1.A case of Boerhaave's syndrome.
Chong In LEE ; Sun Woo BAE ; Soon Koo BAIK ; Seong Wu LEE ; Dong Ki LEE ; Sang Ok KWON
Korean Journal of Medicine 1993;45(5):696-701
No abstract available.
2.A Case of Metastatic Melanoma of the Rectum.
Seong Wu LEE ; Soon Koo BAIK ; Young Gyu LEE ; Dong Ki LEE ; Woo Ick JANG ; Sang Ok KWON ; Gye Keol SHIN ; Soon Hee JUNG
Korean Journal of Gastrointestinal Endoscopy 1993;13(2):411-413
A 42-year-old woman preseated with intermittent rectal bleeding of a week's duration. A large polypoid mass with pigmented, ulcerated, nodular surface was seen in the rectum at 3cm from the anal verge during flexible sigmoidoscopy. A histologic diagnosis of metastatic melanoma wae made on light microscopic examination of biopsies obtained at sigmoidoscopy. The presence of metastatic melanoma at sites other than the rectum was found at the skin, pleura and lung. We report a case of metastatic malignant melanoma of the rectum with the review of the literature.
Adult
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Biopsy
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Diagnosis
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Female
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Hemorrhage
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Humans
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Lung
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Melanoma*
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Pleura
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Rectum*
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Sigmoidoscopy
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Skin
;
Ulcer
3.Hypofractionated radiotherapy for early stage glottic cancer: efficacy of 3.5 Gy per fraction
Tae Hoon LEE ; Joo Ho LEE ; Seong Keun KWON ; Eun-Jae CHUNG ; Hong-Gyun WU
Radiation Oncology Journal 2022;40(2):120-126
Purpose:
The purpose of this study was to evaluate the treatment outcomes and toxicity profile of patients with early glottic cancer who underwent hypofractionated radiation therapy (RT) with 3.5 Gy per fraction.
Materials and Methods:
A retrospective review was performed of the medical records of 35 patients with early stage (T1-2N0M0) glottic cancer who underwent definitive RT. The dose fractionation scheme was 59.5 Gy in 17 fractions. Posterior commissure was excluded from the clinical target volume (CTV) for 26 patients (74.3%) without glottic lesions close to this region.
Results:
With a median follow-up of 16.23 months (range, 6.82 to 67.15 months), no local, regional, or distant recurrence was reported. Acute hoarseness (65.7%), mucositis (68.6%), radiation dermatitis (60.0%) was frequent. One patient (2.9%) reported grade 3 acute toxicity (mucositis) and there was no grade 4–5 acute toxicity. There was no grade ≥3 late toxicities; however, grade 1 late intermittent hoarseness was frequent (45.7%). The receiver operative characteristic analysis revealed that mean hypopharyngeal dose was predictive for acute grade ≥2 mucositis (area under the curve=0.9314; 95% confidence interval, 0.8524–1). The optimal threshold of mean hypopharyngeal dose for occurrence of acute grade ≥2 mucositis was 26.31 Gy, with a specificity and sensitivity of 83.3% and 88.2%, respectively.
Conclusion
Hypofractionated RT with fraction size of 3.5 Gy for early glottic cancer is effective. The hypopharyngeal mean dose could predict the occurrence of grade ≥2 acute mucositis. The posterior commissure can be safely excluded from the CTV.
4.Identification of Translocon-associated Protein Delta as An Oncogene in Human Colorectal Cancer Cells
Darshika AMARAKOON ; Wu-Joo LEE ; Jing PENG ; Seong-Ho LEE
Journal of Cancer Prevention 2024;29(4):175-184
Identifying the roles of genes in cancer is critical in discovering potential genetic therapies for cancer care. Translocon-associated protein delta (TRAPδ), also known as signal sequence receptor 4 (SSR4), is a constituent unit in the TRAP/SSR complex that resides in the endoplasmic reticulum and plays a key role in transporting newly synthesized proteins into the endoplasmic reticulumn.However, its biological role in disease development remains unknown to date. This is the first study to identify the role of TRAPδ/ SSR4 in colorectal cancer cells in vitro. Upon successful transient knockdown of TRAPδ/ SSR4, we observed significant reduction of cell viability in all colorectal cancer cell lines tested. Both HCT 116 and SW480 cell lines were significantly arrested at S and G1 phases, while DLD-1 cells were significantly apoptotic. Moreover, TRAPδ/ SSR4 stable knockdown HCT 116 and SW480 cells showed significantly lower viability, anchorage-independent growth, and increased S and G1 phase arrests. Overall, we conclude TRAPδ/ SSR4 is a potential oncogene in human colorectal cancer cells.
5.Identification of Translocon-associated Protein Delta as An Oncogene in Human Colorectal Cancer Cells
Darshika AMARAKOON ; Wu-Joo LEE ; Jing PENG ; Seong-Ho LEE
Journal of Cancer Prevention 2024;29(4):175-184
Identifying the roles of genes in cancer is critical in discovering potential genetic therapies for cancer care. Translocon-associated protein delta (TRAPδ), also known as signal sequence receptor 4 (SSR4), is a constituent unit in the TRAP/SSR complex that resides in the endoplasmic reticulum and plays a key role in transporting newly synthesized proteins into the endoplasmic reticulumn.However, its biological role in disease development remains unknown to date. This is the first study to identify the role of TRAPδ/ SSR4 in colorectal cancer cells in vitro. Upon successful transient knockdown of TRAPδ/ SSR4, we observed significant reduction of cell viability in all colorectal cancer cell lines tested. Both HCT 116 and SW480 cell lines were significantly arrested at S and G1 phases, while DLD-1 cells were significantly apoptotic. Moreover, TRAPδ/ SSR4 stable knockdown HCT 116 and SW480 cells showed significantly lower viability, anchorage-independent growth, and increased S and G1 phase arrests. Overall, we conclude TRAPδ/ SSR4 is a potential oncogene in human colorectal cancer cells.
6.Identification of Translocon-associated Protein Delta as An Oncogene in Human Colorectal Cancer Cells
Darshika AMARAKOON ; Wu-Joo LEE ; Jing PENG ; Seong-Ho LEE
Journal of Cancer Prevention 2024;29(4):175-184
Identifying the roles of genes in cancer is critical in discovering potential genetic therapies for cancer care. Translocon-associated protein delta (TRAPδ), also known as signal sequence receptor 4 (SSR4), is a constituent unit in the TRAP/SSR complex that resides in the endoplasmic reticulum and plays a key role in transporting newly synthesized proteins into the endoplasmic reticulumn.However, its biological role in disease development remains unknown to date. This is the first study to identify the role of TRAPδ/ SSR4 in colorectal cancer cells in vitro. Upon successful transient knockdown of TRAPδ/ SSR4, we observed significant reduction of cell viability in all colorectal cancer cell lines tested. Both HCT 116 and SW480 cell lines were significantly arrested at S and G1 phases, while DLD-1 cells were significantly apoptotic. Moreover, TRAPδ/ SSR4 stable knockdown HCT 116 and SW480 cells showed significantly lower viability, anchorage-independent growth, and increased S and G1 phase arrests. Overall, we conclude TRAPδ/ SSR4 is a potential oncogene in human colorectal cancer cells.
7.Primary Central Nervous System Lymphoma(PCNSL): Treatment Result of 23 Cases.
Wan Su LEE ; Eun Young KIM ; Jin Wu CHANG ; Yong Gou PARK ; Kyu Seong LEE ; Jung Uhn CHOI ; Sang Sup CHUN ; Kyu Chang LEE
Journal of Korean Neurosurgical Society 1996;25(2):365-372
The authors report below a clinical study of 23 patients bearing 31 primary central nervous system lymphomas diagnosed between January 1985 and December 1994. The cohort included 13 men and 10 women whose mean age was 46 years, ranging from 28 to 61 years. No patient had antecedent of human immunodeficiency virus positivity but one had a past history of rheumatoid arthritis. The duration of symptom was less than 8 weeks in 52% of the patients. Symptom groups included increased intracranial pressure(78%), focal neurological decificit(52%), neuropsychiatric symptoms(43%), and seizures(13%). The histopathologcal diagnosies were done in 19 cases(10 cases by resective surgery, 9 cases by open or stereotactic biopsy). The others were diagnosed by the typical clinical course such as rapid disappearance of lesions after steroid therapy, and/or radiological findings. Histological subtypes(National Cancer Institute Working Formulation) was confirmed in 8 patients including 3 cases of diffuse larger cell type. Phenotype was determined in 7 patients: 4 were B-cell type and 3 were T-cell type. One patient committed suicide during the radiation therapy and was therefore excluded from the survival analysis. All but two patients received radiation therapy. Five patients received chemotherapy. The over-all Kaplan-Meier survival rate was 46% at 2 years and 15.5% at 5 years. On univariate analysis, statistically significant prognostic factor associated with survival was not found but the higher Karnofsky score and single lesion were found to be favorable to the long-term survival. In the statistical analysis of the patients who received radiation therapy, surgical resection did not significantly influence the survival.
Arthritis, Rheumatoid
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B-Lymphocytes
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Brain Neoplasms
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Central Nervous System*
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Cohort Studies
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Drug Therapy
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Female
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HIV
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Humans
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Lymphoma
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Male
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Phenotype
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Suicide
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Survival Rate
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T-Lymphocytes
8.Prognostic Accuracy of Massive Transfusion, Critical Administration Threshold, and Resuscitation Intensity in Assessing Mortality in Traumatic Patients with Severe Hemorrhage: a Meta-Analysis
Wu Seong KANG ; In Soo SHIN ; Jung Soo PYO ; Sora AHN ; Seungwoo CHUNG ; Young Jun KI ; Junepill SEOK ; Chan Yong PARK ; Sungdo LEE
Journal of Korean Medical Science 2019;34(50):318-
9.Antibiotic use in patients with abdominal injuries: guideline by the Korean Society of Acute Care Surgery.
Ji Young JANG ; Wu Seong KANG ; Min Ae KEUM ; Young Hoon SUL ; Dae Sang LEE ; Hangjoo CHO ; Gil Jae LEE ; Jae Gil LEE ; Suk Kyung HONG
Annals of Surgical Treatment and Research 2019;96(1):1-7
PURPOSE: A task force appointed by the Korean Society of Acute Care Surgery reviewed previously published guidelines on antibiotic use in patients with abdominal injuries and adapted guidelines for Korea. METHODS: Four guidelines were assessed using the Appraisal of Guidelines for Research and Evaluation II instrument. Five topics were considered: indication for antibiotics, time until first antibiotic use, antibiotic therapy duration, appropriate antibiotics, and antibiotic use in abdominal trauma patients with hemorrhagic shock. RESULTS: Patients requiring surgery need preoperative prophylactic antibiotics. Patients who do not require surgery do not need antibiotics. Antibiotics should be administered as soon as possible after injury. In the absence of hollow viscus injury, no additional antibiotic doses are needed. If hollow viscus injury is repaired within 12 hours, antibiotics should be continued for ≤ 24 hours. If hollow viscus injury is repaired after 12 hours, antibiotics should be limited to 7 days. Antibiotics can be administered for ≥7 days if hollow viscus injury is incompletely repaired or clinical signs persist. Broad-spectrum aerobic and anaerobic coverage antibiotics are preferred as the initial antibiotics. Second-generation cephalosporins are the recommended initial antibiotics. Third-generation cephalosporins are alternative choices. For hemorrhagic shock, the antibiotic dose may be increased twofold or threefold and repeated after transfusion of every 10 units of blood until there is no further blood loss. CONCLUSION: Although this guideline was drafted through adaptation of other guidelines, it may be meaningful in that it provides a consensus on the use of antibiotics in abdominal trauma patients in Korea.
Abdominal Injuries*
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Advisory Committees
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Anti-Bacterial Agents
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Antibiotic Prophylaxis
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Cephalosporins
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Consensus
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Humans
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Korea
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Shock, Hemorrhagic
10.Morphometrical Data of Size and Shape of the Late-Stage Human Fetal Liver, Including Those of Intrahepatic Vessels: Some Prenatal and Postnatal Developmental Consideration.
Seong Dae LEE ; Chan Young KIM ; Yong Hyun CHO ; Daisuke FUJIWARA ; Gen MURAKAMI ; Hirofumi MUTSUMURA ; Suk Koo LEE ; Jong Hyeon KIM ; Zhe Wu JIN ; Baik Hwan CHO
Korean Journal of Hepato-Biliary-Pancreatic Surgery 2003;7(1):12-18
BACKGROUND/AIMS: The fetus liver was characterized by its relatively larger left lobe than right lobe. So far there are no available morphometrical data and shape of the late-stage of human fetal liver, including identification of the intrahepatic vessels, which is little bit different from adult liver. METHODS: Among usual anatomic cadavers in department of anatomy of Sapporo medical university we choose normal- looking 12 late-stage human and 10 adult livers. At first, we measured the thickness and height and width of the livers at each designated sites and than underwent dissection for measurement of major intrahepatic vessels. In fetus, the upward protrusion of S8 was not evident, while S4 provided the greatest thickness of the liver. The fetus revealed an ellipsoid or oval shaped visceral surface and large S3, while the adult liver was triangular. The Arantius duct was almost always narrower than each of the 3 major hepatic veins, and it was often narrower than the umbilical vein. CONCLUSION: Both S2 and S6 seemed to enlarge during the postnatal growth, although there seemed to be great individual variations in the process of the growth. In the late stage fetus, three major hepatic veins seemed to play a great role for the venous return to the heart from the liver, rather then the Arantius duct.
Adult
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Cadaver
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Fetus
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Heart
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Hepatic Veins
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Humans*
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Liver*
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Umbilical Veins