• Radiation Oncology Journal
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• 제20권4호
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• pp.334-342
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• 2002

목적 : 본 연구는 AJCC 병기 II기와 III기의 국소진행성 직장암으로 근치적 절제술을 받은 환자들을 대상으로 각 병기에서 보조 화학요법 단독에 비해 화학방사선 병행요법이 생존율 및 무병생존율을 향상시키는지에 대하여 알아보고자 하였다. 대상 및 방법 : 1989년 1월부터 1999년 12월까지 AJCC 병기 II기와 III기의 직장암으로 근치적 절제술이 시행된 144명을 대상으로 하였다. 그 중 보조 치료방법에 따라 분류를 하면 화학요법 단독군이 72명이었고, 화학방사선 병행요법군은 72명이었다. 화학요법은 수술 후 UFT를 매일 경구복용하거나(중앙값 12개월) 5-FU를 기초로 한 항암제를 4주 간격으로 정맥주사하였고, 투여기간은 $1\~18$차례(중앙값 6차례)이였다. 방사선치료는 직장과 골반 내 영역 림프절 영역에 4,500 cGy를 조사한 후 수술 부위에 $540\~1,440\;cGy$ (중앙값 540 cGy) 추가조사를 시행하였다. 추적관찰 기간은 $20\~150$개월로 중앙값은 44개월이었다. 결과 : 5년 생존율은 화학요법 단독군과 화학방사선 병행요법군에서 각각 $60.9\%$와 $68.9\%$ (p=0.0915)였고, 5년 무병생존율은 각각 $56.1\%$와 $63.8\%$ (p=0.3510)로 두 군사이에 유의한 차이를 보이지 않았다. 병기별로 분석하였을 때 II기에서의 5년 생존율은 화학요법 단독군이 $71.1\%$, 화학방사선 병행요법군은 $92.2\%$로 두 군간에 통계적으로 유의한 차이를 보였으나(p=0.0379), 5년 무병생존율에서는 화학요법 단독군이 $57.3\%$, 화학방사선 병행요법군은 $85.4\%$로 두군간에 통계적으로 유의한 차이를 보이지 않았다(p=0.1482). III기에서는 5년 생존율과 무병생존율이 화학요법 단독군에서는 $52.0\%$와 $47.8\%$였고, 화학방사선 병행요법군에서는 $55.0\%$와 $49.8\%$로 두 군 사이에는 유의한 차이를 보이지 않았다(p=0.4280, p=0.7891). 국소재발율은 화학요법 단독군이 $16.7\%$, 화학방사선 병행요법군은 $12.5\%$였고, 원격재발율은 화학요법 단독군이 $25.0\%$, 화학방사선 병행요법군은 $26.4\%$였다. 결론 : 본 연구에서는 II기에서 보조 화학요법에 방사선치료를 병행함으로써 보조 화학요법 단독 치료시와 비교하여 생존율의 유의한 증가를 보였고, 비록 통계적으로 유의한 차이를 보이지는 못했지만 국소재발율의 감소를 보였다.

• Journal of Chest Surgery
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• 제37권7호
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• pp.591-596
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• 2004

최근 수부 다한증에 비해 안면 다한증에 대한 교감신경 차단술은 점차 기피되고 있는 실정이다. 최근 저자들은 남성과 여성에서의 술 후 만족도의 차이로 인해 남성에서의 수술은 배제하고 여성에서만의 선택적인 수술을 권장할 것을 보고한 바 있다. 이에 여성의 안면 다한증에 대해 제2번 흉부교감신경 차단술 후 장기결과를 분석하여 여성에서의 수술 적정성을 재검토하고 향후 새로운 치료지침을 정립하기 위해 연구를 시행하였다. 대상 및 방법: 1998년 5월부터 2001년 7월까지 순수한 안면 다한증으로 제2흉부 교감신경 차단술을 시행 받고 수술 후 최소 2년이 경과한 27명의 여성 환자 중 전화 설문조사가 가능하였던 20명의 환자를 대상으로 하였다. 수술 방법은 2 mm 흉강경 기구를 이용하여 제2번 흉부 교감신경절 상부 신경줄기만을 절단하였다. 7명에서 미각성 발한이 동반되었다. 나이는 최소 25세부터 62세까지 평균 46.4세였다. 걸과: 수술 직후 모든 예에서 증상은 소실되었으며, 수술 1주 후에 환자의 만족도는 15예에서 “아주 만족한다”고 하였으며, 5예에서는 “대체로 만족한다” 고 하였다. 그러나 수술 후 25개월부터 63개월까지 평균 46.3개월의 장기추적 관찰에서 9예(45 %)는 “대체로 만족한다”, 8예(40%)는 “그저 그렇다”, 그리고 3예(15%)는 “불만(수술후회)”이라고 하였다. 미각성 발한으로 인해 16명(80%)이 불편하다고 호소하였고, 모든 예에서 보상성 발한이 발생하였는데 10예(50%)에서 “심하다”, 6예(30%)에서 “심하나 참을 만하다”,나머지 4예(20%)에서는 “보통이다” 라고 하였다. 보상성 발한의 위치는 가슴, 등, 액와부 및 하지부위로 전체에 걸쳐 위치하였다. 걸론: 여성에서 안면다한증에 대한 제2흉부 교감신경 차단술은 아직도 고려될 만한 수술이고 수술 만족도에 미치는 주요인은 미각성 발한과 보상성 발한에 대한 개인적인 적응정도의 차이이다. 그러므로 수술 후 만족도를 높이기 위해 이를 예측할 수 있는 수술 전 위험인자를 찾는 노력이 요구되고, 이를 통해 보다 세밀한 수술 대상 환자의 선택이 필요하며 새로운 치료 방법의 개발이 요구된다.

• Archives of Hand and Microsurgery
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• 제23권4호
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• pp.230-238
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• 2018

목적: 중수골 골절에서 시행되는 두 가지 수술 방법; 즉, 폐쇄적 정복술 및 평행핀 외고정술, 개방적 정복술 및 플레이트 내고정술 시행 이후 골절각의 변화를 수술 직후 및 추적 관찰하여 비교 분석하였다. 방법: 2008년 4월부터 2018년 1월까지 수부 단일 중수골 골절에 대해 수술적 처치를 받은 46명의 환자를 대상으로 후향적 연구를 진행하였다. 관절 외 중수골 골절에서 폐쇄적 정복술 및 가로 방향 평행 핀 외고정술(그룹 1) 또는 개방적 정복술 및 플레이트 내고정술(그룹 2)을 진행하고, 수술 전후 및 추시 후 수부 방사선 비스듬영상에서 골절각을 측정하여 분석하였다. 결과: 두 그룹 모두 정복술 진행 후 유의한 골절각 교정 결과를 보였다. 그룹 1의 경우 수술 후 3-4주에 능동적 운동을 시작하였으며, 골절각 재발 소견이 다소 나타났다(그룹 1: 수술 직후 골절각 $20^{\circ}{\pm}7^{\circ}$, 추시 후 골절각 $24^{\circ}{\pm}10^{\circ}$, p<0.05). 반면에 그룹 2는 수술 후 2주에 운동 진행 이후에도 정복된 상태를 지속적으로 유지하였다(그룹 2: 수술직후 골절각 $19^{\circ}{\pm}5^{\circ}$, 추시 후 골절각 $18^{\circ}{\pm}6^{\circ}$). 결론: 관절 외 단일 중수골 골절에서 폐쇄적 정복술 및 평행 핀 외고정술과 개방적 정복술 및 플레이트 내고정술 모두 골절에 의한 각형성을 유의하게 교정할 수 있는 유용한 수술 방법이다. 폐쇄적 정복술 및 평행 핀 외고정술 이후 3-4주에 손 운동을 시작할 경우 골절 부위에 과도한 운동 또는 외부 자극에 의한 저항이 가해지면 유합 진행을 악화시킬 수 있으므로 주의 깊은 경과 관찰을 요하며, 골절 상태에 따라 적절한 수술 방법을 계획해야 한다.

• Archives of Plastic Surgery
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• 제43권5호
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• pp.411-417
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• 2016

Background Facial hypoesthesia is one of the most troublesome complaints in the management of facial bone fractures. However, there is a lack of literature on facial sensory recovery after facial trauma. The purpose of this study was to evaluate the facial sensory recovery period for facial bone fractures using Neurometer. Methods Sixty-three patients who underwent open reduction of zygomatic and blowout fractures between December 2013 and July 2015 were included in the study. The facial sensory status of the patients was repeatedly examined preoperatively and postoperatively by Neurometer current perception threshold (CPT) until the results were normalized. Results Among the 63 subjects, 30 patients had normal Neurometer results preoperatively and postoperatively. According to fracture types, 17 patients with blowout fracture had a median recovery period of 0.25 months. Twelve patients with zygomatic fracture had a median recovery period of 1.00 month. Four patients with both fracture types had a median recovery period of 0.625 months. The median recovery period of all 33 patients was 0.25 months. There was no statistically significant difference in the sensory recovery period between types and subgroups of zygomatic and blowout fractures. In addition, there was no statistically significant difference in the sensory recovery period according to Neurometer results and the patients' own subjective reports. Conclusions Neurometer CPT is effective for evaluating and comparing preoperative and postoperative facial sensory status and evaluating the sensory recovery period in facial bone fracture patients.

• Maxillofacial Plastic and Reconstructive Surgery
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• 제35권4호
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• pp.211-220
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• 2013

Purpose: The purpose of this study was to compare the changes in the pharyngeal airway space, tongue and hyoid bone positions according to the orthognathic surgical methods of mandibular prognathism. Methods: The subjects included 30 patients (16 males, 14 females) with the skeletal class III malocclusion. Group 1 (10 patients) underwent bilateral sagittal split ramus osteotomy (BSSRO) only; group 2 (10 patients) underwent BSSRO with genioplasty; and group 3 (10 patients) underwent BSSRO, Le Fort I osteotomy. We measured the lines between the selected upper air way, hyoid bone and tongue landmarks on the lateral cephalometric x-ray films of skeletal class III. The measurements were made preoperation, within 1 week after the operation, 3~6 months after the operation and 1 year after the operation. We compared and analyzed the measurements with matched paired t-test and independent samples t-test. Results: There were no postoperative changes in the nasopharyngeal airway space in group 3. The measurements of group 3 also increased during the follow-up period as compared to the preoperative measurements. In group 1, 2 and 3, the immediate postoperative oropharyngeal and hypopharyngeal airway spaces were decreased. In the following period, the hypopharyngeal airway space returned to the preoperative positions, but the oropharyngeal airway space was not significantly changed. The upper and lower tongue was posteriorly repositioned immediately after the surgery. During the follow-up period, the lower tongue position returned to the preoperative position, and the upper tongue position was not significantly changed. Immediately after the surgery, the B point was moved to the posterior position, and a slight anterior advancement was found in the follow-up period. Conclusion: Patients who received the mandibular setback surgery showed a decrease in the posterior airway space, and those who underwent maxillary advancement showed a significant increase of the nasopharyngeal airway space, which remained stable during the evaluation period. The change of the airway space, position of the hyoid bone and tongue did not differ according to the presence or absence of genioplasty.

• International journal of thyroidology
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• 제11권2호
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• pp.130-136
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• 2018

Background and Objectives: Intraoperative neural monitoring (IONM) of recurrent laryngeal nerve (RLN) in thyroid surgery has been employed worldwide to identify and preserve the nerve as an adjunct to visual identification. The aims of this study was to evaluate the efficacy of IONM and difficulties in the learning curve. Materials and Methods: We studied 63 patients who underwent thyroidectomy with IONM during last 2 years. The standard IONM procedure was performed using NIM 3.0 or C2 Nerve Monitoring System. Patients were divided into two chronological groups based on the success rate of IONM (33 cases in the early period and 30 cases in the late period), and the outcomes were compared between the two groups. Results: Of 63 patients, 32 underwent total thyroidectomy and 31 thyroid lobectomy. Failure of IONM occurred in 9 cases: 8 cases in the early period and 1 case in the late period. Loss of signal occurred in 8 nerves of 82 nerves at risk. The positive predictive value increased from 16.7% in the early period to 50% in the late period. The mean amplitude of the late period was higher than that of the early period (p<0.001). Conclusion: IONM in thyroid surgery is effective to preserve the RLN and to predict postoperative nerve function. However, failure of IONM and high false positive rate can occur in the learning curve, and the learning curve was about 30 cases based on the results of this study.

• Journal of Chest Surgery
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• 제28권3호
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• pp.253-257
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• 1995

Forty-eight patients with significant left main coronary artery obstruction underwent coronary artery bypass graft between September,1989 and September,1993. They consisted of 29 males and 19 females with the mean age of 58 [range 33 - 78 . Seventeen patients[35% had stenosis in left main coronary artery only and twenty-nine[61% had associated lesions in other coronary artery systems as well.Two[4% had isolated left coronary ostial lesion. The operative mortality was 4.17% [2/48 which is comparable to the mortality of overall coronary artery bypass surgery cases during the same period[p >0.05 . Perioperative myocardial infarction was occurred in two patients[4.17% . And the infarction rates between the two groups also showed no difference[p >0.05 . The forty-six survivors showed significant improvement in exercise tolerance as well as symptomatology. We conclude that surgery for left main coronary artery disease can be done with no increased risk through careful anesthesia,surgery, and aggressive postoperative care in the critical period.

• Journal of Chest Surgery
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• 제28권10호
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• pp.946-950
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• 1995

Neurosarcoma is relatively rare, but is seen frequently in association with stigmata of neurofibromatosis ie., Cafe au lait pigmentation and cutaneous neurofibromatosis. Both advanced age and association with neurofibromatosis increase the likelihood of malignant degeneration to neurosarcoma. It also may be dumb bell-shaped with intraspinal extension. Thoracic meningocele is rare and represents a protrusion of the dural sac through an abnormally large or malformed intervertebral foramen. The patient is usually asymptomatic, with evidence of paravertebral mass on the chest rentgenogram. In one operation we removed a "Dumb-bell" neurosarcoma and intrathoracic meningocele in a 52 year old woman using a cervical laminectomy with a trap-door incision. She was discharged at 17 days after the operation with a sequelae of excision of nerve roots C8 and T1. Postoperative radiation therapy was performed during the follow-up period.up period.

• Journal of Chest Surgery
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• 제28권2호
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• pp.166-169
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• 1995

Pneumothorax, a frequently encountered disease in the clinic, has been interesting to surgeons for it`s high recurrence rate. 52 patients with a second attack of pneumothorax at our hospital in a 24 month period were evaluated especially for the risk factors of recurrence. The results were as follows:1. Patients after operative treatment[21 cases There were no postoperative complications and recurrence.2. Patients with tube drainage or conservative treatment [31 cases [i Overall recurrence rate was 45.2 %. [ii Suggestive risk factors for the recurrence were: age above 30 years, short period of thoracostomy less than six days. And other factors such as male, right lung, higher level of lung collapse were thought to be followed further more.

• Investigative Magnetic Resonance Imaging
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• 제26권1호
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• pp.76-81
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• 2022

The number of women undergoing breast augmentation surgery with a prosthesis for cosmetic purposes or reconstruction after a mastectomy is steadily increasing. Hematoma is one of complications associated with breast augmentation surgery. It usually occurs early in the postoperative period. It rarely occurs late (after six months). However, chronic hematomas after prosthesis removal have not yet been reported in the radiological literature. We present a case of unilateral chronic organizing hematoma that developed late and grew persistently over long period after breast explantation, mimicking a soft tissue tumor of the chest wall clinically. Meanwhile, characteristic magnetic resonance imaging features of heterogeneous signal intensities on T1-weighted and T2-weighted images and dark signal intensity with a persistent enhancement of the peripheral wall of the lesion were found. These can be used for a differential diagnosis.