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황색인대 골화에 의한 흉추부 척수증 및 신경근척수증 - 증례보고 -
이상대,이동열,정영균,박혁,조봉수,김수영,Lee, Sang Dae,Rhee, Dong Youl,Jeong, Young Gyun,Park, Hyuck,Cho, Bong Soo,Kim, Soo Young 대한신경외과학회 2000 Journal of Korean neurosurgical society Vol.29 No.10
Ossification of ligamentum flavum(OLF) is a type of ectopic bone formation developed within the spinal ligament. Thoracic myelopathy is common symptom of OLF but radiculopathy is uncommon. We present 3 operated cases of OLF. Two showed myelopathy and one radiculomyelopathy. Main symptoms were motor weakness, sensory disturbance, incoordination of both legs, and back pain. One patient complained of left girdle pain in T4 dermatome. Deep tendon reflex(DTR) was increased in all cases. The diagnosis was made from myelogram, CT and MRI. Sufficient posterior decompressive laminectomy and medial facetectomy were performed. Postoperative diagnosis was comfirmed by histopathological examination. One patient could return to work 3 months after operation and two patients showed satisfactory improvement 2-3 months after operation. Early diagnosis and appropriate surgical treatment were prerequisite of good outcome.
경추 추간판절제술후 전방 골유합시에 자가골분진을 충전시킨 동결건조된 동종비골이식의 유용성
이상대,이동열,김수영,정영균,조봉수,박혁,Lee, Sang Dae,Rhee, Dong Youl,Kim, Soo Young,Jeong, Young Gyun,Cho, Bong Soo,Park, Hyuck 대한신경외과학회 2000 Journal of Korean neurosurgical society Vol.29 No.8
Objective : This study was undertaken to evaluate the availability of allogenic fibular bone graft filled with autogenous bone dust in anterior cervical fusion after cervical discectomy. Methods : During a 4-year period(1995-1998), twenty four cases of anterior cervical fusion after discectomy were performed with fibular allograft filled with autogenous bone dust in degenerative cervical disease. We used freeze-dried fibular allograft and autogenous bone dust. Autogenous bone dust obtained from spondylotic spurs, osteophytes, and during foraminotomy. Cervical plating system was done at 8 patients. 5 patients were 1 level and 3 patients were 2 levels. All patients were routinely evaluated after surgery at 2 weeks, 1 month, 3 months, 5 months and 12 months. Mean follow-up period was 21months. Results : Eighty eight percent of the patients were found to have excellent or good clinical results. Radiographic follow-up revealed that 92% of the patients obtained complete or partial union by 5 months after surgery. One patient had graft extrusion immediately after surgery and had the graft reinserted. Two patients had longitudinal graft fractures. There were no graft related complications. Conclusion : Fibular allograft filled with autogenous bone dust for cervical interbody fusion after discectomy is an ideal graft material by showing obvious benefits of good fusion rate and elimination of donor site complications. And also we were able to obtain satisfactory clinical outcome.
다발성 "De Novo" 동맥류 1예 - 증 례 보 고 -
손성호,정영균,김수영,박화성,박혁,이동열,Son, Sung Ho,Jeong, Young Gyun,Kim, Soo Young,Park, Hwa Sung,Park, Hyuck,Rhee, Dong Youl 대한신경외과학회 2001 Journal of Korean neurosurgical society Vol.30 No.2
The development of completely new intracranial aneurysms after previous successfully treated aneurysm is uncommon. A 50-year-old female presented with a case of multiple de novo aneurysm which were an aneurysm of right ophthalmic segment of internal carotid artery and an aneurysm of right A1 artery, 6 years after the clipping of an aneurysm of right posterior communicating artery. She had no history of hypertension, cigarette smoking and use of oral contraceptives, and had no evidence of genetic disorder. The laboratory findings were normal. All de novo aneurysms were clipped by basal anterior interhemispheric approach in one stage due to the direction of the aneurysm of the ophthalmic segment of the internal carotid artery.
급성뇌경색증에 동반된 악성 뇌부종 환자에 있어서 뇌경막확장성형술을 통한 두개골 감압술의 효용성
손성호,김수영,정영균,조봉수,박혁,이동열,Son, Sung Ho,Kim, Soo Young,Jeong, Young Gyun,Cho, Bong Soo,Park, Hyuck,Rhee, Dong Youl 대한신경외과학회 2001 Journal of Korean neurosurgical society Vol.30 No.9
Objectives : There is continuing controversy about the benefits of decompressive craniectomy in massive cerebral edema following space occupying hemispheric cerebral infarction. The aims of this study are to determine the effectiveness and to confirm the life-saving nature of decompressive craniectomy with dural augmentation for massive cerebral infarction. Patients and Methods : We present twelve patients with medically uncontrollable hemispheric cerebral infarction. All were treated with extensive craniectomy and duroplasty without resection of necrotic tissue. We evaluated various characteristics(size of hemispheric infarction, Glasgow Coma Scale, volume of low density and midline shift in CT) at three different periods(preoperative, immediate postoperative and 3-4weeks after operation) and evaluated effectiveness of hemicraniectomy for massive cerebral edema after large hemispheric infarction. Results : All patients have survived from surgery. Nine patients with nondominant hemispheric infarction showed significant functional recovery with minimal assistance, and remaining two patients with dominant hemispheric infarction and one patient with nondominant hemispheric infarction have functionally dependent. The volume of low density and midline shift in CT were significantly reduced after decompressive craniectomy. Conclusions : Our results indicate that decompressive craniectomy with dural augmentation without resection of necrotic tissue for massive cerebral hemispheric infarction not only reduce the mortality and infarction size but also significantly improve the outcome, especially for nondominant hemispheric infarction.
적갈색방사선학적 악성이나 조직학적으로 양성을 보인 신경절교종 - 증례보고 -
허원 ( Weon Heo ),김환수 ( Hwan Soo Kim ),정세헌 ( Se Heun Joung ),이동열 ( Dong Youl Rhee ) 대한뇌종양학회·대한신경종양학회·대한소아뇌종양학회 2012 대한뇌종양학회지 Vol.11 No.2
Gangliogliomas are rare tumors of the central nervous system, composed of neoplastic ganglion cells and neoplastic glial cells. They are characterized by slow growing, low incidence of malignancy, surgically curable, and usually occurred in children and young adults. We report a case of ganglioglioma occurred in 21 year-old male which radiological findings were compatible with the malignancy but histologically diagnosed as benign, with review of literatures.
방사선학적 악성이나 조직학적으로 양성을 보인 신경절교종 -증 례 보 고-
김환수 ( Hwan Soo Kim ),정세헌 ( Se Heun Joung ),허원 ( Weon Heo ),이동열 ( Dong Youl Rhee ) 대한뇌종양학회 대한신경종양학회 2014 Brain Tumor Research and Treatment Vol.2 No.1
Gangliogliomas are rare tumors of the central nervous system, composed of neoplastic ganglion cells and neoplastic glial cells. They are characterized by slow growing, low incidence of malignancy, surgically curable, and usually occurred in children and young adults. We report a case of ganglioglioma occurred in 21 year-old male which radiological findings were compatible with the malignancy but histologically diagnosed as benign, with review of literatures.
가토 두개강내압에 대한 Prostaglandins의 효과
이동열 대한신경외과학회 1977 Journal of Korean neurosurgical society Vol.6 No.1
두개강내에 balloon을 넣어 두개강내압을 측정하고 동시에 고동맥(femoral artery)으로 동맥압을 측정하면서 prostaglandins을 포함한 다음 약물에 대한 반응을 고찰하여 다음과 같을 결론을 얻었다. 1) Norepinephrine과 5-HT의 경동맥주입으로 두개강내압은 다같이 상승하였으나 혈압에서 norepinephrine주입시는 비례적으로 상승하고 5-HT주입 시는 하강하였다. Norepinephrine정맥주입시에는 혈압과 두개강내압이 모두 상승하였다. 2) PGA₂와 PGE₂ 동맥 및 정맥주입은 두개강내압을 상승시키나 혈압은 하강시켰다. PGE₁ 동맥주입으로 두개강내압의 일률적 변화는 없으나 혈압은 하강했다. 3) PGF₂α의 동맥주입 및 정맥주입에서 모두 두개강내압은 하강하고 혈압은 약간 상승하였다. To understand the pathophysiology of the intracranial pressure changes, the Monro-Kellie-doctrine has been to be a useful concept. By recent reports it has possibly been suggested that prostaglandins may pathophysiologically contribute to the inherent response of intractranial pressure. Although the cardiovascular effects of several prostaglandins have well been studied, little is known about their effects on cerebral blood vessel and cerebrospinal fluid pressure. The author observed the effect of prostaglandins injected intra-arterially and intravenously on the intracranial pressure and systemic blood pressure and compared with those of norepinephrine or 5-hydroxytryptamine. The result were summarized as the follows: 1. The intra-arterial and intravenous injections of a single dose of norepinephrine increased not only the intracrainal pressure but also systemic blood pressure with dose-dependant response. 2. The intra-arterial injection of PGA₂ caused the increase in the intracranial pressure, but on the contrary, the blood pressure was decreased. The intra-arterial injection of PGE₁ and PGE₂ caused the increase in the intracranial pressure, which was not related to the used doage. 3. The intra-arterial and intravenous injections of PGF₂α decreased the intracranial pressure but increased the blood pressure, both of which were not related to the dosage used.
이동열,윤성문,이영우 대한신경외과학회 1987 Journal of Korean neurosurgical society Vol.16 No.3
Eight patients with cerebellopontine angle tumors larger than 3cm in diameter were operated on through retromastoid suboccipital approach with microsurgical technique. Patients were place in lateral decubitus position with the head fixed by a three point Mayfield head - pin and the face was turned about forty degree down as the imaginary petrous ridge directed to the floor, vertically. There are six acoustic neuromas, one meningioma and one hemangioblastoma presented in this report. The total tumor removal was done in all cases but one and the facial nerve was preserved anatomically in six of eight patients and in on of the other two the nerve was anastomosed in the same operative field following tumor excision. Functionally, two cases of facial paresis and one facial paralysis were resulted. Above results shows that this approach is just suitable for total removal of the large cerebellopontine angle tumors with preservation of the facial nerve by neurosurgeon under best obtained neuroanatomical knowledge.