PURPOSE: The aims of this review were to evaluate the usefulness of arthroscopy and to study of different types of knee pathology in children under 15 years old. MATERIALS AND METHODS: From January 1980 to January 2000, we retrospectively reviewed and analyzed 31 children (38 knees) under 15 years old, were performed arthroscopy at our department The use-fulness of arthroscopy was assessed by relating the prearthroscopic diagnosis to the intraarthroscopic findings. The procedure was classified as "not useful "when no additional information was obtained, "useful "when a doubtful diagnosis was confirmed and additional information was obtained, and "very useful "when a totally different diagnosis was reached and the cases of internal derangement. RESULTS: Total 46 lesions of 38 knees were found in arthroscopic finding. Most frequent pathology was meniscal lesions (26 cases), next were ligament injury (6 cases). Arthroscopy was found to be very useful, useful, not useful in 40%, 16%, 44%, respectively of children. CONCLUSION: In this study, the most common arthroscopic findings are meniscal lesions (57%). 56% of all cases were classified as useful and very useful. Overall, arthroscopy is an effective diagnostic and therapeutic tool that can be used safely in children.
Adolescent ; Arthroscopy* ; Child* ; Diagnosis ; Humans ; Knee* ; Ligaments ; Pathology ; Retrospective Studies

OBJECTIVE: To evaluate the usefulness of serum CA 125, CA 19-9, and eosinophil as biological markers for the diagnosis and recurrence of endometriosis. METHODS: One hundred seventeen patients who underwent operations for endometriosis between January 2000 and December 2006 at our department were included. A total of 50 reproductive aged women who visited our health care center were the control group. Data on serum level of CA 125, CA 19-9, and eosinophil was collected. Patients symptoms, sonographic findings, stage, treatment, recurrence were also collected. Venous blood sampling was performed 1 month before operation and 1 to 6 months after operation. We analyzed the serum level of CA 125, CA 19-9, and eosinophil according to the endometriosis stage and symptoms. We also analyzed the differences between preoperative and postoperative serum marker levels. RESULTS: The serum level of CA 125 and CA 19-9 was available in 88 patients and 45 patients, respectively. The mean eosinophil count was significantly lower in endometriosis group than in control group. In comparison between preoperative values and postoperative values, the CA 125 and CA 19-9 level showed significant reduction (P<0.05), however the eosinophil level showed no difference. The positive rate of serum CA 125 and CA 19-9 were 68.9% and 60.0% as a single test, whereas the combined positive rate of CA 125 and CA 19-9 was 82.2%. CONCLUSION: For the diagnosis and follow-up of endometriosis, serum CA 125 and CA 19-9 combination test will be valuable. Serum eosinophil count seems to be unsuitable for the screening and follow up test of endometriosis.
Aged ; Biomarkers ; Delivery of Health Care ; Endometriosis ; Eosinophils ; Female ; Follow-Up Studies ; Humans ; Mass Screening ; Recurrence

Tracheal rupture is a rare complication of tracheal intubation, but may result in pneumothorax, mediastinal emphysema, subcutaneous emphysema and other serious outcomes. Risk factors associated with tracheobronchial rupture include multiple vigorous attempts at intubation, inexperienced operator, intubating stylets, tracheal abnormalities, overdistension of tracheal or bronchial cuff, repositioning of tube without deflating the cuff, chronic obstructive airway disease and vigorous coughing while being intubated. We report a case of tracheal rupture after using single lumen endotracheal tube. A 41-year-old, 53 kg, female was operated for a repair of anterior cruciate ligament under general anesthesia in other hospital. Two hours later after the end of operation, facial swelling, dyspnea and chest pain developed. Chest computed tomography showed mediastinal emphysema. She was transferred to our hospital and bronchoscopy showed a rupture at posterior part of membranous portion 2 cm proximal to carina. Trachea was repaired and she was discharged from the hospital without complication.
Adult ; Anesthesia, General ; Anterior Cruciate Ligament ; Bronchoscopy ; Chest Pain ; Cough ; Dyspnea ; Emphysema ; Female ; Humans ; Intubation ; Mediastinal Emphysema ; Pneumothorax ; Pulmonary Disease, Chronic Obstructive ; Risk Factors ; Rupture* ; Subcutaneous Emphysema ; Thorax ; Trachea

Multilocular thymic cyst (MTC) has been reported to develop in concert with various mediastinal neoplasms that have intrinsic inflammatory components, such as thymoma, thymic carcinoma, Hodgkin's disease, and seminoma. However, development of mediastinal teratoma without intrinsic inflammation in association with MTC has rarely been reported. Here, we report the findings of a case of MTC associated with mediastinal mature cystic teratoma on computed tomography (CT) with CT-histopathologic correlation.
Hodgkin Disease ; Inflammation ; Mediastinal Cyst* ; Mediastinal Neoplasms ; Mediastinum ; Seminoma ; Teratoma* ; Thymoma

Multilocular thymic cyst (MTC) has been reported to develop in concert with various mediastinal neoplasms that have intrinsic inflammatory components, such as thymoma, thymic carcinoma, Hodgkin's disease, and seminoma. However, development of mediastinal teratoma without intrinsic inflammation in association with MTC has rarely been reported. Here, we report the findings of a case of MTC associated with mediastinal mature cystic teratoma on computed tomography (CT) with CT-histopathologic correlation.
Hodgkin Disease ; Inflammation ; Mediastinal Cyst* ; Mediastinal Neoplasms ; Mediastinum ; Seminoma ; Teratoma* ; Thymoma

Background: This study aimed to evaluate the diagnostic performance of the STANDARD F Influenza A/B FIA test (SD Biosensor Inc., Korea) for the rapid detection of influenza A virus in comparison with the Sofia Influenza A+B FIA (Quidel Corp., USA) and SD BIOLINE Influenza Ag A/B/A(H1N1) (Standard Diagnostic, Inc., Korea) tests. Methods: A total of 227 non-duplicated nasopharyngeal aspirates submitted for real-time RT-PCR analysis were included in the study. We used the three commercial tests in remnant samples from routine assays, according to the manufacturer’s instructions. We analyzed the diagnostic performance, including sensitivity and specificity, of the three tests. Results: Real-time RT-PCR analysis showed that 67 (29.5%) samples were positive and 160 (70.5%) were negative for influenza A virus, and that all the specimens were negative for influenza B. The overall sensitivity and specificity for influenza A virus detection were 50.7% and 100% for the STANDARD F, 50.7% and 100% for the Sofia, and 29.9% and 100% for the SD BIOLINE tests, respectively. The STANDARD F and SD BIOLINE tests showed negative results for influenza B virus in all specimens, whereas the Sofia test showed two false-positive results. Conclusion The STANDARD F Influenza A/B test showed a good diagnostic performance and may be useful for the rapid diagnosis of influenza A.

In this study, the antibacterial effect was evaluated to determine the benefits of high speed drying (HSD) and far-infrared radiation drying (FIR) compared to the freeze drying (FD) method. Citrus press-cakes (CPCs) are released as a by-product in the citrus processing industry. Previous studies have shown that the HSD and FIR drying methods are much more economical for drying time and mass drying than those of FD, even though FD is the most qualified drying method. The disk diffusion assay was conducted, and the minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) were determined with methanol extracts of the dried CPCs against 11 fish and five food-related pathogenic bacteria. The disk diffusion results indicated that the CPCs dried by HSD, FIR, and FD prevented growth of all tested bacteria almost identically. The MIC and MBC results showed a range from 0.5-8.0 mg/mL and 1.0-16.0 mg/mL respectively. Scanning electron microscopy indicated that the extracts changed the morphology of the bacteria cell wall, leading to destruction. These results suggest that CPCs dried by HSD and FIR showed strong antibacterial activity against pathogenic bacteria and are more useful drying methods than that of the classic FD method in CPCs utilization.
Bacteria ; Cell Wall ; Citrus ; Diffusion ; Freeze Drying ; Methanol ; Microbial Sensitivity Tests ; Microscopy, Electron, Scanning

PURPOSE: This study was designed to review the clinical outcome of infants who underwent tracheostomy in the neonatal intensive care unit (NICU) of a single center in Korea during 16 years. METHODS: We retrospectively reviewed medical records of 33 patients who underwent tracheostomy in NICU of Samsung Medical Center between January, 1997 and December, 2013. We collected data on timing, indications, clinical outcomes, and complications of tracheostomy in the study patients. We also compared these variables with those in another single center study (study A) recently showing the outcome of infants who underwent tracheostomy in a NICU of USA during 10 years. RESULTS: The median gestational age and birth weight of the study patients were 35 weeks, and 3,200 g, respectively. Gestational age of the study patients was greater than that of study A (35 weeks vs. 27 weeks). The most common indication for tracheostomy was airway disease (69.7%) in our study. Bronchopulmonary dysplasia (9%) was less frequent indication for tracheostomy in our study when compared with in the study A (41%). Granuloma formation was the most common complication of tracheostomy (48%) and decannulation was accomplished in nine patients (27.3%). Although the mortality rate was 12.1%, no patient died from tracheostomy-related complications. CONCLUSION: Main causes of tracheostomy in our NICU are airway problems and neuromuscular diseases rather than bronchopulmonary dysplasia itself. For better clarification of clinical courses and outcomes related to tracheostomy performed in NICU in Korea, further study in a larger population will be needed.
Birth Weight ; Bronchopulmonary Dysplasia ; Gestational Age ; Granuloma ; Humans ; Infant* ; Infant, Newborn ; Intensive Care, Neonatal* ; Korea ; Medical Records ; Mortality ; Neuromuscular Diseases ; Retrospective Studies ; Tracheostomy*

Cardiac trauma from penetrating chest injury is a life-threatening condition. It was reported that < 10% of patients arrives at the emergency department alive. Penetrating chest injury can cause serious damage in more than 1 cardiac structure, including myocardial lacerations, ventricular septal defect (VSD), fistula between aorta and right cardiac chamber and valves. The presence of pericardial effusion (even a small amount) on the initial echocardiography might be the only clue to serious cardiac damage in the absence of definite evidence of anatomical defect in heart. We here present a case, in which clear diagnosis of VSD and pseudoaneurysmal formation was delayed a few days after penetrating chest injury due to the lack of anatomical evidence of damage.
Aneurysm, False ; Aorta ; Delayed Diagnosis ; Echocardiography ; Emergencies ; Fistula ; Heart ; Heart Septal Defects, Ventricular ; Humans ; Lacerations ; Pericardial Effusion ; Thoracic Injuries ; Thorax

Ureteroscopy has been used widely to remove ureteral calculi, especially distal ureter stones. Also extracorporeal shock wave lithotripsy (ESWL) has widened its applicability to ureter stones including distal ureter stones. In this study we tried to evaluate the exact role of ureteroscopic manipulation to get rid of ureter stones in the era of ESWL. Success rates and complications of 111 ureteroscopic stone removal procedures performed from December 1986 to May 1995 and those of another 369 patients managed with ESWL from May 1989 to May 1995 were analyzed. Success was defined as complete removal of the stones or residual stones less than 2 mm, immediate postoperatively in ureteroscopic manipulation and 2 weeks after ESWL. The success rate of the ureteroscopic manipulation was 38.9% (7/18), 46.2% (6/13) and 67.5% (54/80) in upper, middle and lower ureter stones, respectively. According to the size of the stone, success rate was 72.4% (21/29), 63.5% (40/63) and 14.3% (9/63) when it was less than 5 mm, 6 to 10 mm and larger than 10 mm. So the overall immediate postoperative success rate of ureteroscopic stone removal was 60.4%, and in another 8.9% of the patients the residual fragmented stones were expelled spontaneously in one month after the procedure. Complications were found in 9.9% of the procedures, including 5 mucosal avulsions and 2 ureteral strictures Success rate of the single session of ESWL was 64% without any differences regardless of the location of the stones in ureter, and it increased up to 88% when another 2 more sessions were tried. Success rate of the single session of ESWL according to the size of the stone was 91.7% (22/24), 67.9% (144/215) and 53.89S (70/130) in stones less than 5 mm, 6 to 10 mm and more than 10 mm, respectively. Complications were found in 3.4% of the patients, including 1.7% of steinstrasse and 1.4% of severe nausea and vomiting. From these observations we can conclude that it seems to be mandatory to renovate the indications of the ureteroscopic stone removal procedures in the era of ESWL.
Constriction, Pathologic ; Humans ; Lithotripsy ; Nausea ; Shock ; Ureter* ; Ureteral Calculi* ; Ureteroscopy ; Vomiting