1.Benign Schwannoma of the Esophagus: Surgical experience of two cases.
Joung Hun BYUN ; Sung Dal PARK
The Korean Journal of Thoracic and Cardiovascular Surgery 2005;38(8):589-593
Esophageal schwannoma is very rare and almost of all cases are diagnosed as esophageal submucosal tumor preoperatively. Final diagnosis is made by postoperative immunohistochemical (IHC) staining of the surgical specimen. We experienced two cases of esophageal submucosal tumor, one was 63 year old female suffering from three months of dysphagia and another was 39 year old female complaining of two months of intermittent dysphagia. Two esophageal tumors were completely removed by esophagectomy and enucleation through right thoracotomy respectively. Postoperative IHC staining demonstrated S-100 positive without mitotic figures and confirmative diagnosed was made as benign esopphageal schwannoma.
Adult
;
Deglutition Disorders
;
Diagnosis
;
Esophageal Neoplasms
;
Esophagectomy
;
Esophagus*
;
Female
;
Humans
;
Middle Aged
;
Neurilemmoma*
;
Thoracotomy
2.Femoro-Supragenicular Popliteal Bypass with a Bridging Stent Graft in a Diffusely Diseased Distal Target Popliteal Artery: Alternative to Below-Knee Popliteal Polytetrafluoroethylene Bypass.
Joung Hun BYUN ; Tae Gyu KIM ; Yun Gyu SONG
The Korean Journal of Thoracic and Cardiovascular Surgery 2017;50(5):371-377
BACKGROUND: Lesions in distal target arteries hinder surgical bypass procedures in patients with peripheral arterial occlusive disease. METHODS: Between April 2012 and October 2015, 16 patients (18 limbs) with lifestyle-limiting claudication (n=12) or chronic critical limb ischemia (n=6) underwent femoral–above-knee (AK) polytetrafluoroethylene (PTFE) bypass grafts with a bridging stent graft placement between the distal target popliteal artery and the PTFE graft. Ring-supported PTFE grafts were used in all patients with no available vein for graft material. Follow-up evaluations assessed clinical symptoms, the ankle-brachial index, ultrasonographic imaging and/or computed tomography angiography, the primary patency rate, and complications. RESULTS: All procedures were successful. The mean follow-up was 12.6 months (range, 11 to 14 months), and there were no major complications. The median baseline ankle-brachial index of 0.4 (range, 0.2 to 0.55) significantly increased to 0.8 (range, 0.5 to 1.0) at 12 months (p<0.01). The primary patency rate at 12 months was 83.3%. The presenting symptoms resolved within 2 weeks. CONCLUSION: In AK bypasses with a diffusely diseased distal target popliteal artery or when below-knee (BK) bypass surgery is impossible, this procedure could be clinically effective and safe when used as an alternative to femoral-BK bypass surgery.
Angiography
;
Ankle Brachial Index
;
Arterial Occlusive Diseases
;
Arteries
;
Blood Vessel Prosthesis*
;
Extremities
;
Follow-Up Studies
;
Humans
;
Ischemia
;
Polytetrafluoroethylene*
;
Popliteal Artery*
;
Stents*
;
Transplants
;
Veins
3.Femoro-Supragenicular Popliteal Bypass with a Bridging Stent Graft in a Diffusely Diseased Distal Target Popliteal Artery: Alternative to Below-Knee Popliteal Polytetrafluoroethylene Bypass.
Joung Hun BYUN ; Tae Gyu KIM ; Yun Gyu SONG
The Korean Journal of Thoracic and Cardiovascular Surgery 2017;50(5):371-377
BACKGROUND: Lesions in distal target arteries hinder surgical bypass procedures in patients with peripheral arterial occlusive disease. METHODS: Between April 2012 and October 2015, 16 patients (18 limbs) with lifestyle-limiting claudication (n=12) or chronic critical limb ischemia (n=6) underwent femoral–above-knee (AK) polytetrafluoroethylene (PTFE) bypass grafts with a bridging stent graft placement between the distal target popliteal artery and the PTFE graft. Ring-supported PTFE grafts were used in all patients with no available vein for graft material. Follow-up evaluations assessed clinical symptoms, the ankle-brachial index, ultrasonographic imaging and/or computed tomography angiography, the primary patency rate, and complications. RESULTS: All procedures were successful. The mean follow-up was 12.6 months (range, 11 to 14 months), and there were no major complications. The median baseline ankle-brachial index of 0.4 (range, 0.2 to 0.55) significantly increased to 0.8 (range, 0.5 to 1.0) at 12 months (p<0.01). The primary patency rate at 12 months was 83.3%. The presenting symptoms resolved within 2 weeks. CONCLUSION: In AK bypasses with a diffusely diseased distal target popliteal artery or when below-knee (BK) bypass surgery is impossible, this procedure could be clinically effective and safe when used as an alternative to femoral-BK bypass surgery.
Angiography
;
Ankle Brachial Index
;
Arterial Occlusive Diseases
;
Arteries
;
Blood Vessel Prosthesis*
;
Extremities
;
Follow-Up Studies
;
Humans
;
Ischemia
;
Polytetrafluoroethylene*
;
Popliteal Artery*
;
Stents*
;
Transplants
;
Veins
4.Complete Rupture of Cervical Trachea after Compressed Chest Injury in a Child.
Joung Hun BYUN ; Sungrae CHO ; Seoungho CHO
The Korean Journal of Thoracic and Cardiovascular Surgery 2007;40(4):309-312
Cervical tracheal rupture is one of the rare injuries after blunt chest trauma, and this can be explained by several mechanisms. Early diagnosis and treatment of tracheal rupture after trauma can reduce the mortality and morbidity. We report here on a surgical experienced case of complete rupture of the cervical tracheal that was due to increased intra-tracheal pressure after a compression injury to the chest of an 8 years old child. We also include a review of the literature.
Child*
;
Early Diagnosis
;
Humans
;
Mortality
;
Rupture*
;
Thoracic Injuries*
;
Thorax*
;
Trachea*
5.Spontaneous Intramural Esophageal Dissection Occurred in Middle Aged Woman: One Case Experience.
Joung Hun BYUN ; Sung Rae CHO ; Soung Ho CHO
The Korean Journal of Thoracic and Cardiovascular Surgery 2006;39(7):569-571
Intramural dissection of the esophagus is rare esophageal disorder which has been seen predominantly in women in their seventh or eighth decade and presents as acute chest pain, accompanied by dysphagia. The etiology of this disorder remain uncertain and the diagnosis is made by esophageal endoscopy, contrast esophagography, or both. Patient with this disorder is best managed conservatively with nothing by mouth and intravenous hydration.
Chest Pain
;
Deglutition Disorders
;
Diagnosis
;
Endoscopy
;
Esophageal Diseases
;
Esophagus
;
Female
;
Humans
;
Middle Aged*
;
Mouth
6.Factors Affecting Pneumonia Occurring to Patients with Multiple Rib Fractures.
Joung Hun BYUN ; Han Young KIM
The Korean Journal of Thoracic and Cardiovascular Surgery 2013;46(2):130-134
BACKGROUND: Rib fractures are the most common type of thoracic trauma and cause other complications. We explored the risk factors for pneumonia in patients with multiple rib fractures. MATERIALS AND METHODS: Four hundred and eighteen patients who visited our hospital with multiple rib fractures between January 2002 and December 2008 were retrospectively reviewed. Chest X-rays and chest computed tomography were used to identify injury severity. Patients with only a single rib fracture or who were transferred to another hospital within 2 days were excluded. RESULTS: There were 327 male patients (78%), and the median age was 53 years. The etiologies of the patients' trauma included traffic accidents in 164 cases (39%), falls in 78 cases (19%), slipping and falling in 90 (22%), pedestrian accidents in 30 (7%), industrial accidents in 41 (10%), and assault in 15 (4%). The median number of rib fractures was 4.8. Pulmonary complications including flail chest (2.3%), lung contusion (22%), hemothorax (62%), pneumothorax (31%), and hemopneumothorax (20%) occurred. Chest tubes were inserted into the thoracic cavity in 216 cases (52%), and the median duration of chest tube insertion was 10.26 days. The Injury Severity Score (ISS) and rib score had a median of 15.27 and 6.9, respectively. Pneumonia occurred in 18 cases (4.3%). Of the total cases, 33% of the cases were managed in the intensive care unit (ICU), and the median duration of stay in the ICU was 7.74 days. Antibiotics were administered in 399 patients (95%) for a median of 10.53 days. Antibiotics were used for more than 6 days in 284 patients (68%). The factors affecting pneumonia in patients with multiple rib fractures in multivariate analysis included age (p=0.004), ISS (p<0.001), and rib score (p=0.038). The use of antibiotics was not associated with the occurrence of pneumonia (p=0.28). In-hospital mortality was 5.3% (n=22). CONCLUSION: The factors affecting risk of pneumonia in patients with multiple rib fractures included age (p=0.004), ISS (p<0.001), and rib score (p=0.038). Elderly patients with multiple traumas have a high risk of pneumonia and should be treated accordingly.
Accidents, Occupational
;
Accidents, Traffic
;
Aged
;
Anti-Bacterial Agents
;
Chest Tubes
;
Contusions
;
Flail Chest
;
Hemopneumothorax
;
Hemothorax
;
Hospital Mortality
;
Humans
;
Injury Severity Score
;
Intensive Care Units
;
Lung
;
Male
;
Multiple Trauma
;
Multivariate Analysis
;
Pneumonia
;
Pneumothorax
;
Retrospective Studies
;
Rib Fractures
;
Ribs
;
Risk Factors
;
Thoracic Cavity
;
Thorax
7.Pleuropulmonary Blastoma in an Adult: Surgical Experience of One Case.
Jong In KIM ; Sung Rae CHO ; Seong Ho CHO ; Joung Hun BYUN ; Hae Young LEE ; Hee Kyung JANG
The Korean Journal of Thoracic and Cardiovascular Surgery 2004;37(11):959-962
Pleuropulmonary blastoma is a rare malignant neoplasm which originates from either the lungs or pleura. Pleuropulmonary blastoma usually develops in the first decade of life, mostly younger than 5 years old and shows aggressive biological behavior. Pleuropulmonary blastoma is discriminated from classic pulmonary blastoma of adulthood by its morphological features like primitive mesenchymal and sarcomatous component without carcinomatous portions. To our knowledge, report of pleuropulmonary blastoma in adulthood is very rare. Our case support the possibility that primitive neoplasm recognized as pediatric tumors can develop in adulthood. We report a case of surgical experience of pleuropulmonary blastoma which developed in 21 years old man with literature review.
Adult*
;
Child, Preschool
;
Humans
;
Lung
;
Pleura
;
Pleural Neoplasms
;
Pulmonary Blastoma
;
Young Adult
8.Removal of Kirschner Wire That Migrated from the Pelvic Bone into the Right Ventricle of the Heart.
Ji Eon KIM ; Sung Ho JUNG ; Won Chul CHO ; Joung Hun BYUN
The Korean Journal of Thoracic and Cardiovascular Surgery 2011;44(3):250-252
A sixty-year-old man was admitted due to chest pain. He had a history of pelvic bone fracture fixation with Kirschner wire about 20 years earlier. On examination, we detected a Kirschner wire that had migrated into the right ventricle. Without cardiopulmonary bypass, we removed the migrating Kirschner wire via median sternotomy. The patient recovered without complications and was discharged on the 5th postoperative day.
Cardiopulmonary Bypass
;
Chest Pain
;
Foreign Bodies
;
Fracture Fixation
;
Heart
;
Heart Ventricles
;
Humans
;
Pelvic Bones
;
Sternotomy
10.Expression of Hypoxia-inducible Factor-1alpha in Non-small Cell Lung Cancer: Relationship to Prognosis and Tumor Biomarkers.
Sung Rae CHO ; Joung Hun BYUN ; Jong In KIM ; Bong Geun LEE ; Bong Kwon CHUN
The Korean Journal of Thoracic and Cardiovascular Surgery 2006;39(11):828-837
BACKGROUND: Tissue hypoxia is characteristic of many human malignant neoplasm, and hypoxia inducible factor-1 (HIF-1) plays a pivotal role in essential adaptive response to hypoxia, and activates a signal pathway for the expression of the hypoxia-regulated genes, resulting in increasing O2 delivery or facilitating metabolic adaptation to hypoxia. Increased level of HIF-1alpha has been reported in many human malignancies, but in non-small cell lung carcinoma the influence of HIF-1alpha on tumor biology, including neovascularization, is not still defined. In present study the relationship of HIF-1alpha expression on angiogenetic factors, relationship between the tumor proliferation and HIF-1alpha expression, interaction of HIF-1alpha expression and p53, and relationship between HIF-1alpha expression and clinico-pathological prognostic parameters were investigated. MATERIAL AND METHOD: Archival tissue blocks recruited in this study were retrieved from fifty-nine patients with primary non-small cell lung carcinoma, who underwent pneumonectomy or lobectomy from 1997 to 1999. HIF-1alpha, VEGF (vascular endothelial growth factor), and p53 protein expression and Ki-67 labeling index in tumor tissues were evaluated, using a standard avidin-biotin-peroxidase complex (ABC) immunohistochemistry. Relationship between the HIF-1alpha expression and VEGF, p53 overexpression and correlation between the HIF-1alpha expresseion and Ki-67 index were analyzed. Clinico-pathologic prognostic parameters were also analyzed. RESULT: HIF-1alpha expression in cancer cells was found in 24 of 59 cases of non-small cell lung carcinoma (40.7%). High HIF-1alpha expression was significantly associated with several pathological parameters, such as pathological TMN stage (p=0.004), pT stage (p=0.020), pN stage (p=0.029), and lymphovascular invasion (p=0.019). High HIF-1alpha expression was also significantly associated with VEGF immunoreactivity (p<0.001), and aberrant p53 expression (p=0.040). but was marginally associated with Ki-67 labeling index (p=0.092). The overall 5-year survival rate was 42.3%. The survival curve of patients with a high HIF-1alpha expression was worse than that of patients with low-expression (p=0.002). High HIF-1alpha expression was independent unfavorable factors with a marginal significance in multivariate analysis performed by Cox regression. CONCLUSION: It is suggested that high HIF-1alpha expression may be associated with intratumoral neovascularization possibly through HIF-VEGF pathway, and high HIF-1alpha expression could be associated with lymph node metastasis and post operative poor prognosis in patients with non-small cell lung ca
Anoxia
;
Biomarkers*
;
Biology
;
Carcinoma, Non-Small-Cell Lung*
;
Humans
;
Immunohistochemistry
;
Lung
;
Lymph Nodes
;
Multivariate Analysis
;
Neoplasm Metastasis
;
Neoplasm Proteins
;
Pneumonectomy
;
Prognosis*
;
Signal Transduction
;
Survival Rate
;
Vascular Endothelial Growth Factor A