1.Clinical and Obstetric Outcomes of the Teenage Pregnancy.
Yoon Hyuk LEE ; Woo Chuel JUNG ; Eu Sun RO
Korean Journal of Perinatology 2001;12(2):114-121
No abstract available.
Female
;
Pregnancy
;
Pregnancy in Adolescence*
2.Fracture of ring apophysis of lumbar vertebral body.
Byeong Mun PARK ; Chong Hyuk CHOI ; Woo Suk LEE
The Journal of the Korean Orthopaedic Association 1993;28(5):1588-1594
No abstract available.
3.Immunohistochemical and Ultrastructural Studies of Gastric Smooth Muscle Tumor.
Hyang Mi KO ; Kyung Soo KIM ; Jae Hyuk LEE ; Woo Sik JUHNG ; Sang Woo JUHNG
Korean Journal of Pathology 1996;30(3):245-254
To evaluate the differentiation status of smooth muscle in gastric stromal tumors which were negative for S-100 protein, immunohistochemistry using desmin, actin, myosin and vimentin was performed in 14 cases of gastric smooth muscle tumors. Ultrastructural Examination was also performed. For comparison a case of leiomyoma of the esophagus, a case of the sigmoid colon, 10 cases of the uterus were also examined. The results obtained were as follows. All gastric smooth muscle tumors showed vimentin-positivity. Six of 14 gastric smooth muscle tumors, (5 of 8 leiomyoma and 1 of 4 leiomyosarcoma) showed positivity for desmin, actin, and myosin(42.9%). All esophageal, colonic, and uterine leiomyomas showed diffuse positive reaction for desmin, actin, and myosin. Vimentin positivity was also noted in leiomyoma of the colon and uterus. Ultrastructurally, a few cells in the gastric stromal tumors had scattered microfilaments with dense bodies, subplasmalemmal dense plaques, and micropinocytic vesicles. However, most of the tumor cells did not have any of the ultrastructural features of smooth muscle differentiation. Leiomyomas of the esophagus and uterus showed many cytoplasmic microfilaments with dense bodies. These results suggest that most of the benign and malignant tumor cells of gastric stromal tumors have features of the undifferentiated cells, immunohistochemically as well as ultrastructurally, although a few cells have. It is speculated that most gastric stromal tumors may have lost their smooth muscle differentiation.
4.Moderate to Severe Left Ventricular Ejection Fraction Related to Short-term Mortality of Patients with Post-cardiac Arrest Syndrome after Out-of-Hospital Cardiac Arrest.
Kyoung Jeen MIN ; Jin Joo KIM ; In Cheol HWANG ; Jae Hyuk WOO ; Yong Su LIM ; Hyuk Jun YANG ; Keun LEE
Korean Journal of Critical Care Medicine 2016;31(4):342-350
BACKGROUND: The aim of this study was to investigate the relationships between left ventricular ejection fraction (LVEF) and mortality and neurologic outcomes with post-cardiac arrest syndrome (PCAS) after out-of-hospital cardiac arrest (OHCA). METHODS: Patients with PCAS after OHCA admitted to the intensive care unit between January 2014 and December 2015 were analyzed retrospectively. RESULTS: total of 104 patients were enrolled in this study. The mean age was 54.4 ± 15.3 years, and 75 of the patients were male (72.1%). Arrest with a cardiac origin was found in 55 (52.9%). LVEF < 45%, 45-55%, and > 55% was measured in 39 (37.5%), 18 (17.3%), and 47 (45.2%) of patients, respectively. In multivariate analysis, severe LV dysfunction (LVEF < 45%) was significantly related to 7-day mortality (odds ratio 3.02, 95% Confidence Interval 1.01-9.0, p-value 0.047). CONCLUSIONS: In this study, moderate to severe LVEF within 48 hours after return of spontaneous circulation was significantly related to 7-day short-term mortality in patients with PCAS after OHCA. Clinicians should actively treat myocardial dysfunction, and further studies are needed.
Echocardiography
;
Humans
;
Intensive Care Units
;
Male
;
Mortality*
;
Multivariate Analysis
;
Out-of-Hospital Cardiac Arrest*
;
Passive Cutaneous Anaphylaxis
;
Retrospective Studies
;
Stroke Volume*
5.Angiomatoid Fibrous Histiocytoma: A Case Report.
Joon Hyuk CHOI ; Woo Jung SUNG ; Nam Hyuk LEE
Yeungnam University Journal of Medicine 2007;24(2):315-321
Angiomatoid fibrous histiocytoma is a rare soft tissue tumor that generally affects children and young adults. We report a case of angiomatoid fibrous histiocytoma in an 11-year-old boy who complained of a back mass for 3 years. Surgical excision was performed. The excised specimen showed a 4.0 x 3.6 x 3.0 cm, well circumscribed, grayish white tumor, with multicystic changes. Histological examination showed proliferation of spindle or round shaped tumor cells. There was a dense fibrous pseudocapsule with prominent chronic inflammatory cell infiltrates.
Child
;
Histiocytoma, Benign Fibrous*
;
Humans
;
Immunohistochemistry
;
Male
;
Young Adult
6.Erratum: Moderate to Severe Left Ventricular Ejection Fraction Related to Short-term Mortality of Patients with Post-cardiac Arrest Syndrome after Out-of-Hospital Cardiac Arrest.
Kyoung Jeen MIN ; Jin Joo KIM ; In Cheol HWANG ; Jae Hyuk WOO ; Yong Su LIM ; Hyuk Jun YANG ; Keun LEE
Korean Journal of Critical Care Medicine 2017;32(1):88-88
The author's affiliation should be corrected. We apologize for any inconvenience that may have caused.
7.A Comparative Study of Immunohistochemistry and PCR-SSCP for Detection of p53 Mutation In Gastric Carcinoma.
Jong Soon KIM ; Jae Hyuk LEE ; Min Cheol LEE ; Chang Soo PARK ; Sang Woo JUHUNG
Korean Journal of Pathology 1998;32(1):21-28
Mutation of the p53 tumor-suppressor gene in exons 4 through 9 was examined in 34 cases of primary advanced gastric cancer using PCR-SSCP (polymerase chain reaction-single strand conformation polymorphism) and the results were compared with p53 protein expression as determined by immunohistochemistry (IHC) using a monoclonal antibody(DO-1). p53 protein detected by IHC was observed in 14 cases (41.2%) and genotypic mutation detected by PCR-SSCP in exons 4-9 was observed in 13 cases (38.2%) One case showed an aberrant band on PCR-SSCP both in Exon 7 and Exon 8/9. p53 alteration detected by either IHC or PCR-SSCP was observed in 19 cases (55.9%), but only 8 cases (23.5%) showed both p53 mutation and protein expression. We also tried to obtain the correlation between relative intensity of the shifted bands on PCR-SSCP and percentage of positive cells by IHC, but a significant correlation was not seen between relative intensity of shifted bands on PCR-SSCP and positve cell ratio. A discrepancy between p53 protein expression and p53 mutation is observed in primary gastric carcinomas. The reason for this discrepancy are not apparent. However, examination of gastric carcinomas for mutations in other exons may identify a better correlation with protein overexpression. The results obtained in this study suggest that the negative reaction for p53 immunohistochemistry may not necessarily mean no genetic alteration of the p53 locus.
Exons
;
Immunohistochemistry*
;
Stomach Neoplasms
8.A Ganglion Cyst Formed after Anterior Transposition of the Ulnar Nerve: A Case Report.
Young Bae KIM ; Jung Ro YOON ; Woo Seung LEE ; Jae Hyuk YANG ; Hoonnyun LEE
Clinics in Shoulder and Elbow 2015;18(2):102-104
In this report, a case of a 70-year-old man with a large ganglion cyst formed after anterior transposition of the left ulnar nerve is presented. Three months after the index surgery, the patient presented with a painless superficial ovoid, soft mass measuring 5x4x2 cm in size located at the posteromedial aspect of the left elbow, the previously operated site. Magnetic resonance imaging showed a well demarcated cystic mass with a stalk connecting to the elbow joint. Excisional biopsy was performed and pathologic findings showed that the cystic wall had no definite lining cells with myxoid degeneration compatible with findings of ganglion cyst.
Aged
;
Biopsy
;
Cubital Tunnel Syndrome
;
Elbow
;
Elbow Joint
;
Ganglion Cysts*
;
Humans
;
Magnetic Resonance Imaging
;
Ulnar Nerve*
9.Delayed parenchymal Transit During Tc-99m MAG3 Renography is a Valuable Sign in Diagnosing Urinary Obstruction in patients with Early Hydronephrosis.
Won Woo LEE ; Dae Hyuk MOON ; Jae Seung KIM ; Jin Sook RYU ; Hee Kyung LEE
Korean Journal of Nuclear Medicine 2002;36(5):306-313
No abstract available.
Humans
;
Hydronephrosis*
;
Radioisotope Renography*
10.Problems in Humeral Interlocking with Seidel Nail
Koing Woo KWUN ; Sin Kun KIM ; Sang Wook LEE ; Chang Hyuk CHOI ; Jin Kun LEE
The Journal of the Korean Orthopaedic Association 1996;31(2):199-204
Seidel nail is one of locked humeral nail and Seidel himself reported excellent result in his preliminary report using his nail. But our early experience showed disappointing result with high rate of complications, So we reviewed our 16 cases of humeral shaft fracture with polytrauma treated with Seidel nail and studied anatomical fitness of the nail within the distal medullary space using CT scan. The most frequent complication was intraoperative fracture of the proximal humerus < 4 cases> and this seemed to be due to lateral placement of pilot hole. There were 3 cases of nonunion and these cases showed insufficient distal anchorage, either primarily or postoperatively. Anatomical fitness study showed insufficient spreading of nail flanges in 5 cases of distal canal width below 9mm and nonunion cases were in this group. Other problems of Seidel nail were technical difficulties due to occasionally incorrect proximal targeting device and frequent breakage of adaptor screw. Study of more cases may be needed to confirm the design problem of Seidel nail.
Humerus
;
Multiple Trauma
;
Tomography, X-Ray Computed