Journal of Yeungnam Medical Science

Oh Lyong Kim

14 Articles

Burr hole drainage using urokinase for treatment of subacute subdural hematoma.: Min Su Kim, Seong Ho Kim, Oh Lyong Kim; Yeungnam Univ J Med. 2015;32(1):8-12. Published online June 30, 2015; DOI: https://doi.org/10.12701/yujm.2015.32.1.8

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Abstract PDF: BACKGROUND
Enlargement of subdural hematomas is relatively rapid in subacute stage of hematoma with clinical deterioration, which eventually necessitates surgery. The purpose of this study is to investigate the feasibility and safety of burr hole drainage using urokinase for management of patients with subacute subdural hematoma (SASDH). METHODS: Nine patients with SASDH were treated by burr hole drainage using urokinase. Under local anesthesia a catheter was inserted into the hematoma through a burr hole. Burr hole drainage was followed by hematoma thrombolysis with instillation of urokinase (10,000 units) every 12 hours. Drainage was discontinued when a significant decrease of hematoma was observed on cranial computed tomography. RESULTS: The patients' median age was 70 years (range, 62-87). The median Glasgow Coma Scale score before surgery was 15 (range, 11-15). Drainage was successfully performed in all patients. All patients had Glasgow Outcome Scale scores of 5 at discharge. There was no surgery-related morbidity or mortality. CONCLUSION: A burr hole drainage using urokinase could be a safe, feasible and effective minimally invasive method with low morbidity in treatment of selected patients with SASDHs.

Atypical Cerebellar Medulloblastoma Originating from Tentorium: Case Report.: Seong Ho Kim, Chang Hwan Kim, Oh Lyong Kim, Chul Hoon Chang, Sang Woo Kim, Byung Yon Choi, Soo Ho Cho, Jeong Ok Hah; Yeungnam Univ J Med. 2007;24(2):311-314. Published online December 31, 2007; DOI: https://doi.org/10.12701/yujm.2007.24.2.311

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The extraaxial presentation of a medulloblastoma is rare. This article describes the case of a 12-year-old boy who presented with severe headache, nausea, and vomiting. The tumor developed in the left tentorium; it was misdiagnosed as a meningioma based on the radiology examination. We review the literature and discuss the atypical presentation of medulloblastoma.

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New Developments in the Pathogenesis, Therapeutic Targeting, and Treatment of Pediatric Medulloblastoma
Francia Y. Fang, Jared S. Rosenblum, Winson S. Ho, John D. Heiss
Cancers.2022; 14(9): 2285. CrossRef

Laserthermia Induced Histological Changes in Different Thermal Condition.: Sang Woo Kim, Kyung Yup Lee, Seong Ho Kim, Jang Ho Bae, Oh Lyong Kim, Byung Yearn Choi, Soo Ho Cho; Yeungnam Univ J Med. 1995;12(2):331-338. Published online December 31, 1995; DOI: https://doi.org/10.12701/yujm.1995.12.2.331

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Abstract PDF: Laserthermia is a new method of local hyperthermia using fiber optic guided probe with computer controlled Nd-YAG laser system. We used a synthetic sapphire probe and allowed irradiation with contolled low power laser energy (less than 5W), in different thermal condition (temprature:38.5-50 degrees C) for 10 minutes, in the normal brain tissue of 18 rabbits. In results, the histological changes of brain tissue was variable (myelin condensation, chromatin condensation, nuclear waving and palisading, RBC discoloration, cell necrosis) in microscopic findings after laser irradiation, but changing area was not occured proportionally in thermal condition level. Cell necrosis appears to over 44.5 degrees C and the distance was about 1.25 mm. This study, using computer controlled laserthermia system for interstitial local hyperthermia, may offer many advantages in the experimental treatment and clinical management of tumor. Minimizing normal tissue damage is now being developed.

Subependymal Giant Cell Astrocytoma in the tuberous Sclerosis.: Jin Han Park, Seong Ho Kim, Dong Ro Han, Jang Ho Bae, Sam Kyu Ko, Oh Lyong Kim, Byung Yon Choi, Soo Ho Cho; Yeungnam Univ J Med. 1994;11(2):221-229. Published online December 31, 1994; DOI: https://doi.org/10.12701/yujm.1994.11.2.221

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Abstract PDF: Tuberous sclerosis is reported rarely and is associated with systemic lesions including central nervous system, skin, heart, eye and kidney. Approximately 5-15% of individuals with tuberous sclerosis will develop brain neoplasia, almost invariably subependymal giant-cell astrocytoma (SGCA). We experienced a case of SGCA with tuberous sclerosis operated by the transcallosal approach and report with literature review.

The Effects of Microwave Irradiated on Rabbit's ICP.: Jin Han Park, Seong Ho Kim, Dong Ro Han, Jang Ho Bae, Oh Lyong Kim, Byung Yon Choi, Soo Ho Cho, Joon Ha Lee; Yeungnam Univ J Med. 1994;11(2):213-220. Published online December 31, 1994; DOI: https://doi.org/10.12701/yujm.1994.11.2.213

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Abstract PDF: Damages on central nervous system induced by the exposure of microwave. However, the effects of microwave on ICP are not studied yet. The ICP affected by the condition of the condition of the brain has an significant effect on vital sign. So we investigated the changes of ICP of the rabbits after exposure. Twenty four rabbits were divided into 3 groups depending on the amount of exposure to microwave. One group was composed with 8 rabbits were exposed to microwave for 10 miniutes. Other were composed to microwave for 20 miniutes, 30 miniures, respectively. Intracranial pressure on each group were measured by subdural type ICP monitoring catheter immediately, first day, 3rd day, 5th day and 7th day after exposure of microwave. Results indicates that intracranial pressure of rabbits are not affected with statistical significance by exposure of microwave.

Effects of the Selective Management for Increased Intracranial Pressure with Obstruction of Internal Carotid Artery in Rabbits.: Bum Dae Kim, Kyoung Yeob Lee, Seong Ho Kim, Dong Ro Han, Jang Ho Bae, Oh Lyong Kim, Byung Yon Choi, Soo Ho Cho, Hyoun Jin Shin; Yeungnam Univ J Med. 1994;11(1):167-180. Published online June 30, 1994; DOI: https://doi.org/10.12701/yujm.1994.11.1.167

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Abstract PDF: In order to inquire the most-effective management of increased intracranial pressure(ICP), mannitol, steroid and hyperventilation were used in rabbits after ligation or non-ligation of the carotid artery. Mannitol was more effective than steroid and hyperventilation in the degree of the reduction of ICP. The intracranial pressure was decreased 43~45% for 25~30 minutes after injection of mannitol. Steroid was less effective than mannitol in the degree of the reduction of ICP. But the time of reduction of ICP was longer, that is, the degree of reduction was 24~60 minutes after injection of steroid. Hyperventilation is effective in the initial time only, for 10 minutes after hyperventilation. The degree of ICP reduction was 13.5~16.7 % for 10 minutes after hyperventilation. The combined group, that is three kinds of mangenent were used, is the most effective treatment to reduce ICP of ICP. The degree of the reduction of ICP was 42.1~49.3% for 20 minutes, 47.7~52.5% for 30minnutes. There was no significant difference between and non-ligation group.

Lumbar synovial cyst associated with retrolis thesis: a case report.: Sang Joon Choi, Sam Kyu Ko, Oh Lyong Kim, Yong Chul Chi, Byung Yearn Choi, Soo Ho Cho; Yeungnam Univ J Med. 1991;8(2):222-226. Published online December 31, 1991; DOI: https://doi.org/10.12701/yujm.1991.8.2.222

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Abstract PDF: In advent of high-resolutional CT and MRI, it is not so difficult to detect the lumbar synovial cyst, however the unusual disease should be included in the differential diagnosis of cauda equine compression syndromes. The case of a 55-year-old man who had a low back pain and severe radiating pain on both legs showed a retrolisthesis at L3-4 and L4-5 and epidural enhancing mass just around L4-5 facet joint on MRI. Microscopically a lining of synovial tissue was demonstrated. After surgery of the total resection of synovial cyst and stabilization, the patient's presenting symptoms were improved.

Correlation of changes of intracranial pressure and clinical manifestations in spontaneous intracerebral hemorrhage.: Eul Soo Chung, Sam Kyu Ko, Oh Lyong Kim, Yung Chul Chi, Byung Yearn Choi, Soo Ho Cho; Yeungnam Univ J Med. 1991;8(2):35-44. Published online December 31, 1991; DOI: https://doi.org/10.12701/yujm.1991.8.2.35

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Abstract PDF: Recently, many authors have reported about the relationship of the volumes of hemorrhage in the brain parenchyma, hemorrhagic sites, optimal operation time, and the effects of mannitol and steroid on control of ICP to clinical manifestations. Many attempts to measure ICP in hydrocephalus, brain tumor, and head injury have been reported. But the measurements of intracranial pressure in spontaneous intracerebral hemorrhage are rare. Intracranial pressure was monitored prospectively in 30 patients who had stereotaxic surgery for spontaneous intracerebral hemorrhage. The results are as follows. 1. Intracranial pressure was increased in high PaCO₂. 2. There were no correlation in ICP, rebleeding and ADL ad discharge (P>0.05). 3. ICP was the most high level in 72 hours after operation. 4. There was 63.2% decrease in ICP after irrigation with 6000 IU urokinase in the site of hemorrhage. 5. There was no correlation between the numbers of natural drainage and ADL at discharge (P>0.05). 6. The higher the initial GCS, the higher the postoperative GCS.

Nonsurgical Management of Parasagittal Epidural Hematoma Report of 4 Cases.: Dong Soo Nam, Seong Ho Kim, Bum Dae Kim, Jang Ho Bae, Eun Sig Doh, Oh Lyong Kim, Yong Chul Chi, Byung Yearn Choi, Soo Ho Cho, Jow Hyuk Ihm; Yeungnam Univ J Med. 1990;7(2):173-179. Published online December 31, 1990; DOI: https://doi.org/10.12701/yujm.1990.7.2.173

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Abstract PDF: Nonsurgical management of four cases of the parasagittal epidural hematoma were experienced. Patients were mildly symptomatic or minimal neurological disturbances on admission. Patients were treated conservatively because of stable neurologic sign. All patients had who diastatic fracture and / or suture have become a complete neurological recovery with satisfactory absorption of EDH over a period of 5 to 12 weeks.

Astrocytoma in the Bilateral Thalamus: A Case Report.: Eul Soo Chung, Jang Ho Bae, Dong Ro Han, Eun Sik Doh, Oh Lyong Kim, Yong Chul Chi, Byung Yearn Choi, Soo Ho Cho; Yeungnam Univ J Med. 1990;7(2):167-172. Published online December 31, 1990; DOI: https://doi.org/10.12701/yujm.1990.7.2.167

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Abstract PDF: Astrocytoma in the thalamus in not so frequent in incidence (1%). Moreover, bilateral thalamic tumor is rare. Certain tumors of the thalamus are considered resectable but most of thalamic tumors are thought to be untouchable. Bilateral thalamic astrocytoma with hydrocephalus was diagnosed by stereotactic biopsy and ventriculoperitoneal shunt operation was done with result of improvement. We report a case of astrocytoma in the bilateral thalamus with literature review.

Expansive Laminoplasty for Cervical Compression Myelopathy.: Dong Ro Han, Eun Sig Doh, Oh Lyong Kim, Yong Chul Chi, Byung Yearn Choi, Soo Ho Cho; Yeungnam Univ J Med. 1989;6(2):141-146. Published online December 31, 1989; DOI: https://doi.org/10.12701/yujm.1989.6.2.141

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Abstract PDF: In an attempt to eliminate some negative aspects of conventional extensive laminectomy, 4 cases of multiple level of cervical compression myelopathy, 1 OPLL (ossification of posterior longitudinal ligament) and 3 cervical stenosis, were treated with a technique of expansive laminoplasty. Operative results in all patients were satisfactory without surgical complications and all patients had a neurological improvement. We suggest that our technique is more effective one for cervical canal stenosis, OPLL, and spondylosis than conventional extensive laminectomy.

A Case of Multiple Mendingiomas.: Jang Ho Bae, Seung Chan Beak, Jowa Hyuk Ihm, Oh Lyong Kim, Yong Chul Chi, Byung Yearn Choi, Soo Ho Cho; Yeungnam Univ J Med. 1988;5(2):195-200. Published online December 31, 1988; DOI: https://doi.org/10.12701/yujm.1988.5.2.195

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Abstract PDF: The incidence of multiple meningiomas found prior to the introduction of CT was 1~2%, the incidence since the introduction of CT was 8.9%. The authors report a case of multiple meningiomas without evidence of von Recklinghausen's disease. The possible presence of more than 1 tumor in a patient with an intracranial meningiomas must always be kept in mind. The pathogenetic factors related to true multiple meningiomas in unknown. We report a patient with multiple meningiomas which was confirmed by operation.

A Case of Cryptococcal Ventriculitis.: Bum Dae Kim, Seung Chang Baek, Jowa Hyuk Ihm, Oh Lyong Kim, Yong Chul Chi, Byung Yearn Choi, Soo Ho Cho; Yeungnam Univ J Med. 1988;5(2):175-181. Published online December 31, 1988; DOI: https://doi.org/10.12701/yujm.1988.5.2.175

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Abstract PDF: Cryptococcosis of central nervous system in uncommon, but fatal if untreated. We experienced a case of cryptococcal ventriculitis with hydrocephalus. The symptom was an increased intracranial pressure without meningeal irritation sign. It was confirmed by pathology and cytology taken from fibrous material, which caused an obstruction of shunt catheter in the lateral ventricle. We report a case of cryptococcal ventriculitis in 6 years old male child.

A Case of Cerebral Sparganosis Operated by BRW Stereotaxic System.: Seong Ho Kim, Seung Chan Baek, Jowa Hyuk Ihm, Oh Lyong Kim, Yong Chul Chi, Byung Yearn Choi, Soo Ho Cho; Yeungnam Univ J Med. 1988;5(1):141-145. Published online June 30, 1988; DOI: https://doi.org/10.12701/yujm.1988.5.1.141

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Abstract PDF: A patient of cerebral sparganosis is reported: The patient, a 47-year-old female complained of frequent seizures and headache. The disease was involved on right frontal lobe, and the lesion was successfully removed by BRW stereotaxic system. The characteristic features of sparganosis are reviewed.

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