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Surgical Treatment of Hemangioblastoma in the Pituitary Stalk: An Extremely Rare Case
조경기,임재준,노성현 연세대학교의과대학 2016 Yonsei medical journal Vol.57 No.2
Hemangioblastoma (HBL) in the pituitary stalk is extremely rare. Only 16 such cases have been reported in the past and 5 cases have been treated with surgical procedure. Here, we report surgical case of HBL in the pituitary stalk diagnosed in a 34-year-old woman. The patient underwent a gross-total resection via the modified lateral supra-orbital approach. No recurrence was observedin two years after surgery. To our knowledge, this is the 17th case of HBL in the pituitary stalk and the 6th surgical case. If the tumor is symptomatic and the volume is over 5 cubic centimeters as in our case, we recommend that the surgical resection of the HBL in the pituitary stalk is a more safe and reasonable than radiotherapy.
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조경기,이규창,정상섭,이헌재 대한신경외과학회 1979 Journal of Korean neurosurgical society Vol.8 No.1
The authors experienced a case of delayed traumatic intracerebral hemorrhage following a closed head injury. The patient had epidural hematoma at the right temporal area which was confirmed by the computed tomography. The hematoma was successfully evacuated and immediate postoperative course was uneventful. On the second day after operation the patient's condition deteriorated again and repeated computed tomography showed a large delayed intracerebral hematoma in the left occipital lobe. He was immediately treated surgically for the intracerebral hematoma with good result.
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뇌종양의 세포역학과 임상적 의미 : Review Article
조경기 대한신경외과학회 1992 Journal of Korean neurosurgical society Vol.21 No.10
Brain tumors are unique from cell kinetic point of view. Most patients with brain tumors die from increased intracranial pressure when size reaches 100g within a limited space, cranium, whether their histolgy is begin or malignant. Because the prognosis for the patients with brain tumors depends largely on the size and rate of tumor growth, the cell kinetics study of individual brain tumors are very important to know the proliferative potential of these tumors. Four basic parameters define the growth characteristics of any tumors : 1) cell cycle time(Tc) 2) S phase fraction(S fraction) 3) growth fraction(GF) 4) potential tumor doubling time(Tp) 5) cell loss factor(CLF). These parameters were obtained from bromodeoxyuridine(BUdR), iododeoxyuridine(IUdR), or Ki 67 labeling or flow cytometer anaysis. This report reviewed that : 1) S fraction or GFs from BUdR or Ki 67 labeling are generally higher in malignant tumors than benign tumors 2) histologically similar tumors may have different proliferative potential and 3) a higher S fraction or GF indicates higher proliferative potential and demonstrates shorter interval of recurrence and survival. Thus the cell kintic studies of tumors appear to reflect the proliferative potential of individual tumors more accurately than the histopathological diagnosis and should therefore be considered important factors in determinning the prognosis of individual patients with intracranial brain tumors and in selecting their treatment.
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경추 전방 추체간 골융합술시 철선을 이용한 이식 골편 고정술 : Technical Note
조경기,장진우,정상섭 대한신경외과학회 1992 Journal of Korean neurosurgical society Vol.21 No.3
One of the major complications in cervical anterior interbody fusion is slipping or dislodgement of grafted bone. Authors describe a simple wiring technique for prevention of slipping or dislodgement of grafted bone. Results are briefly discussed.
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뇌교에 발생한 해면 혈관종의 수술적 제거 : 증례 보고 Case report
조경기 아주대학교 의과학연구소 1996 아주의학 Vol.1 No.1
The author presents a case of cavernous hemangioma of the pons which was successfully treated. The patient was an 18-year-old male who had right hemiparesis and dysarthria of 20 days duration. MRI revealed a 2㎝ sized round mass with irregular high signal intensity on Tl and T2 weighted image in the posterior portion of the pons near the floor of the 4th ventricle. It was totally removed via the floor of the 4th ventricle. The surgical indications for this lesion of the pans are briefly discussed with a review of the literature.
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삼차신경통을 유발한 소뇌교각의 표피양낭종(Epidermoid Cyst) : 증례보고
조경기,정상섭,최중언,김영수,이규창,이헌재 대한신경외과학회 1980 Journal of Korean neurosurgical society Vol.9 No.1
A case of epidermoid cyst in the cerebello-pontine angle, resulting in trigeminal neuralgia, is presented. There were no abnormal findings in the clinical and radiologic examination except the typical neuralgic pain. The tumor was found incidentally during posterior fossa exploration for neurovascular deco mpression of the trigeminal nerve under diagnosis of primary trigeminal neuralgia. The patient was treated with only removal of the tumor.
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뇌종양에서 에스트로겐 및 프로게스테론의 수용체와 종양세포의 증식도와의 상관관계
조경기,신성혜,정상섭 대한신경외과학회 1992 Journal of Korean neurosurgical society Vol.21 No.1
Steroid receptors have been sugessted to play an important role in the synthesis of DNA and the growth of cells. Authors have estimated the concentrations of estrogen and progesteron receptors using the ELISA method, and the proliferative potential using immunohistochemical stain with the monoclonal antibody to bromodeoxyuridine(BUdR) in 46 human brain tumors(21 meningiomas, 12 astrocytomas, 7 schwannoma. 4 medullobastomas, and 2 pituitary tumors). In our studies, the concentration of receptors had no relationship with age and sex of patients, and tumor type, and the proliferative potential of the individual tumors.
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