1.A clinical analysis of neurilemmoma originated from the head and neck.
Young Mook LIM ; Si Young WON ; Ki Sang RHA ; Jang Yoorl YOO ; Chan Il PARK
Korean Journal of Otolaryngology - Head and Neck Surgery 1991;34(4):769-774
No abstract available.
Head*
;
Neck*
;
Neurilemmoma*
2.A Case of Nonsurgical Retrieval of Foreign Body from Rt. Atrium.
Si Young LIM ; Young Man JHOO ; Young Chul PARK ; Man Ho LEE ; Sang Jong LEE ; Chin Woo IMM
Korean Circulation Journal 1990;20(2):271-275
Since Thomas et al reported the first instance of successful removal of a broken intravascular guidewire without surgical intervention by using a bronchoscopic forceps in 1964, there have been a number of nonsurgical removal of intravascular or intracardiac foreign bodies using the bronchoscopic forceps, loop snare or basket stone catchers. We experienced a successful retrieval of accidentally broken subclavian puncture catheter from right atrium in 76 year old male patient with cerebral infarction admitted to this hospital on May, 1989. By percutaneous catheterization via right basilic vein, using a loop snare which is modified manually by guidewire for PTCA(USIC(R) Teflon coated PTCA Guide wire : ".014"), we removed successfully foreign body from right atrium. Therefore, we report a case of nonsurgical retrieval of foreign body from right atrium with the review of the literature.
Aged
;
Catheterization
;
Catheters
;
Cerebral Infarction
;
Foreign Bodies*
;
Heart Atria
;
Humans
;
Male
;
Ocimum basilicum
;
Polytetrafluoroethylene
;
Punctures
;
SNARE Proteins
;
Surgical Instruments
;
Veins
3.Drug induced Pulmonary Edema.
Si Han SUNG ; Hye Young JANG ; Hoon LIM
Journal of The Korean Society of Clinical Toxicology 2010;8(2):113-121
PURPOSE: Drug-induced non-cardiogenic pulmonary edema has been reported on in a drug case series. For most of the agents that cause pulmonary edema, the pathogenic mechanisms that are responsible for the pulmonary edema remain unknown. We report here on the cases of suspected drug-induced pulmonary edema and we analyze the clinical characteristics. METHODS: We reviewed the medical records of 1,345 patients who had drug adverse effects and drug poisoning from January 2005 to July 2010, and 480 of these patients were admitted to the EM Department. Among them, 17 patients developed abnormal chest radiological findings and they were analyzed for any clinical characteristics, the initial symptoms, securing the airway and the clinical results. RESULTS: Seventeen patients out of 480 (3.54%) developed drug-induced abnormal chest radiographic pulmonary edema; they displayed initial symptoms that included mental change (41.2%), dyspnea (17.6%), vomiting (11.8%), etc, and some displayed no symptoms at all (11.8%). Only 3 patients out of the 11 who died or had severe pulmonary edema were able to obtain an advanced airway prior to their arrival to the EM Department. Clinical recovery was generally rapid and this was mostly completed within 6 hours. The mortality rate was 11.8% (2 of 17 patients), and the causative drugs were found to be propofol (35.3%, 6 of 17 patients), multiple drugs (41.2% or 7 out of 17) and one patient each with ephedrine, ethylene glycol, doxylamine and an unknown drug, respectively. CONCLUSION: Drug-induced pulmonary edema and deaths are not uncommon, and recovery is typically rapid with few long-term sequelae when drug administration is discontinued. Oxygen therapy and securing the airway must be performed during transportation for patients with pulmonary edema.
Doxylamine
;
Dyspnea
;
Ephedrine
;
Ethylene Glycol
;
Ethylenes
;
Humans
;
Medical Records
;
Oxygen
;
Propofol
;
Pulmonary Edema
;
Thorax
;
Transportation
;
Vomiting
4.Differential effects of Fas cross-linking on phospholipase D activation and related lipid metabolism in Fas-resistant A20 cells..
Si Young LIM ; Sung Chang LEE ; In Cheol SHIN ; Joong Soo HAN
Experimental & Molecular Medicine 2002;34(3):201-210
A20 murine lymphoma cells undergoing Fas-mediated apoptosis showed increase in the activity of phospholipase D (PLD), which is involved in proliferative or mitogenic cellular responses. Using A20 cell lines that were resistant to Fas-induced apoptosis, we investigated the differential effects of Fas cross-linking on PLD activity and sphingolipid metabolism. The basal PLD activities in all of the selected three Fas-resistant clones (#5, #8, and #11) were about 2~4 folds higher than that of wild type A20 cells. Among the PLD isoforms, PLD2 expression was increased in all of the selected Fas-resistant clones. The Fas downstream signaling events triggered by Fas cross-linking, including the activations of PLD, phosphatidy-lcholine-specific phospholipase C (PC-PLC), sphingomyelinase (SMase), the increase in diacylglycerol (DAG) and protein phosphorylation levels, and the translocation of protein kinase C to membrane were not changed in both of Fas-resistant clone #5 and #8. In contrast, Fas cross-linking stimulated the activity of PLD, PC-PLC, and SMase, translocation of PKC, and protein phosphorylation in Fas-resistant clone #11, similar to that of wild type cells. We also found that clone #11 had a different Fas sequence encoding Fas B which has been known to inhibit Fas-induced apoptosis. These findings suggest that increased PLD2 expression resulting in increased basal PLD activity and the blockade of Fas downstream signaling cascades may be involved to limit apoptosis induced by Fas cross-linking.
Animals
;
Antibodies, Monoclonal/immunology/pharmacology
;
Antigens, CD95/immunology/*metabolism
;
Base Sequence
;
Carrier Proteins/metabolism
;
Clone Cells
;
Cross-Linking Reagents/pharmacology
;
Diglycerides/metabolism
;
Enzyme Activation/drug effects
;
Lipids/*metabolism
;
Mice
;
Molecular Sequence Data
;
Phospholipase D/*metabolism
;
Phosphorylation/drug effects
;
Protein Kinase C/metabolism
;
*Signal Transduction/drug effects
;
Sphingomyelin Phosphodiesterase/metabolism
;
Tumor Cells, Cultured
5.Epidemiological Investigation on an Outbreak of Enterotoxigenic E. coli among the Baseball Club Students of High School in Ulsan City, 2014.
Young Eun KANG ; Hyun Sul LIM ; Kwan LEE ; Byung Seok KIM
Journal of Agricultural Medicine & Community Health 2015;40(2):53-61
OBJECTIVES: An outbreak of food poisoning occurred among the baseball club students at a high school in Ulsan city in 2014. An epidemiological investigation was carried out to examine the infection source and the transmission route of pathogen, and to prevent a recurrence. METHODS: A questionnaire survey was conducted for 26 male students and 2 food handlers. Rectal swabs were examined in 7 students and the 2 food handlers, and an environmental investigation was performed. A retrospective cohort study was used to evaluate the association between risk factors and disease. RESULTS: The attack rate was 35.7% (10 persons/28 persons) from June 9 to 14, and Enterotoxigenic E. coli ST/LT was isolated from 7 among 28 persons. The study revealed that no food was a significant risk factor for the outbreak. There were no connection between environmental factors and the outbreak. CONCLUSIONS: The major risk factors for this outbreak were presumed to be the contaminated ice cube and ice making machines and eating ice cube from the machines. More strict personal and environmental hygiene need to be enforced to prevent such outbreaks.
Baseball*
;
Cohort Studies
;
Disease Outbreaks
;
Eating
;
Enterotoxigenic Escherichia coli*
;
Food Contamination
;
Foodborne Diseases
;
Humans
;
Hygiene
;
Ice
;
Male
;
Recurrence
;
Retrospective Studies
;
Risk Factors
;
Ulsan
;
Surveys and Questionnaires
6.Endoscopic Fine Needle Aspiration Cytology in the Diagnosis of Upper Gastrointestinal Malignancies.
Jin Yi CHUNG ; Jae Bock CHUNG ; Si Young SONG ; Hyun Seung SHIN ; Young Myung MOON ; Jin Kyung KANG ; In Suh PARK ; Hyun Yi LIM ; Chan Il PARK
Korean Journal of Gastrointestinal Endoscopy 1993;13(2):341-345
The endoscopic fine needle aspiration cytology may add to the diagnostic accuracy of endoscopic biopsy and brush cytology. It is also of particular value in submucosal, infiltrative and ulceronecrotic tumors. Endoscopic fine needle aspiration cytology was done with sclerotherapy needle(23 gauge) in. the 17 patients with submucosal tumor(18 cases), extrinsic compression(2 cases), infiltrative gastric cancer(one case) and cancer of the ampulla of Vater(one case) on the upper gastrointestinal endoscopy. Endoscopic fine needle aspiration cytology established the diagnosis in 6 cases(submucosal tumor of the stomach; 2 cases, submucosal tumor of the duodenum; one case, extrinsic mass of the duodenum; one case, infiltrative cancer of the stomach; one case, and the cancer of ampulla of Vater; one case) of 17 cases. There were negative results for malignancy in 7 cases and material insufficiency in 4 cases. Five cases of the positive results with endoscopic fine needle aspiration cytology were not diagnosed with endoscopic forceps biopsies. There was no complication. We conclude that endoscopic fine needle aspiration cytology is a simple and safe technique and is of particular value in submucosal tumor, extrinsic compression of the upper gastrointestinal tract by tumor, and infiltrative gastric cancer.
Ampulla of Vater
;
Biopsy
;
Biopsy, Fine-Needle*
;
Diagnosis*
;
Duodenum
;
Endoscopy, Gastrointestinal
;
Humans
;
Sclerotherapy
;
Stomach
;
Stomach Neoplasms
;
Surgical Instruments
;
Upper Gastrointestinal Tract
7.Validation of the Osteomyelitis Induced by Methicillin-Resistant Staphylococcus aureus (MRSA) on Rat Model with Calvaria Defect
Young Suk CHOI ; Dae Sung HAM ; Ji Yun LIM ; Young Koo LEE
Tissue Engineering and Regenerative Medicine 2021;18(4):671-683
Background:
Osteomyelitis resulting from bacterial strains, such as methicillin-resistant Staphylococcus aureus (MRSA) that are resistant to multiple drugs, brings further clinical challenges. There is currently no model of osteomyelitis induced by MRSA using rats with calvaria defects. So, We induced osteomyelitis in rat models with the calvaria bone defect.
Methods:
The rats were randomly divided into six groups according to inoculation dose levels, which ranged from 6 × 100 to 6 × 105 CFU/5 µl. Bone tissues were retrieved from all rats used in the study and assessed using histology, microbiology, and radiobiology 4 weeks after surgery to evaluate the relationship between inoculation dose and infectivity.
Results:
In Histological results, high levels of inflammatory responses, bone necrosis, and bacteria were observed in treatment groups G3 to G5. In IHC staining, high levels of cox-2 expression were observed in treatment groups G3. Microbiological observations also indicated that significantly higher numbers of CFUs were found in G3 to G5. In radiography results, the bone mineral density in G3 to G5 was significantly higher than in the control group, G1, and G2. Our results indicate that an inoculating dose of 6 × 103 CFU/5 μl is sufficient to induce the development of osteomyelitis in rat models.
Conclusion
This study suggests that the minimum dose (6 × 103CFU/5 µl) can induce osteomyelitis in calvaria rat model. This can offer information and ability of more accurately modeling osteomyelitis and simulating the challenge of osteomyelitis treat.
8.Validation of the Osteomyelitis Induced by Methicillin-Resistant Staphylococcus aureus (MRSA) on Rat Model with Calvaria Defect
Young Suk CHOI ; Dae Sung HAM ; Ji Yun LIM ; Young Koo LEE
Tissue Engineering and Regenerative Medicine 2021;18(4):671-683
Background:
Osteomyelitis resulting from bacterial strains, such as methicillin-resistant Staphylococcus aureus (MRSA) that are resistant to multiple drugs, brings further clinical challenges. There is currently no model of osteomyelitis induced by MRSA using rats with calvaria defects. So, We induced osteomyelitis in rat models with the calvaria bone defect.
Methods:
The rats were randomly divided into six groups according to inoculation dose levels, which ranged from 6 × 100 to 6 × 105 CFU/5 µl. Bone tissues were retrieved from all rats used in the study and assessed using histology, microbiology, and radiobiology 4 weeks after surgery to evaluate the relationship between inoculation dose and infectivity.
Results:
In Histological results, high levels of inflammatory responses, bone necrosis, and bacteria were observed in treatment groups G3 to G5. In IHC staining, high levels of cox-2 expression were observed in treatment groups G3. Microbiological observations also indicated that significantly higher numbers of CFUs were found in G3 to G5. In radiography results, the bone mineral density in G3 to G5 was significantly higher than in the control group, G1, and G2. Our results indicate that an inoculating dose of 6 × 103 CFU/5 μl is sufficient to induce the development of osteomyelitis in rat models.
Conclusion
This study suggests that the minimum dose (6 × 103CFU/5 µl) can induce osteomyelitis in calvaria rat model. This can offer information and ability of more accurately modeling osteomyelitis and simulating the challenge of osteomyelitis treat.
9.A Case of Monophasic Fibrous Synovial Sarcoma Confirmed Primary Pulmonary Origin by 18F-FDG PET/CT.
Eun A LEE ; Do Young LEE ; Hyon Joo KWAG ; Min Kyung KIM ; Tae Yun OH ; Si Young LIM ; Seong Yong LIM
Tuberculosis and Respiratory Diseases 2006;60(6):673-677
Most malignant mesenchymal tumors of the lung are metastases of a primary tumor from elsewhere in the body. A primary pulmonary synovial sarcoma is a very rare neoplasm that accounts for approximately 10% of soft tissue sarcomas and makes up only 0.5% of all primary lung malignancies. We report a case of a primary pulmonary synovial sarcoma in a 60-year old woman. In this case, a lung metastasis was excluded using 18F-FDG PET /CT imaging.
Female
;
Fluorodeoxyglucose F18*
;
Humans
;
Lung
;
Middle Aged
;
Neoplasm Metastasis
;
Positron-Emission Tomography and Computed Tomography*
;
Sarcoma
;
Sarcoma, Synovial*
10.A case of pulmonary epithelioid hemangioendothelioma.
Sang Hoon KIM ; Dae Jung SHIM ; Won Tae SEO ; Si Young LIM ; Seung Sei LEE ; Shin Ho KOOK ; Joo Seob KEUM ; Tae Yoon OH ; Woon Ha CHANG
Korean Journal of Medicine 1999;57(1):108-113
Epithelioid hemangioendothelioma(EH) is a rare vascular tumor of low-grade malignancy. It was previously described as intravascular bronchioloalveolar tumor (IVBAT). But electron microscopic study and immunohistochemical staining results have proved endothelial origin. Patients are usually asymptomatic and the tumors are found incidentally on routine chest X-rays. Most patients show a slowly progressive clinical course, even though some patients occasionally die as results of respiratory failure or extrathoracic complications. Confirmative diagnosis is made through thoracoscopic or open-lung biopsy. There is still no effective therapeutic modality for pulmonary EH. We have experienced a 55-year-old woman whose simple chest x-ray film revealed bilateral multiple small nodules. The nodules were histopathologically and immunohistochemically diagnosed as primary epithelioid hemangioendothelioma of the lung. The possibility of metastatic disease was excluded thorough clinical, laboratory and radiological studies. Comparison of radiographic chest film taken 3 years ago showed no significant progression of the pulmonary nodular lesions. Conservative management was instituted and careful 4 months follow-up showed no significant changes.
Biopsy
;
Diagnosis
;
Female
;
Follow-Up Studies
;
Hemangioendothelioma, Epithelioid*
;
Humans
;
Lung
;
Middle Aged
;
Respiratory Insufficiency
;
Thorax
;
X-Ray Film