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조경기 ( Kyung Gi Cho ) 대한뇌종양학회 2002 대한뇌종양학회지 Vol.1 No.2
With development of microsurgical technique, direct surgical resection of pineal region tumors has become sager, more effective. Tissue diagnosis allows for the initiation of appropriate therapies and resection can be curative or improve the survival. Even though several surgical approaches have been reported, author believes that the Infratentorial Supracerebellar approach provide excellent exposure while allowing minimally invasive, relative low risk access to the pineal region tumors on the base of the experience with 14 patients over a 16-year period. Indications, positioning, techniques, advantages and disadvantages are discussed.
박현선,조경기,정상섭,Park, Hyeon-Seon,Cho, Kyung-Gi,Chung, Sang-Sup 대한미세수술학회 1993 Archives of reconstructive microsurgery Vol.2 No.1
Although various methods had been reported for reanimination of facial nerve palsy, interposition nerve graft remains superior to other methods if there is a wide gap to be bridged. Dott described a excllent facial nerve reconstruction by sural nerve graft bypassing petrous bone. But his method needs two surgical fields and is performed in two stages. Authors desribe a traumatic facial nerve palsy treated by one stage facial nerve reconstruction that is performed in one surgical field by using a great auricular nerve interposition graft and bypass the petous bone.
두개강내 내배엽성 동종양(Endodermal Sinus Tumor)
임용철,조경기,이성운,박한준,신용삼,윤수한,조기홍,Lim, Yong Chull,Cho, Kyung Gi,Lee, Seong Un,Park, Han Jun,Shin, Yong Sam,Yun, Soo Han,Cho, Ki Hong 대한신경외과학회 2001 Journal of Korean neurosurgical society Vol.30 No.12
Objective : Endodermal sinus tumor or yolk sac tumor is an uncommon malignant germ-cell neoplasm. This tumor was originally described as a germ cell tumor of the ovary or the testis. Intracranial endodermal sinus tumor is extremely rare and usually develop in the pineal or suprasellar regions. The authors evaluated the effect of adjuvant therapy(chemotherapy combined with radiotherapy) and radical removal of intracranial endodermal sinus tumors. Material and Methods : Between 1996 and 2001, four patients of intracranial endodermal sinus tumor were diagnosed with tumor marker(AFP) and biopsy. Three patients were treated with surgical removal and chemotherapy with cisplatin($20mg/m^2$), etoposide($100mg/m^2$) and bleomycin($15mg/m^2$) as well as external beam radiation therapy. We compared the management problems for these tumors. Result : In all three patients the tumor size and the level of tumor marker decresed during initial adjuvant therapy. However, Tumors showed regrowth with elevated AFP of serum and CSF possibly related to delayed chemotherapeutic treatment or inadequate administration of chemotherapeutic drugs due to severe bone marrow suppression. An additional chemotherapy and external radiation therapy were given, but tumors could not be controlled with leptomeningeal seeding. Conclusion : Radiotherapy is considered to be less effective. The combination chemotherapy with PVB(cisplatin, vinblastine, bleomycine) or PE(cisplatin, etoposide) is considered to be value in prolongation of the survival rate. But the role of chemotherapy in this tumor has not yet been clarified due to bone marrow suppression and drug resistance. Further study with large series of this tumor is necessary to establish the optimal management.
일측성 망막아세포종과 동반된 이소성 정중선 원시신경외배엽종 - 증례보고 -
김형석,조경기,조기홍,윤수한,안영민,안영환,심철,Kim, Hyung Seok,Cho, Kyung Gi,Cho, Ki Hong,Yoon, Soo Han,Ahn, Young Min,Ahn, Young Hwan,Shim, Chul 대한신경외과학회 2001 Journal of Korean neurosurgical society Vol.30 No.5
Trilateral retinoblastoma is a syndrome involving midline intracranial malignancies in children with the heritable form of retinoblastoma. It is rare and usually lethal in spite of aggressive treatments. We report a case of trilateral retinoblastoma with review of the literature to gain further insight into this uncommon disease.
의학적 충고에 반한 퇴원의 특성과 퇴원결정 요인에 관한 연구 - 사회사업가의 개입사례와 역할을 중심으로 -
강흥구,이상진,조경기,Kang, Heung Gu,Lee, Sang Jin,Cho, Kyung Gi 대한신경외과학회 2000 Journal of Korean neurosurgical society Vol.29 No.12
Objectives : DAMA cases were analyzed to examine what the main casual factors of DAMA were and how to deal with these cases effectively in hospital with the DAMA interdisciplinary team including medical social worker whose role is to perform psycho-social assessment, family counsel, to evaluate family's DAMA need. Patients and Methods : The content analysis of medical record and social work record were reviewed in 37 cases referred by medical doctor to DAMA team. These cases were reported by patients' self discharge request or family's request for discharge from September 1998 to February 2000. The DAMA team consists of Assistant Director of Hospital as team leader, medical staff in-charge, social worker, QI nurse, other staff members who are not involved in direct treatment for patient, and administrative clerk. Results : The results of content analysis are as follows : 1) The most causal factors of DAMA consist of combination of more than 2 factors. 2) The major decision-maker is revealed to be son and daughter of patient. 3) In 59.4% of cases, family was not informed of patients' prognosis, alternatives, the consequence of DAMA at all. 4) In cases of DAMA report, the rapid intervention of social worker is carried out. Conclusion : In this study, we propose the interdisciplinary team approach to make decision legitimately and ethically for DAMA. The suggestions from this study are as follows : 1) To deal with DAMA case properly, the interdisciplinary team approach should be considered. 2) The criteria for DAMA case should be formed carefully. For the explicit selection of DAMA case, preliminary system for high-risk patient screening is recommended. 3) The medical social worker is available for the psycho-social problems of the patient once family members. For the effective family counselling, discharge planning and nursing home placement, the participation of medical social worker should be mandatory.
심숙영 ( Sook Young Sim ),조경기 ( Kyung Gi Cho ),임연희 ( Yeon Hee Lim ),김세혁 ( Se Hyuk Kim ),신용삼 ( Yong Sam Shin ),안영환 ( Young Hwan Ahn ),윤수한 ( Soo Han Yoon ),조기홍 ( Ki Hong Cho ) 대한뇌종양학회 2004 대한뇌종양학회지 Vol.3 No.2
Objective:We analyzed the headache characteristics in patients with a brain tumor and its correlation with the grade of the tumor. Methods:Brain tumor patients with and without headaches were recruited. Sex, age, combined symptoms, neurological findings, and radiological characteristics were reviewed in both groups. Results:Sixty-nine patients(46 with and 23 without headache) comprised our study population. Intracranial pressure (ICP) symptoms were more prevalent in the headache group compared to the non-headache group(p=0.012). However, no other clinical differences were noted between the two groups. The prevalence of headache was increased in patients with metastatic brain tumor than primary brain tumor but there was no statistical significance. The characteristics of the headache were non-specific and could not be differentiated between malignant and benign brain tumors. Conclusion:Headache in brain tumor patients present in a non-specific characteristic. In patients with symptoms suggestive of an increased ICP or malignancy from another organ, further imaging may be warranted.
김지헌 ( Ji Heon Kim ),조경기 ( Kyung Gi Cho ),문봉기 ( Bong Ki Moon ),김혁준 ( Hyeok Joon Kim ),정영선 ( Young Sun Chung ),신용삼 ( Yong Sam Shin ),안영환 ( Young Hwan Ahn ),윤수한 ( Soo Han Yoon ),조기홍 ( Ki Hong Cho ) 대한뇌종양학회 2002 대한뇌종양학회지 Vol.1 No.2
Awake craniotomy is a kind of operation which can be used in the case of the mass adjacent eloquent area. In this report, we explain the usefulness of awake craniotomy in the case of declining lung functions as well as the eloquent area. Methods:Awake craniotomy has been performed on fifteen from July 1999 to May 2002. Perioperative neurological state and their changes were evaluated in all patients. Results:The 15 patients who had undergone the surgery were satisfied with the results of their operations. The mean ages were 50.2. Male to female ration was 8:7. Tumors were located in eloquent area such as motor cortex in 8 patients, speech area in 4 and thalamus in 1. Mean period of post ICU staying was 32.53 hours, mortality rate was 0% and two patients developed new neurological deficit. Also, three patients who were inadequate to general anesthesia because of old age and declined lung function have excellent results. We can reduce neurological deficit and make ICU care time shorterper with awake craniotomy. Conclusion:Awake craniotomy is useful operation in the cases of the mass located in the eloquent area and inadequacy to general anesthesia.
수두증을 동반한 거대두개증 환아에서 격자술을 이용한 One Stage Reduction Cranioplasty - 증례보고 -
원근수,윤수한,신용삼,조기홍,조경기,Weon, Keun Soo,Yoon, Soo Han,Shin, Yong Sam,Cho, Ki Hong,Cho, Kyung Gi 대한신경외과학회 2001 Journal of Korean neurosurgical society Vol.30 No.1
Reduction cranioplasty is one of the treatment modality among many treatment options for macrocephaly with hydrocephalus. The most previous techniques of reduction cranioplasty have some disadvantages such as difficult airway maintenance, pressure sore due to modified prone position, severe venous infarct due to obstruction of venous blood flow and large amount of bleeding from the dissection of superior sagittal sinus to obtain bone fragment needed. A 28-month-old girl had extreme macrocephaly. She couldn't control head rotation and keep sitting position. The operation was performed at supine position with adequate exposure of entire calvarium and the hinge was made in occipital bone fragment that covered posterior part of superior sagittal sinus. Bleeding volume and the other complications were decreased and acceptable reduction was achieved with this method.
기초 : 자살유전자를 이입한 사람 신경줄기세포를 이용한 악성 신경교종의 유전자 치료
안영민 ( Young Min Ahn ),조경기 ( Kyung Gi Cho ),이창미 ( Chang Mi Lee ),방종희 ( Joung Hee Bang ),류명이 ( Myung Yi Ryu ),김세중 ( Se Joong Kim ),서혜영 ( Hae Young Suh ),김승업 ( Seung Eop Kim ) 대한뇌종양학회 2006 대한뇌종양학회지 Vol.5 No.2
Introduction : Despite the advanced neurosurgical techniques and various multimodal therapeutic approach have been developed for malignant gliomas, these can not save the patients from the tumors due to infiltrating behavior of glioma cells. Here the authors investigated the possibility of treatment for the malignant gliomas with neural stem cell(HB1.F3) transduced with suicidal gene using the tropism of stem cells. Materials and Methods : E.coli cytosine deaminase(CD) is an enzyme that catalyzes the conversion of noncytotoxic 5- FC to the cytotoxic and radiosensitizing drug 5-FU. Cytotoxic 5-FU and its toxic metabolites can readily diffuse into surrounding tumor cells giving CD. HB1.F3 were transduced with retroviral vectors expressing the E.coli CD. Rats were implanted with U373MG, U251MG human glioblastoma(hGM) cell line and F3/CD were injected directly into the tumor mass 6 days later. The rats with tumors were injected IP 5-FC or saline daily for 7 days since 6 days after implantation of tumors. Results : HB1.F3 which were injected into the contralateral hemisphere to the tumor implantation site migrated through the corpus callosum to the tumor cells 3 days after hGM transplantation . The growth inhibition of 5-FU treated cells in comparison to untreated controls was remarkable in vitro. The tumor mass in the rats with transplantation of F3/CD were reduced markedly in size comparing to that with F3 after injection of 5-FC . Conclusions : The human neural stem cells can trace to the glioma cells in the rat brain. 5-FC systemic treatment with direct transplantation of F3/CD reduces tumor size. Our data indicates that suicide gene therapy using neural stem cells would be promising as a new therapeutic approach for malignant glioma.
Threaded Fusion Cage(TFC)를 이용한 최소 침습적 요추체 후방융합술
김혁준,조기홍,신용삼,윤수한,조경기,Kim, Hyeok Joon,Cho, Ki Hong,Shin, Yong Sam,Yoon, Soo Han,Cho, Kyung Gi 대한신경외과학회 2001 Journal of Korean neurosurgical society Vol.30 No.2
Objective : In general, to perform posterior lumbar interbody fusion(PLIF), it has been used more invasive procedure than simple discectomy. However we try to perform PLIF with TFC with smaller invasion almost same as in simple discectomy. This study is about its procedure and clinical results. Materials and Methods : The authors retrospectively analyzed 43 cases of minimally invasive PLIF with TFC from July 1998 to May 2000. Operative procedure, operative complication, change of disc height, blood loss, ambulation time, hospitalization period, clinical success rate, and bony fusion rate were analyzed. Results : 40 patients were capable to walk on the 2nd day of the post-operation. The average hospitalization period is 5.6 days. The average blood loss was 0.19L/level with no transfusion or wound drainage. The height of disc changed from 8.84mm to 13.54mm. Clinical success rate is 95% when evaluated by the Prolo's scale. The complication was delayed wound infection(2) and transient paresthesis(1). The bony fusion was shown in 17 patients (94.4%) out of 18 patients who passed one year. Conclusion : As a result of minimally invasive PLIF, pain was decreased and early ambulation and short hospitalization was possible. Complication was similar or lower than other studies, and the bony fusion rate and clinical success rate were also similar during follow-up.