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동결보호제 첨가에 따른 ??동 보관 자가골 이식후 초기골 재생에 관한 연구
최근락,이백수,박용구 대한치과이식임플란트학회 2003 The Korean Academy of Implant Dentistry Vol.22 No.1
Purpose : Autogenous bone has been reported the most effective materials but it has disadvantage of difficulties in preservation. Cryopreservation is one of the method but simply freezing brings about cell necrosis which affect the result of bone graft. Accordingly, for the research of the ciyopreservative effect on bone regeneration after replantation of freezed autogenous bone, animal study was done and this is the report of preliminary result. Materials and Methods : Six rabbits were used as experimental animals. Surgical defects were created on the distal femoral heads and mesial tibial heads of each animal using trephine drill.(5mm diameter) the harvested bones were cryopreserved with/without cryoprotectant in-80 C refrigerator for one week, the defects were filled with cryopreserved bone with/without cryoprotectants as experimental group and control group. Then, the animals were sacrified at 1,2 and 3 weeks after surgery. With Goldner’ s modified Masson trichrome stainign and semiautomatic image analysis system, I observed the change of the cells and bone formation Results : After bone graft, bone formation and active remdeling prosess were examined in all experimental groups and the control. But the intensity of such activities of EG(-) group were somewhat weaker than that of Control group and EG(+) group. Control group was the best in bone formation and bone remodeling. Especially EG(+) groupresembled in histologic findings and was observed of bony callus. Histologic findings showed superior bony quantity and quality in EG(+) group than that in EG(-)group
이백수(Baek-Soo Lee),최근락(Keun-Lak Choi),오정환(Jung-Hwan Oh),이상철(Sang-Chull Lee),김여갑(Yeo-Gab Kim),류동목(Dong-Mok Ryu),권용대(Yong-Dae Kwon),김시영(Si-Young Kim) 대한구강악안면외과학회 2004 대한구강악안면외과학회지 Vol.30 No.3
A malignant sarcoma of soft tissue that arises near but not in a joint, most often in an adolescent or young adult, is typically slowgrowing, and may escapes notice until it causes pain. The diagnosis of this tumor can be suspected by X-ray or imaging, made by biopsy, and confirmed by chromosome studies. Cytogenic studies reveal a translocation between the X chromosome and chromosome 18 in the tumor cells. The most common treatment for the tumor is surgery to remove the entire tumor, nearby muscle, and lymph nodes. Synovial sarcoma tends to recur locally and to involve regional lymph nodes. Distant metastasis occurs in half cases. The well-documented and adequately followed cases are currently lacking and this report described an instance of Synovial sarcoma good result after treatment and review of literature.
류동목,김주동,김여갑,이백수,오정환,권용대,최근락 대한악안면성형재건외과학회 2004 Maxillofacial Plastic Reconstructive Surgery Vol.26 No.5
Guillain-Barre syndrome(GBS) was reported by Landry in 1859. GBS, called acute inflammatory polyneuritis, is a disorder in which the body's immune system attacks parts of the his or her own peripheral nervous system. The GBS is characterized by symmetrical rapidly ascending paralysis that ocasionally leads to respiratory embarrassment and death. The causes and mechanisms of this syndrome are unknown yet. The typical GBS could be diagnosed by the patient's symptoms and physical exams like rapid onset of weakness, paralysis and loss of reflex. For the diagnosis of the analysis of CSF and electrical test of nerve and muscle function can be performed. Most of casese usually occur shortly after viral infection. It is not sure, but plasma exchange, intravenous immunoglobulin, and corticosteroids are generally used for the treatment of GBS.This is a case report of a patient with GBS. He was in accidently coincident with tooth extraction of right mandible 3rd molar. The patient had a past history of acute collitis and influenza before tooth extraction.