1.A Case of Benign Schwannoma in the Ascending Colon.
Yang Won MIN ; Young Ho KIM ; Hwan Sic YUN ; Jae Sook KIL ; Young Chan KIM ; Seong Hyeon YUN ; Kyoung Mee KIM ; Jae J KIM
The Korean Journal of Gastroenterology 2007;50(6):398-401
Schwannomas are rare tumors derived from the cells of Schwann which form the neural sheath. Some patients with gastrointestinal schwannoma have been previously reported in the literature. However, schwannomas of the colon are extremely rare. We herein describe a case of schwannoma of the colon. A 49-year-old woman was admitted with complaint of abdominal pain and investigations revealed the presence of a 4 cm sized mass in the ascending colon. Following right hemicolectomy, histopathology and immunohistochemistry confirmed the colonic lesion to be a benign schwannoma. There was no evidence of specific complication or recurrence until now.
Colon, Ascending/*pathology
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Colonic Neoplasms/*diagnosis/pathology/ultrasonography
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Female
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Humans
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Middle Aged
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Neurilemmoma/*diagnosis/pathology/ultrasonography
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S100 Proteins/analysis/immunology
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Tomography, X-Ray Computed
2.General anesthesia for cesarean section in a patient with multiple sclerosis: A case report.
Yun Sic BANG ; Kum Hee CHUNG ; Seok Hwan CHOI ; Duk Hee CHUN ; Minsung KIM ; Hyeonjeong YANG ; Ji Eun SONG ; Jong Yeon LEE
Anesthesia and Pain Medicine 2012;7(2):178-180
A 34-year-old female with multiple sclerosis (MS) was scheduled Cesarean section. She had been suffering from MS for 10 years and the symptoms of MS were paraplegia and urinary incontinence. After informed consent, anesthesia was induced with propofol and maintained with nitrous oxide, sevoflurane and fentanyl. Rocuronium was used for muscle relaxation and tracheal intubation. Train of four (TOF) ratio and bispectral index scale were monitored for adequate muscle relaxation and depth of anesthesia. She gave birth to a baby within 7 minutes after skin incision. When operation was over, TOF ratio was 0.8. She emerged from general anesthesia smoothly and was extubated. There was no febrile event or exacerbation of MS after Cesarean section under general anesthesia. We report a safe anesthetic management of the parturient with MS, using sevoflurane.
Adult
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Androstanols
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Anesthesia
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Anesthesia, General
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Cesarean Section
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Female
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Fentanyl
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Humans
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Informed Consent
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Intubation
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Methyl Ethers
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Multiple Sclerosis
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Muscle Relaxation
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Nitrous Oxide
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Paraplegia
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Parturition
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Pregnancy
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Propofol
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Skin
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Stress, Psychological
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Urinary Incontinence
3.Prophylactic Pancreatic Stent Placement for Endoscopic Duodenal Ampullectomy: A Single-Center Retrospective Study.
Woo Ik CHANG ; Yang Won MIN ; Hwan Sic YUN ; Kwang Hyuck LEE ; Jong Kyun LEE ; Kyu Taek LEE ; Poong Lyul RHEE
Gut and Liver 2014;8(3):306-312
BACKGROUND/AIMS: We investigated the efficacy of prophylactic pancreatic stent placement for preventing postprocedure pancreatitis in patients undergoing endoscopic papillectomy. METHODS: This retrospective study included 82 consecutive patients who underwent endoscopic papillectomy for benign ampullary neoplasm at Samsung Medical Center between August 2002 and June 2011. The patients were subdivided into two groups, namely, those who received prophylactic pancreatic stent placement and those who did not. Patient demographics, baseline blood test, tumor characteristics, and endoscopic treatment data were collected. The primary endpoint was postprocedure pancreatitis. RESULTS: There was no difference in the development of postprocedure pancreatitis between the stent group and the no stent group (6/54, 10.5% and 2/28, 7.14%, respectively; p=1.00). At baseline, there were no significant differences between the two groups in terms of their risk factors for pancreatitis except pancreatic duct dye injection. The stent group was more likely to have dye injection than the nonstent group (100% vs 42.8%, p<0.001). However, in a logistic regression analysis, no significant difference was observed in the risk factors for pancreatitis including dye injection. CONCLUSIONS: Our data suggest that routine prophylactic pancreatic duct stent placement in all patients undergoing endoscopic papillectomy may not be necessary and that large-scale prospective studies are required to identify the subgroup of patients who would benefit.
Adult
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Aged
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Aged, 80 and over
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Ampulla of Vater/surgery
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Cholangiopancreatography, Endoscopic Retrograde
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Common Bile Duct Neoplasms/*surgery
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Endoscopy/methods
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Female
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Humans
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Male
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Middle Aged
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Pancreatic Ducts/surgery
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Pancreatitis/*prevention & control
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Postoperative Complications/*prevention & control
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Retrospective Studies
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Sphincterotomy, Endoscopic/methods
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*Stents
4.Factors Associated with Vaccination among Inflammatory Bowel Disease Patients in Korea.
Hwan Sic YUN ; Yang Won MIN ; Dong Kyoung CHANG ; Poong Lyul RHEE ; Jae J KIM ; Jong Chul RHEE ; Young Ho KIM
The Korean Journal of Gastroenterology 2013;61(4):203-208
BACKGROUND/AIMS: Vaccinations are generally recommended in patients with inflammatory bowel disease (IBD). However, several studies showed low rates of vaccinations in IBD patients. Furthermore, vaccination rate among IBD patients in Korea has never been investigated. We investigated the vaccination rate among IBD patients in Korea and evaluated some factors that might affect the vaccination rate. METHODS: From November 2011 to February 2012, a total of 192 patients with IBD who visited Samsung Medical Center (Seoul, Korea) answered the IRB-approved questionnaire. The questionnaire included their sex, age, residence, past medical history, type of IBD, duration of illness, medications, history of vaccination about measles-mumps-rubella (MMR), varicella, tetanus-diphtheria (Td), influenza, hepatitis A and B, pneumococcus and human papilloma virus (HPV). RESULTS: One hundred twenty one (63.0%) male and 71 (37.0%) female answered the questionnaire. The mean age of the enrolled patients was 39.7 (18-76) years. Eighty four patients (43.8%) had ulcerative colitis and 108 patients (56.3%) had Crohn's disease (CD). The percentage of the patients who had got vaccination was 42.2% for MMR, 34.9% for varicella, 15.6% for Td, 37.5% for influenza, 15.6% for hepatitis A, 52.6% for hepatitis B, 6.3% for pneumococcus and 11.3% for HPV respectively. Not knowing the necessity or the existence were the common reasons for non-vaccination. Age less than 40 years, CD patients and duration of illness less than 10 years were associated with a higher vaccination rate (p=0.002, 0.015 and 0.020, respectively). CONCLUSIONS: Immunization rates for recommended vaccinations were very low in patients with IBD. Efforts to improve vaccination rate are needed.
Adolescent
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Adult
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Aged
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Chickenpox/prevention & control
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Colitis, Ulcerative/pathology
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Crohn Disease/pathology
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Diphtheria/prevention & control
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Female
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Hepatitis A/prevention & control
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Hepatitis B/prevention & control
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Humans
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Inflammatory Bowel Diseases/*immunology/pathology
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Male
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Measles/prevention & control
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Middle Aged
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Mumps/prevention & control
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Papillomavirus Infections/prevention & control
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Pneumococcal Infections/prevention & control
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Questionnaires
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Republic of Korea
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Rubella/prevention & control
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Tetanus/prevention & control
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*Vaccination
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Young Adult
5.Comparison of clinical effects according to the dosage of sufentanil added to 0.5% hyperbaric bupivacaine for spinal anesthesia in patients undergoing cesarean section.
Yun Sic BANG ; Kum Hee CHUNG ; Jung Hyang LEE ; Seung Ki HONG ; Seok Hwan CHOI ; Jong Yeon LEE ; Su Yeon LEE ; Hyeon Jeong YANG
Korean Journal of Anesthesiology 2012;63(4):321-326
BACKGROUND: Subarachnoid block is a widely used technique for cesarean section. To improve the quality of analgesia and prolong the duration of analgesia, addition of intrathecal opioids to local anesthetics has been encouraged. We compared the effects of sufentanil 2.5 microg and 5 microg, which were added to intrathecal hyperbaric bupivacaine. METHODS: We enrolled 105 full term parturients were randomly divided into 3 groups: Group 1 (control), Group 2 (sufentanil 2.5 microg), and Group 3 (sufentanil 5 microg). In every group, 0.5% heavy bupivacaine was added according to the adjusted dose regimen. We determined the maximum level of sensory block and motor block, the quality of intraoperative analgesia, the duration of effective analgesia and side effects. RESULTS: There were no significant differences among the 3 groups in the maximum level of the sensory block and motor block. Recovery rate of the sensory block, however, was significantly slower in Group 3 than Group 1. Quality of intraopertive analgesia, muscle relaxation, and duration of effective analgesia were enhanced by increasing the dosage of intrathecal sufentanil. Frequencies of hypotension, maximum sedation level, and pruritus were directly related to the dosage of intrathecal sufentanil, whereas nausea and vomiting occurred only in the groups using sufentanil. CONCLUSIONS: The addition of sufentanil 2.5 microg for spinal anesthesia provides adequate intraoperative analgesia and good postoperative analgesia with minimal adverse effects on the mother.
Analgesia
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Analgesics, Opioid
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Anesthesia, Spinal
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Anesthetics, Local
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Bupivacaine
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Cesarean Section
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Female
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Humans
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Hypotension
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Mothers
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Muscle Relaxation
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Nausea
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Pregnancy
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Pruritus
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Sufentanil
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Vomiting