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강용구,박원종,송석환,김형민,이승구,우영균,김정만,문명상,인용,Kang, Yong-Koo,Bahk, Won-Jong,Song, Seok-Whan,Kim, Hyoung-Min,Rhee, Seung-Koo,Woo, Young-Kyun,Kim, Jung-Man,Moon, Myung-Sang,In, Yong 대한근골격종양학회 1995 대한골관절종양학회지 Vol.1 No.2
To evaluate the role of post-operative irradiation in reducing local recurrence after surgical treatment of liposarcoma, 19 patients who were treated between July 1988 and June 1994 at Department of Orthopedic Surgery, Catholic University were studied retrospectively. The average follow up was 31 months. 1. There were 14 males and 5 females and an average age was 51 years old. 2. Thirteen cases were in extremities and buttock, 3 in neck, 2 in retroperitoneum and 1 in back. 3. Histologic types were 16 cases of myxoid type and 3 cases of well differentiated type. 4. Ten cases were achieved with wide margin and 9 with inadequate(intralesional or marginal) margin. 5. There were no local recurrence in 10 cases with wide margin, whereas 6(67%) local recurrences in 9 cases with inadequate margin. 6. Among 6 cases of local recurrence, 5 cases had been treated with post-operative irradiation. In conclusion, post-operative irradiation for inadequate margin(intralesional or marginal margin) was not sufficient to reducing local recurrence.
Stage II B형 골육종에 대한 술전 항암화학요법 및 수술적 치료 결과
강용구,김형민,이승구,우영균,김정만,김훈교,Kang, Yong-Koo,Kim, Hyung-Min,Rhee, Seung-Koo,Woo, Young-Kyun,Kim, Jung-Man,Kim, Hoon-Kyo 대한근골격종양학회 1996 대한골관절종양학회지 Vol.2 No.1
Recent advances in imaging techniques, surgery and combination anti-cancer chemotherapy have brought high survival rates in osteosarcoma. To investigate the survival rate, local recurrence and complications in treatment, we analysed 25 osteosarcoma cases who had been treated with preoperative neo-adjuvant chemotherapy, surgery and post operative chemotherapy at Department of Orthopedic Surgery, Catholic University. From May 1988 to April 1995, 42 cases of stage IIB osteosarcoma were admitted in Department of Orthopedic Surgery. Among them, 17 cases who didn't follow our treatment guidance were excluded in this study. The average age were 19 years. There were 21 males and 4 females. The involved sites were 4 humerus, 10 femur, 10 tibia and 1 talus. Eleven cases had received intraarterial cisplatin and intravenous adriamycin chemotherapy, and 7 T-10 protocol and 7 intravenous ifosfamide, ADR, methotrexate, cisplatin. Twenty-three cases were treated with limb salvage surgery, and 2 amputation. The average follow-up was 35 months(3~82). There were 14 cases of continuous disease free, 9 cases of died of disease, 1 case of alive with disease, and 1 case of no evidence of disease at final follow-up. There were three cases of local recurrence at 6,8 and 12 months after operation. The estimated Kaplan-Meier's 5 year survival rates for all, ADR-cisplatin group, T-10 protocol group, and ifosfamide regimen group were 6%, 73%, 44% and 72%, respectively.
강용구(Yong Koo Kang),전보영(Bo Young Chun) 대한검안학회 2017 Annals of optometry and contact lens Vol.16 No.1
Purpose: To report a patient with Rubinstein-Taybi syndrome who had undergone bilateral medial rectus recession to correct his esotropia. Case summary: A 7-year-old male patient with long-standing esodeviation was brought to our clinic. Previously, he was diagnosed with refractive accommodative esotropia and was wearing glasses. On ophthalmologic examination, esotropia of 40 prism diopters with no limitation of ocular movement was observed by alternate prism cover test. His esodeviation did not change after full correction of hyperopia obtained with cycloplegic refraction, and was diagnosed with decompensated accommodative esotropia. The patient demonstrated mental retardation, post-natal growth deficiency, broad thumbs and halluces, and characteristic facial features such as downward slanted palpebral fissures and large deformed ears. He was diagnosed with Rubinstein-Taybi syndrome on the basis of clinical findings and confirmed by genetic testing. Decompensated accommodative esotropia of the patient was corrected to orthotropia following bilateral medial rectus muscle recession. Conclusions: Esotropia may be accompanied with a genetic disease such as Rubinstein-Taybi syndrome. In this case, refractive accommodative esotropia turned into decompensated accommodative esotropia, which was corrected with strabismus surgery.
$\beta_2$ 교감신경 수용체 다형성이 아토피 및 혈청 IgE에 미치는 영향
이신형,심재정,강용구,정혜철,김경규,권영환,김제형,이승룡,이소라,이상엽,조재연,인광호,유세화,강경호,Lee, Sin-Hyung,Shim, Jae-Jeong,Kang, Yong-Koo,Jeong, Hye-Cheol,Kim, Kyung-Kyu,Kwon, Young-Hwan,Kim, Je-Hyeong,Lee, Sung-Yong,Lee, So-Ra,Lee, San 대한결핵및호흡기학회 1999 Tuberculosis and Respiratory Diseases Vol.46 No.6
연구배경 : $\beta_2$ 교감신경 수용체의 다형성이 기관지 천식의 표현형에 영향을 미친다고 알려져 있다. 이에 저자들은 먼저 기관지 천식 환자와 정상인에서의 $\beta_2$ 교감신경 수용체의 다형성의 빈도에 차이가 있는가를 알아보고, 또한 기관지 천식 환자에서 아토피의 유무 및 혈청 총 IgE의 증가 여부와 $\beta_2$ 교감신경 수용체의 다형성이 관계가 있는지 알아보고자 본 연구를 시행하였다. 방 법 : 기관지 천식 환자 109명과 정상인 42명에 대하여 혈청 총 IgE를 측정하고, 항원 특이 IgE 검사 및 피부 단자 검사를 실시하였고, mutated allele specific amplification 법으로 $\beta_2$ 교감신경 수용체와 다형성을 검색하였다. 결 과 : $\beta_2$ 교감신경 수용체의 다형성을 조사한 결과 16번 아미노산 위치에서는 Arg 야생형 및 Arg/Gly 이형접합체 변이형, Gly 동형 접합체 변이형이, 그리고 27번은 Gln 야생형, Gln/Glu 이형 접합체 변이형, Glu 동형 접합체 변이형이 관찰되었다. 34번 아미노산의 경우는 Val 야생형과 Val/Met 이형 접합체 변이형이, 164번은 Thr 야생형만 있었다. 1) 정상인과 기관지 천식 환자에서 $\beta_2$ 교감신경 수용체의 16, 27, 34번 아미노산 위치에 있어서 다형성의 빈도는 통계학적으로 차이가 없었다(p>0.05)(Table 3). 2) 기관지 천식환자에서 $\beta_2$ 교감신경 수용체 다형성의 빈도와 아토피의 존재 유무는 16, 27, 34 번 아미노산에서 모두 통계학적으로 관계가 없었다(p>0.05) (Table 4). 3) 기관지 천식 환자 중 혈청 총 IgE가 증가된 군과 정상 군에서 $\beta_2$ 교감신경 신경 수용체 다형성과 혈청 총 IgE의 증가 여부의 비교는 16, 27, 34번 아미노산 모두 통계학적인 관련이 없었다(p>0.05) (Table 5). 결 론 : 결론적으로 기관지 천식 환자와 정상인 사이의 $\beta_2$ 교감신경 수용체의 다형성은 16, 27, 34번 아미노산 위치에서 차이가 없었고, 기관지 천식환자에서 아토피의 유무 및 혈청 총 IgE의 증가 여부와 $\beta_2$ 교감신경 수용체의 다형성의 빈도는 통계적으로 유의한 관계가 없었다. Background : The $\beta_2$ adrenergic receptor ($\beta_2$ AR) polymorphisms occurring at amino acid position 16 (Arg to Gly), 27 (Gln to Glu), 34 (Val to Met), and 164 (Thr to Ile) are known to be functionally relevant and also disease-modifying in subjects with asthma. However the contribution of these polymorphisms to the development of the asthmatic phenotype or other markers for allergic disease remains to be established. Methods : 109 patients with bronchial asthma and 42 healthy person were included. Serum total IgE, allergen specific IgE, and skin prick test were performed to all of the subjects. $\beta_2$ AR polymorphisms were checked by mutated allele specific amplification (MASA) method. Results : The results were as follows. The frequencies of $\beta_2$ AR polymorphisms in asthmatic patients and healthy person were not statistically different(p>0.05). There was no association between $\beta_2$ AR polymorphisms of amino acid position 16, 27, 34 and the existence of atopy among asthmatic patients(p>0.05). Between asthmatic patients with or without elevated IgE level and $\beta_2$ AR polymorphisms of amino acid position 16, 27, 34, there was no statistically significant association(p>0.05). Conclusion : There was no difference in frequency of the $\beta_2$ AR polymorphism between asthmatic patients and healthy person. In the bronchial asthma, association of $\beta_2$ AR polymorphism and atopy/serum total IgE was not found.
백내장수술 후 발생한 Exophiala xenobiotica 진균안내염
김진영(Jin Young Kim),박한상(Han Sang Park),강용구(Yong Koo Kang) 대한안과학회 2022 대한안과학회지 Vol.63 No.2
목적: 백내장수술 후 발생한 Exophiala xenobiotica 감염에 의한 진균안내염 증례를 보고하고자 한다. 증례요약: 79세 남자 환자가 좌안 백내장수술 8개월 후 발생한 시력저하로 내원하였다. 내원 당시 좌안 포도막염으로 진단 후 트리암시놀론 테논낭하주사술을 2회 시행한 후 증상의 호전을 보였다. 하지만 3개월 후 다시 좌안의 시력저하가 발생하였고, 전방축농 및 유리체혼탁이 확인되었다. 백내장수술 이후 발생한 만성 안내염의 가능성을 고려하여 좌안 전방세척술 및 방수의 배양검사를 통해 Exophiala xenobiotica 감염을 확인하였다. 항진균제의 전신 치료 및 유리체내주사술에도 불구하고 안내염은 호전이 없어 유리체절제술을 시행하였다. 하지만 항진균제 치료의 중단 후, 각막절개창 부위의 안내염의 국소적 재발 소견으로 병변 부위의 수술적 조직제거술 및 항진균제의 전방주사술을 시행한 후 전방 및 유리체염증 없이 좌안 최대교정시력은 0.5로 호전되었다. 결론: 백내장수술 이후 발생하는 포도막염에 대해서 수술 후 만성적으로 발생할 수 있는 진균안내염의 가능성을 염두에 두어야 한다. Purpose: To report a case of fungal endophthalmitis secondary to Exophiala xenobiotica after cataract surgery. Case summary: A 79-year-old male presented with decreased visual acuity in the left eye 8 months after cataract surgery. He was diagnosed with uveitis and received subtenon triamcinolone injection, which has a temporary effect. Three months after the injection, his visual acuity had decreased, such that best-corrected visual acuity (BCVA) of the left eye was hand motion. Anterior chamber cells with hypopyon and severe vitritis with vitreous haze were observed in the left eye. We considered the possibility of endophthalmitis after cataract surgery, and repetitive anterior chamber irrigation with culture was conducted to identify pathogens. Systemic and intravitreal antifungal agents were injected after the isolation of Exophiala xenobiotica. However, there was no improvement of the endophthalmitis, and he underwent pars plana vitrectomy. Although inflammatory symptoms disappeared after surgery, black lesions in the corneal incision site were identified 3 months postoperatively. Ultimately, surgical debridement and anterior chamber injections of antifungal agents were performed for recurring endophthalmitis. After the surgery, there was no inflammation of the anterior chamber or vitreous cavity. The BCVA of the left eye improved to 0.5. Conclusions: Ophthalmologists should consider the possibility of fungal endophthalmitis in patients who suffer from uveitis-like symptoms after cataract surgery.