-up evaluations after surgery. Radiological changes following surgery, which can be understood as structural deteriorations and deformations, did not represent patient condition. Nine patients underwent additional surgery due to sustained or recurring leg pain of aggravation of back pain, and fusion surgery was required for 3 patients. Degree of preoperative slippage was the only statistically significant factor related to additional surgery (p<0.05). Conclusion: Microdiscectomy via paramedian approach for FEFDH may be a good surgical alternative in elderly patients. Radiological changes after surgery did not show a concordance with patients’ actual functional status. The excessive preoperative slippage tended to lead to unfavorable result after surgery and was associated with additional surgery.
박광태,유동우,김상우,전익찬 대한신경손상학회 2020 Korean Journal of Neurotrauma Vol.16 No.2
Fracture-dislocation of the lower lumbar spine, which is commonly caused by high-impacttrauma and can lead to instability in the spine, is relatively rare. Surgical treatment isindicated to restore spinal balance, weight-bearing ability, and decompression of theneural elements. There are various available surgical options, including the posterior-onlyor anterior-only approaches, or a combination of them. However, there is still no defniteclassifcation and treatment strategy for fracture-dislocation of the lower lumbar spine. Inthis report, we describe a 65-year-old man presenting cauda equina syndrome caused bya fracture-dislocation of L5 combined with multi-level traumatic spondylolisthesis of thelower lumbar spine. The patient was treated via the posterior-only approach with neuraldecompression and anterior reconstruction with posterior instrumentation. We discuss thereasons why the posterior-only approach was decided upon and several meaningful pointsduring the surgery in detail
Yoon Hee Choo,김상우,전익찬 대한신경손상학회 2018 Korean Journal of Neurotrauma Vol.14 No.2
A 43-year-old man was transferred to our hospital with recurring myelopathic symptoms after previous anterior and posterior surgical decompressions for mixed-type cervical ossifcation of the posterior longitudinal ligament (OPLL). Conventional magnetic resonance imaging (MRI) showed a preserved cervical curve and the achievement of successful decompression after the previous surgeries. The patient’s symptoms were aggravated when he was in the extended neck posture. Dynamic MRI performed with the patient in an extended neck position revealed cord compression by OPLL from C3 to C4with newly developed retrolisthesis of the C4-5 segment. We recommend the use of dynamic MRI to investigate motion-dependent cord compression caused by instability of the non-fused OPLL component
슈미트햄머 시험법에 의한 재령 180일이하 콘크리트의 압축강도식의 제안
권영웅(Kwon Young-Wung),전익찬(Jeon Ick-Chan),신정식(Shin Jeong-Sik) 한국구조물진단유지관리학회 2003 한국구조물진단학회 학술발표회논문집 Vol.- No.-
This paper concerns the new strength equation of existing concrete structures by Schumidt hammer test. Estimated compressive strength of concrete equation are as follows; fc = 728.1 - 54.6R + 1.23R² (here, r²= 89.5%)