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Atlantoaxial Rotatory Fixation - 3 례 보 고 -
손문준,임승철,노성우,박형천,Sohn, Moon Jun,Rhim, Seung Chul,Roh, Sung Woo,Park, Hyung Chun 대한신경외과학회 2000 Journal of Korean neurosurgical society Vol.29 No.4
The atlantoaxial rotatory fixation is a uncommon disease of deformity, occuring much more frequently in children than in adults. Despite of its benign clinical course, delayed recognition or improper management may cause persistent deformity or recurrence. We report three cases of typical atlantoaxial rotatory fixation. Successful reduction was achieved with posterior atlantoaxial fusion in one case and nonoperative treatment in others. We emphasize that it is necessary to perform dynamic CT scan to obtain correct diagnosis and to plan proper treatment for this disease entity.
임상 : 두개저 수막종에 대한 노발리스 방사선수술의 임상 결과 분석
안상현 ( Sang Hyun Ahn ),손문준 ( Moon Jun Sohn ),윤상원 ( Sang Won Yoon ),한성록 ( Seong Rok Han ),최찬영 ( Chan Young Choi ),이동준 ( Dong Joon Lee ),이채혁 ( Chae Heuck Lee ),황충진 ( C Jin Whang ) 대한뇌종양학회 2008 대한뇌종양학회지 Vol.7 No.2
Objective:Stereotactic radiosurgery is becoming an important surgical treatment option in neurosurgical field. Optimal treatment protocol and proper clinical applications could minimize early and late toxicity associated with the radiosurgical treatment. This study is to analyze the clinical results of Novalis radiosurgery for skull base meningioma. Methods:Between Nov. 2001 and Jan. 2006, 43 patients underwent radiosurgery using Novalis shaped beam surgery unit. Male to female ratio was 13:30(1:2.3) with the mean age of 54.2 year-old(range 28-73 year-old). Total of 36 lesions were included to analyze dosimetric data and volume changes during the follow-up period. Median of follow up period was 26.8 months(range 2-60 months). The dosage prescriptions were determined on the basis of tumor volume, location, and proximity to optic nerve and brainstem. Results:13 lesions were treated in a single session but 23 lesions were irradiated in fractionation. The mean initial tumor volume of a single session and fractionated radiosurgery was 4.4±4.0 cm3 and 22.4±18.4 cm3, respectively, while follow- up tumor volume following radiosurgery was significantly decreased to 3.1±4.5 cm3 and 13.4±12.3 cm3, respectively( p<0.05). Overall local tumor control rate was 97.2%(35 lesions);however, there was no radiation related toxicity during the follow up periods. Conclusion:Novalis radiosurgery for skull base meningiomas offers an effective local tumor control in using either single session or fractionated irradiation. With advent of modern radiosurgical treatment and developed optimal clinical protocol, we could successfully treat this surgically difficult tumor to control including larger tumors and tumors adjacent to sellar & parasellar regions.
관상동맥우회술 수술환자의 수술 후 사망률 예측모형의 개발
박형근,권영대,신유철,이진석,김해준,손문준,안형식,Park, Hyeung-Keun,Kwon, Young-Dae,Shin, You-Cheol,Lee, Jin-Seok,Kim, Hae-Joon,Sohn, Moon-Jun,Ahn, Hyeong-Sik 대한예방의학회 2001 예방의학회지 Vol.34 No.1
Objectives : To develop a model that will predict the mortality of patients undergoing Coronary Artery Bypass Graft (CABG) and evaluate the perfermance of hospitals. Methods : Data from 564 CABGs peformed in six general hospitals were collected through medical record abstraction by registered nurses. Variables studied involved risk factors determined by severity measures. Risk modeling was performed through logistic repression and validated with cross-validation. The statistical performance of the developed model was evaluated using c-statistic, $R^2$, and Hosmer-Lemeshow statistic. Hospital performance was assessed by severity-adjusted mortalities. Results : The developed model included age, sex, BUN, EKG rhythm, Congestive Heart Failure at admission. acute mental change within 24 hours, and previous angina pectoris history. The c-statistic and $R^2$ were 0.791 and 0.001, respectively. Hosmer-Lemeshow statistic was 10.3(p value=0.2415). One hospital had a significantly higher mortality rate than the average mortality rate, while others were net significantly different. Conclusion : Comparing the quality of service by severity adjusted mortality rates, there were significant differences in hospital performance. The severity adjusted mortality rate of CABG surgery may He an indicator for evaluating hospital performance in Korea.
중추 신경계에서 발생한 비정형 기형/횡문근양 종양 -증례보고-
한성록 ( Seong Rok Han ),윤상원 ( Sang Won Yoon ),이기택 ( Gi Taek Yee ),손문준 ( Moon Jun Sohn ),주미 ( Mee Joo ),황충진 ( Choong Jin Whang ) 대한뇌종양학회 2004 대한뇌종양학회지 Vol.3 No.2
Atypical teratoid/Rhabdoid tumors(AT/RT) are aggressive neoplasm that afflict infants and young children and are the new entity among malignant pediatric brain tumors. These tumors show similar histological and radiological features to primitive neuroectodermal tumor-medulloblastoma(PNET-MB). So, these tumors have been misdiagnosed previously as PNET-MB. Separation of these two tumor types is crucial. Because the prognosis of a patient with an AT/RT is worse than that of a PNET-MB despite aggressive surgical treatment with or without adjuvant chemotherapy and radiation therapy. Recently, we experience a 5-month girl with a primary intracranial AT/RT in the posterior fossa. We report the case with a special emphasis on the differential diagnosis from PENT-MB.
한성록 ( Seong Rok Han ),이기택 ( Gi Taek Yee ),윤상원 ( Sang Won Yoon ),손문준 ( Moon Jun Sohn ),황충진 ( Choong Jin Whang ) 대한뇌종양학회 2004 대한뇌종양학회지 Vol.3 No.2
Hemangioblastomas are solid or cystic benign vascular tumors that may arise anywhere in the body. Solid hemangioblastomas can be difficult to treat surgically because of their hypervascularity and reqirement for circumferential dissection. Recently, We experienced a huge solitary solid hemangioblastoma in the cerebellopontine angle. The tumor was safely resected totally. We report the case with review of literatures.
한성록 ( Seong Rok Han ),윤상원 ( Sang Won Yoon ),이기택 ( Gi Taek Yee ),최찬영 ( Chan Young Choi ),손문준 ( Moon Jun Sohn ),이동준 ( Dong Joon Lee ),황충진 ( Choong Jin Whang ) 대한뇌종양학회 2007 대한뇌종양학회지 Vol.6 No.1
Objective:Atypical meningiomas(AMs) are difficult tumors to manage. The authors evaluate local control and survival after primary surgery for patients with AMs. Methods:Of the 108 meningioma patients surgically treated between 2000 and 2005, pathologically proven 10 AMs were reviewed. Mean follow-up periods were 35.9(range, 7-68) months. Results:Four(40%) had local recurrences during the follow-up, of which 1(14%) of 7 gross total removal and 3(100%) of 3 subtotal removal. The mean time to recurrence was 33.8 months. The overall 3-year local control rates were 70%. All patients were survived during follow-up period. Seven(70%) patients were treated Novalis radiosurgery. 3 patients had residual tumors and 4 patients had recurrent tumor. Conclusion:The aim of treatment for AMs is to resect totally as possible. Radiosurgery for remnant or recurrent AMs could be considered as adjuvant therapy, although further study is mandatory.
한성록(Seong Rok Han),윤상원(Sang Won Yoon),이기택(Gi Taek Yee),최찬영(Chan Young Choi),손문준(Moon Jun Sohn),이동준(Dong Joon Lee),황충진(Choong Jin Whang) 대한두개저학회 2006 대한두개저학회지 Vol.1 No.2
Pituitary adenomas are very common neoplasms, constituting between 10 and 20% of all primary brain tumors. Historically, the treatment armamentarium for pituitary adenomas has included medical management, microsurgery, and fractionated radiotherapy. More recently, radiosurgery has emerged as a viable treatment option. We present a case of giant pituitary adenoma, treated two staged microsurgery and Novalis radiosurgery, which managed postoperative remnant pituitary adenoma successfully.
유남훈 ( Nam Hoon Yoo ),한성록 ( Seong Rok Han ),윤상원 ( Sang Won Yoon ),이기택 ( Gi Taek Yee ),최찬영 ( Chan Young Choi ),손문준 ( Moon Jun Sohn ),황충진 ( Choong Jin Whang ) 대한뇌종양학회 2005 대한뇌종양학회지 Vol.4 No.2
Object£ºLateral ventricular tumors are rare lesion of the central nervous system. We conducted a retrospective study of patients with these lesion treated on surgically. Methods£ºTotal 9 cases of lateral ventricular tumors, who underwent operative removal between 2001 and 2004 at our hospital were reviewed. There were 3 cases located in the trigone, 3 in the frontal horn, and 3 in the ventricular body. Tumors were removed by various surgical approaches according to the location of tumors. Transcortical approach was used in 7 patients, and transcallosal approach was used in 2 patients. Results£ºTotal resection was performed in 6 patients. Surgical complications included epidural hematoma, subdural hygroma, intracranial hemorrhage, and seizure. Seven patients were achieved good recovery. Conclusion£ºTo improve surgical outcome and to avoid complications, proper knowledge of intraventricular anatomy and selection of an appropriate surgical approach are needed.
김성진 ( Sung Jin Kim ),한성록 ( Seong Rok Han ),윤상원 ( Sang Won Yoon ),이기택 ( Gi Taek Yee ),최찬영 ( Chan Young Choi ),손문준 ( Moon Jun Sohn ),이동준 ( Dong Joon Lee ),김한성 ( Han Seong Kim ),황충진 ( Choong Jin Whang ) 대한뇌종양학회·대한신경종양학회·대한소아뇌종양학회 2006 대한뇌종양학회지 Vol.5 No.2
Despite multimodal therapy, glioblastoma multiforme(GBM) is associated with a poor prognosis with a median survival of less than 1 year. GBM with long-term survival over 5 years is rare, and no definite markers of better prognosis have been identified till date. We present two patients who were diagnosed a frontal GBM and a cerebellar GBM respectively. Both patients were survived for more than 5 years, who had been treated with surgery, Novalis radiosurgery and chemotherapy. We also discussed prognostic factors who were long term survival with GBM.
불안정성을 동반한 흉요추부 척추질환의 TSRH기구를 이용한 수술치료
손문준,이호연,김정훈,나영신,권양,임승철,이정교,권병덕,황충진 대한신경외과학회 1996 Journal of Korean neurosurgical society Vol.25 No.8
The authors present surgical experience with 33 patients who had incurred unstable thoracic or lumbar spine pathology(22 degenerative lumbar spine disease, 6 trauma. 3 tumor, 2 vertebral tuberculosis) and who were intraoperatively stabilized with the Texas Scottish Rite Hospital(TSRH) universal instrumentation system over 20 months period. The 11 men and 22 women(mean age 45 years, range 23 to 71 years) presenting with signs or symptoms of neural compression underwent surgery consisting of neural decompression. internal fixation, and bone grafting. Spondylolistnesis were fused in situ without reduction. For thoracic and thoracolumbar junction pathology, multisegment fixations were performed. A 95% fusion rate was obtained with a mean follow-up period of 15 months. There were no cases of instrumentation failure. Major postoperative complications included 2 isolated nerve root deficits(one transient, one permanent) and 3 pulmonary embolism(one fatal). The construct design of the TSRH system offers some advantages compared to other forms of internal fixation : simple assembly, rigid stability, safety, and ability to remove easily. This system provides a highly successful method to obtain arthrodesis for unstable thoracic or lumbar spine.