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Retroperitoneal Mucinous Cystadenoma
Gyu Yeol Kim(김규열),Dae Hwa Choi(최대화),Young Chul Lim(임영철),Byung Kyun Ko(고병균),Sang June Park(박상준),Yang Won Nah(나양원),Hong Rae Cho(조홍래),Chang Woo Nam(남창우) 대한외과학회 2008 Annals of Surgical Treatment and Research(ASRT) Vol.74 No.1
일차성 후복막 점액성 낭선종은 흔치 않은 종양으로 여성에게만 발생하며, 수술 전에 정확한 진단을 하기 매우 어렵다. 하지만, 이러한 낭성 종양의 낭액에서의 증가된 암태아성항원의 수치가 일차성 후복막 점액성 낭선종의 유용한 진단 지표가 될 수 도 있다. 완전 절제가 이 종양의 적절한 치료이다. 또한, 수술 중 복강 내 타 장기들을 누르거나 할 필요가 없으며, 소장 및 대장이 손상될 위험을 줄일 수 있다는 측면에서 후복막 접근이 복강 내 접근 보다 유용한 방법일 수 있다. 저자들은 후복막 접근을 통해 성공적으로 절제한 일차성 후복막 점액성 낭선종의 경험을 보고한다. We present a case of a primary retroperitoneal mucinous cystadenoma, which is a relatively rare tumor found exclusively in women. This tumor is difficult to correctly diagnose preoperatively. Although there is little published information regarding the CEA levels in the cystic fluid of cystic tumors arising in the retroperitoneum, a high CEA level in the cystic fluid is a useful diagnostic marker for a primary retroperitoneal mucinous tumor. The appropriate management of retroperitoneal mucinous cystadenomas is the total removal of the cyst. The retroperitoneal approach for retroperitoneal cystic tumors is useful, has a lower risk of traumatizing the bowel than the intra-abdominal approach, and does not require compression of the other organs. We report the successful resection of a retroperitoneal mucinous cystadenoma through the retroperitoneal approach.
김규열 ( Gyu Yeol Kim ),배정한 ( Jeong Han Bae ),서영우 ( Young Woo Seo ),조홍래 ( Hong Rae Cho ),홍은석 ( Eun Seok Hong ) 대한외상학회 2003 大韓外傷學會誌 Vol.16 No.2
In addition to lap and shoulder belt, automotive airbag has reduced the frequency of fatalities and serious injuries from motor vehicle crash. Today, an increasing number of automobiles are being equipped with additional passive safety devices: driver and passenger airbags. With this increasingly frequent application of these safety features in automobiles, there are increasing number of reports about airbag-associated injuries including minor trauma on mainly head, face, eye, chest, and extremities. And also a little number of lethal injuries by airbag deployment were reported. That is even occurred at low velocity traffic collision. If the driver or passenger have his or her hand or arm across the steering wheel hub or torso move forward and contact with airbag module cover before airbag deployed especially if the lap-shoulder restrain is not worn, airbag deployment is then much more likely to cause serious injury even in the very low speed crash. In a review of literatures, the effectiveness of the passenger-side airbag and few data on passenger-side airbag related injury in the frontal crash doesn`t known in Korea, because most cars are equipped with only the driver`s side airbag and the low occupancy rate of the frontal passenger side airbag. This report describes three patients with severe injuries that were caused by airbag inflation during low velocity motor vehicle accidents. We should be aware of the explosive nature of airbag deployment and realize that the injury may be far greater than expected from a low energy motor vehicle accident.
개 자가부분 간이식에서 이식간 초기 기능 지표로서 혈청 젖산 및 아미노산의 단계별 대사 변화
김상준(Sang Joon Kim),서경석(Kyung Suk Suh),이건욱(Kuhn Uk Lee),최재운(Jae Won Choi),안세현(Sae Hyun Ahn),정성은(Sung Eun Jung),배수동(Soo Tong Pai),김주섭(Joo Seop Kim),조홍래(Hong Rae Cho),정중기(Jung Kee Chung),이우정(Woo Jung Lee 대한소화기학회 1993 대한소화기학회지 Vol.25 No.5
N/A Living-related segmental liver transplantation is currently accepted as one method of treatments of pediatric endstage liver diseases. Immediate recovery of graft function is prerequisite for patients survival, In case of graft failure, early prediction is necessary for retransplantation to avoid decease. Since amino acids and lactic acid are metabolized in liver, levels of those components lin plasma are frequently used as indicators for hepatic graft function. we have investigated the wequential changes of amino acids and lactic acid following autologous segmental liver transplantation in canine to identify the significance of these indicators. Ten mongrel dogs were prepared by harvesting the left lobe frorn experimental dogs, removing the rest of liver using total vascular exclusion and veno-venous bypass, and implanting the left lobe taken at first stage in the orthotopic position. The plasma amino acids and lactic acid concentrations in arterial blood obtained at preoperative period, anhepatic phase, reperfusion-15 min., 1 hour, 3 hours, 6 hours, were measured on Beckman system 6300 amino acid analyzer and Kodak Ektachem 700 XR, Among ten dogs, five of them died within 20 hours (Group 1), and the rest of them died after 20 hours (Group 2). The results indicate: (1) ln both Group, all plasma amino acid levels were increased in anhepatic phase except Valine, Isoleucine, and Arginine. Most highly increased amino acid was Alanine. (2) In group 1, most amino acids were slightly decreased till reperfusion 1 hour, and then increased to the level of anhepatic phase in reperfusion 6 hours. (3) In group 2, most plasma amino acid levels were decreased to preoperative values within 6 hours following reperfusion. (4) The changing patterns of TFPAA (total free plasma amino acid), BCAA/AAA ratio (Branched chain amino acid/aromatic amino acid ratio), and severaI amino acids (Phenylalanine, alanine Proline, Tyrosine) revealed statistically significant difference between two Groupe. (5) While plasma concentration of lactate continued to rise until 6 hours after reperfusion in Group 1, already increased plasma concentration of lactate in anhepatic phase reached plateau during 6 huurs after reperfusion in Group 2. The above changing pattern of plasma concentration of lactate showed statistically significant difference between both Groups (p<0.05). (6) Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) levels were increased equally during operation and reperfusion in two Groups. Therefore, the sequential changes of plasma amino acids and lactic acid are useful indicators for detection of early graft function in canine autologous segmental liver transplantation
Myoglobin에 의한 급성 신부전에서 Oxygen Free Radical의 역할
김주섭 ( Joo Seop Kim ),정대윤 ( Dae Yune Jung ),김장만 ( Jang Man Kim ),조홍래 ( Hong Rae Cho ),배수동 ( Soo Tong Pai ),강구 ( Gu Kang ),신형식 ( Hyung Sik Shin ) 대한외상학회 1991 大韓外傷學會誌 Vol.4 No.2
Highly reactive oxygen metabolites have been known to have a role in several models of acute renal failure. Especially hydroxyl radicals have been proved to be important mediators by some previous authors. This study was aimed to determine the role of superoxide radical as well as hydroxyl radical and to compare the protective effects of both scavengers in myoglobinuric renal failure. Acute renal failure was induced by intramuscular injection of hypertonic glycerol (6mg/kg, half-dose in each hindlimb muscles) in rats. Rats treated with glycerol and hydroxyl radical scavenger, dimethylsulfoxide (DMSO), showed lower serum blood urea nitrogen (BUN) and creatinine level than rats with glycerol alone. And also significant protection was noticed histologically. Superoxide radical scavenger, superoxide dismutase (SOD), had a similar protective effects. In contrast, allopurinol, an inhibitor of xanthine oxidase, was not protective at all. The present study may suggest that both superoxide and hydoxyl radical playa role of tissue injury in myoglobin-induced renal failure. Beside xanthine oxidase, other souces of oxygen free radical may exist.
유방암 환자에서 내시경을 이용한 유륜부절개 부분 유방절제술에 대한 경험 및 5년 추적 관찰의 결과
강동우 ( Dong Woo Kang ),김연선 ( Yon Seon Kim ),조홍래 ( Hong Rae Jo ),고병균 ( Byung Kyun Ko ) 대한임상종양학회 2010 Korean Journal of Clinical Oncology Vol.6 No.2
목적: 유방보존술은 유방암 치료의 표준 술식으로 확립되어져 왔다. 그러나 유방보존술이 유방의 전체적인 모양을 유지시킬 수는 있으나, 수술 후 발생하는 피부 반흔은 미용적으로 해결해야 하는 문제였고 더 나은 미용 효과를 위해 내시경을 이용한 수술이 시도되었다. 저자들은 내시경을 이용한 유륜부절개 부분 유방절제술(transareolar endoscopic partial mastectomy)에 대한 임상 경험을 보고하고, 향후 유방암 수술에 대한 새로운 술식으로서의 이용 가능성에 대하여 알아 보았다. 대상 및 방법: 2005년 2월부터 2005년 6월까지 15명의 유방암 환자가 내시경을 이용한 유륜부절개 부분 유방절제술을 시행 받았다. 반달 모양의 절개창을 유륜 주위에 넣은 후 VisiportTM를 이용하여 유선조직을 피부로부터 박리하였고 preperitoneal distention balloon system (PDB)을 이용하여 유선조직을 후유방조직으로부터 박리하였다. 유선조직 상부와 하부의 충분한 박리 후에 안전한 절단면을 가진 종양조직을 제거하였다. 수술 후 경과 관찰을 위해 6개월 간격으로 5년 동안의 추적관찰을 시행하였다. 결과: 환자의 평균 나이는 47.5세였고, 종양의 평균 크기는 2.0 cm (1.3-3.0) 이었다. 유두로부터 종양까지의 거리는 평균 4.0 cm (2.5-5.0) 이었다. 15명의 환자 모두에서 안전한 절단면을 얻을 수 있었으며 수술 5년 경과 후 추적관찰에서도 국소재발은 없었다. 1명에서 흉막으로의 원격전이가 발생하였으나 국소재발은 없었다. 수술 후 미용적 만족도 평가를 위해 설문 조사를 시행하였으며 추적이 소실된 1명과 원격전이가 발생한 1명을 제외한 13명 모두에서 만족도가 높은 것으로 평가되었다. 결론: 내시경을 이용한 유륜부절개 부분 유방절제술은 미용적 측면에서 매우 효과적이고 유용한 술식으로 생각되나 향후 더 많은 환자군을 대상으로 하는 연구가 필요할 것이다. Purpose: Breast conserving surgery has been a standard surgery for breast cancers. This operation has a great cosmetic advantage over total mastectomy. Although breast conserving surgery can retain a good shape of the breast, an operation scar would be a disadvantage. Endoscopic surgery can be performed via a small and remote incision that becomes inconspicuous after surgery. We therefore designed transareolar endoscopic partial mastectomy in breast conserving surgery for breast cancer. Materials and Methods: Fifteen patients with breast cancer underwent transareolar endoscopic partial mastectomy. A semicircular incision was made around areolar and skin flap was made by using VisiportTM and deepened to the lateral edge of the mammary gland. For mobilization of the mammary gland from pectoralis muscle, we used a preperitoneal distention balloon system (PDB). The PDB allowed us to mobilize sufficiently mammary gland from the pectoralis muscle. After freeing half of the mammary gland, tumor was excised without difficulty with negative margins. Results: The mean age of patients was 47.5 years. The mean tumor size was 2.0 cm (range: 1.3-3.0 cm) and the mean tumor distance from nipple was 4.0 cm (range: 2.5-5.0 cm). In all patients, the tumor was excised with negative margins. After a mean follow up of 5 years, no patient had local recurrence, but one patient experienced distant metastasis. A patient satisfaction survey showed that all of patients evaluated the surgery as “Good”. Conclusion: Transareolar endoscopic partial mastectomy is an effective technique and feasible with a good cosmetic results. However, further study with more patients and long-term follow-up is needed.