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발작을 주소로 내원한 Walker-Warburg 증후군 1례
김성구(Seong Koo Kim),이진영(Jin Young Lee),김영훈(Young Hoon Kim),이인구(In Goo Lee) 대한소아신경학회 2010 대한소아신경학회지 Vol.18 No.2
Walker-Warburg syndrome (WWS) is a rare autosomal recessive disorder characterized by congenital muscular dystrophy, brain (lissencephaly, hydrocephalus, cerebellar malformations) and retinal abnormalities, and is associated with mental retardation and seizures. In 1942, Walker was the first to report a case of WWS. As Fukuyama congenital muscular dystrophy or muscle-eye-brain disorder, it has been demonstrated that the glycosylation defects of α-dystroglycan which take a great role in muscle and neuron regeneration are at the root of these disorders. We report a five months old male patient who was presented with seizures as the chief complaint and was diagnosed with WWS, based on clinical criteria, MRI, muscular biopsy, ocular examination, and laboratory findings.
성견 1면 골 결손부에서 Polylactic/polyglycolic acid copolymer (PLA/PGA) 흡수성 차단막의 치주 조직 재생에 대한 연구
김성구,황성준,김민경,김창성,이덕연,이용근,조규성,채중규,김종관,최성호,Kim, Sung-Koo,Hwang, Sung-Joon,Kim, Min-Kyoung,Kim, Chang-Sung,Lee, Doug-Youn,Lee, Yong-Keun,Cho, Kyoo-Sung,Chai, Jung-Kiu,Kim, Chong-Kwan,Choi, Seong-Ho 대한치주과학회 2003 Journal of Periodontal & Implant Science Vol.33 No.4
The goal of periodontal treatment is regeneration of the periodontium. Bone graft and absorbable PLA/PGA membrane have been used for this purpose. In this study, 4${\times}$4mm 1-wall intrabony defects were surgically created bilaterally in the mandible of five male beagles. The control group went through a conventional flap operation, while the experimental group I was treated with absorbable PLA/PGA membranes only, group II was treated with absorbable membrane and calcium phosphate. The results are the following : 1. The defect height was 4.82${\pm}$0.45mm in the control group, 4.93${\pm}$0.79mm in the experimental I group, and 4.92${\pm}$0.62mm in the experimental II group. There was no statistically significant difference among 3 groups(P <0.05). 2. The amount of junctional epithelium migration was 30.90${\pm}$9.92% of the defect height in the control group, 39.16${\pm}$7.51% in the experimental I group, and 38.68${\pm}$12.22% in the experimental II group. There was no statistically significant difference among 3 groups(P <0.05). 3. The amount of connective tissue adhesion was 36.38${\pm}$9.03% in the control group, 14.73${\pm}$3.93% in experimental I group, and 27.87${\pm}$9.70% experimental II group. Experimental group I was a statistically significantly different from control group(P <0.05). 4. The amount of new cementum regeneration was 32.92${\pm}$10.51%, 50.04${\pm}$7.61%, and 39.62${\pm}$12.14% for the control, experimental I, and experimental II group respectively. Experimental group I was a statistically significantly different from control group(P<0.05). 5. The amount of new alveolar bone regeneration was 27.24${\pm}$7.49%, 40.75${\pm}$8.03%, and 36.47${\pm}$15.11% for the control, experimental I, and experimental II group respectively. Experimental group I was a statistically significantly different from control group(P <0.05). The results suggest that the use of PLA/PGA membrane in 1-wall intrabony defect of beagle dogs may promote periodontal regeneration. Further studies are required to determine their regeneration effects.