1.Primary Angiosarcoma of the Mesentery: A Case Report
Hyeon Wook KANG ; Ji Yeol SHIN ; Ju Wan CHOI
Journal of the Korean Radiological Society 2020;81(2):423-427
Angiosarcoma is a malignant endothelial cell tumor of lymphatic or vascular origin and is most commonly found in the skin and soft tissue. Primary mesenteric angiosarcoma has rarely been reported. Here, we present a case of primary mesenteric angiosarcoma manifesting as a gradually enhancing mass along with necrosis and hemorrhage.
2.Primary Angiosarcoma of the Mesentery: A Case Report
Hyeon Wook KANG ; Ji Yeol SHIN ; Ju Wan CHOI
Journal of the Korean Radiological Society 2020;81(2):423-427
Angiosarcoma is a malignant endothelial cell tumor of lymphatic or vascular origin and is most commonly found in the skin and soft tissue. Primary mesenteric angiosarcoma has rarely been reported. Here, we present a case of primary mesenteric angiosarcoma manifesting as a gradually enhancing mass along with necrosis and hemorrhage.
3.Ultrasonographic and CT Findings of Hepatosplenic Tuberculosis.
Un Hyeon MOON ; Jeong Seok LEE ; Kang Seok KO ; Byung Ran PARK ; Dong Cheol YANG ; Ju Hyeon IM ; In Young KANG
Journal of the Korean Radiological Society 1998;39(2):345-351
PURPOSE: To evaluate the ultrasonographic and CT findings of hepatosplenic tuberculosis MATERIALS AND METHODS: We retrospectively reviewed the ultrasonographic and CT findings of confirmed hepatosplenic tuberculosis in 12patients. Six were men and six were women ; their average age was 41, and most were in their twenties. Lesions ofthe liver and spleen, as well as associated findings such as abdominal tuberculosis and other organ involvement oftuberculosis were analyzed. RESULTS: There were three cases of hepatic tuberculosis, seven of splenictuberculosis, and two of hepatosplenic involvement of tuberculosis. On the basis of the ultrasonographic and CTfindings, hepatosplenic tuberculosis was classified as one of two patterns : miliary or micronodular, ormacronodular. The micronodular type was more common (9/12 cases) being characterized by innumerable micronodules,and with easy coalescence in the liver and spleen in five of the nine cases. The macronodular type of low densitymass was noted in the other three patients. Splenomegaly was noted in 12 cases and hepatomegaly in ten. Pulmonarytuberculosis-including the miliary type(n=5)-was noted in eight patients. Associated abdominal tuberculosis suchas lymphadenopathy with central low density and peripheral rim enhancement (n=6), tuberculous peritonitis(n=3),highly attenuated ascites(n=6), adrenal tuberculosis(n=1), renal tuberculosis(n=1), ovarian abscess(n=1), psoasabscess(n=1), and systemic tuberculosis such as central nervous system tuberculoma(n=2), cervicallymphadenopathy(n=4) and tuberculous spondylitis(n=1) were noted. CONCLUSION: Ultrasonography and CT werevaluable in the detection and diagnosis of hepatosplenic tuberculosis
Central Nervous System
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Diagnosis
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Female
;
Hepatomegaly
;
Humans
;
Liver
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Lymphatic Diseases
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Male
;
Retrospective Studies
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Spleen
;
Splenomegaly
;
Tuberculosis*
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Tuberculosis, Gastrointestinal
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Tuberculosis, Hepatic
;
Ultrasonography
4.Effect of the Awareness of a Good Death and Perceptions of Life-sustaining Treatment Decisions on Attitudes of Intensive Care Nurses toward Terminal Care
Ji Hye KANG ; Yun Mi LEE ; Hyeon Ju LEE
Journal of Korean Critical Care Nursing 2019;12(2):39-49
PURPOSE: The purpose of this study was to identify the extent to which intensive care unit (ICU) nurses' perceptions of life-sustaining treatment decisions and “a good death” affect attitudes toward terminal care.METHOD: Participants included 109 ICU nurses from three university hospitals. Data were collected using structured questionnaires, and collected data were analyzed using a t-test, ANOVA, the Scheffé test, Pearson correlation coefficients, and a multiple regression analysis (SPSS 24.0 program).RESULTS: Perceptions of life-sustaining treatment decisions and a sense of closeness (a constituent for the awareness of “a good death”) were positively correlated with terminal care attitudes. The factors affecting terminal care attitudes were a clinical career in ICU (β=.20, p=.035), a sense of closeness(β=.19, p=.041), and the perception of a life-sustaining treatment decision (β=.22, p=.017). This finding indicates that more than 10 years of experience in ICU, a greater sense of closeness, and a higher view of life-sustaining treatment decisions results in more positive attitudes toward terminal care. The explanatory power of these variables on terminal care attitudes was 14% (F=6.84, p < .001, Adj R2=.140).CONCLUSION: A sense of closeness and the perception of life-sustaining treatment decisions were identified as the factors affecting terminal care attitudes. Thus, various programs must be developed to raise awareness among ICU nurses of “a good death” and perceptions of life-sustaining treatment decisions.
Critical Care
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Hospitals, University
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Intensive Care Units
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Methods
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Terminal Care
5.Comparison of the Predictive Validity of the Pressure Injury Risk Assessment in Pediatric Patients: Braden, Braden Q and Braden QD Scale
Ji Hyeon KANG ; Eun Young LIM ; Nam Ju LEE ; Hye Min YU
Journal of Korean Clinical Nursing Research 2024;30(1):35-44
Purpose:
The purpose of this study is to compare the predictive validity of pressure injury risk assessment, Braden, Braden Q and Braden QD for pediatric patients.
Methods:
Prospective observational study included patients under the age of 19 who were hospitalized to general wards, intensive care units of a children’s hospital.Characteristics related to pressure injury were collected, and predicted validity was compared by calculating the areas under the curve (AUC) of the Braden, Braden Q, and Braden QD scales.
Results:
A total of 689 patients were included in the study. A total of 13 (1.9%) patients had pressure injuries, and the number of pressure injuries was 17. Factors related to the occurrence of pressure injuries were 9 (52.9%) immobility-related and 8 (47.1%) medical device-related. The AUC for each scale was .91 (95% CI .89~.94) for Braden, .92 (95% CI .90~.95) for Braden Q, and .94(95% CI .92~.96) for Braden QD. The optimal cut-off points were identified as 16 for Braden (sensitivity=88.8%, specificity=86.4%), 17 for Braden Q(sensitivity=63.6%, specificity=94.9%), and 12 for Braden QD (sensitivity=94.4%, specificity=88.7%).
Conclusion
The Braden QD scale demonstrated the highest predictive validity for pressure injuries in pediatric patients and is expected to be valuable tool in preventing pediatrics pressure injuries.
6.Radiologic Findings of Ovarian Fibrothe.
Dong Cheol YANG ; Ju Hyeon IM ; Sun Su KIM ; Jong An KIM ; In Young KANG ; Kang Seok KO ; Byung Ran PARK
Journal of the Korean Radiological Society 2000;42(1):159-166
PURPOSE: To evaluate the radiologic features of fibrothecoma of the ovary, which is a rare solid tumor originating from the ovarian sex cord-stroma. MATERIALS AND METHODS: The radiologic findings of 29 patients with pathologically-proven fibrothecoma of the ovary were retrospectively evaluated for bilaterality, size, shape, margin, echogenecity, CT attenuation, signal intensity on magnetic resonance imaging, calcification, and amount of ascites. RESULTS: All fibrothecomas were unilateral, and had well defined margins. The diameter of the mass was 4-18(mean, 9.6)cms. Elghteen of 29 tumors were round or oval with a smooth margin, and eleven were lobulated. The internal architecture of the tumor was purely solid in 21 patients, predominantly solid in six, and pre-dominantly cystic in two. A broad spectrum of sonographic features was apparent, including a homogeneously hypoechoic mass (with posterior shadowing in four cases, and without posterior shadowing in ten), a homoge-neously hyperechoic mass in seven cases, an anechoic mass with septatations in two, and a mixed echoic mass in six. On precontrast CT scans, the mass was isodense to the uterine myometrium in eight of nine cases, while on postcontrast scans the lesion was slightly hypodense to the myometrium in seven cases and isodense in one. On T1-weighted MR images, nine of ten cases showed a relatively homogeneous low signal intensity, while on T2-weighted images, signal intensity was homogeneously low in two patients and predominantly low with focal high intensity in seven of the other eight. On gadolinium-enhanced T1-weighted images, most tu-mors showed slight heterogeneous enhancement. Calcifications were present in two cases, and in two others there was a large amount of ascites. CONCLUSION: The characteristic finding of ovarian fibrothecomas is a well-defined, oval or lobulated homoge-neously solid mass, which on CT scans enhances less than uterine myometrium and demonstrates a predomi-nantly low signal intensity on both T1- and T2-weighted images. However, a predominantly solid mass with cystic components or a predominantly cystic mass may also be presented.
Animals
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Ascites
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Female
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Humans
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Magnetic Resonance Imaging
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Mice
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Myometrium
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Ovary
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Retrospective Studies
;
Shadowing (Histology)
;
Tomography, X-Ray Computed
;
Ultrasonography
8.CT Findings of Change of the Maxillary Sinus after Caldwell-Luc Operation.
Ju Hyeon IM ; Sun Su KIM ; Jong An KIM ; Un Hyeon MOON ; In Young KANG ; Kang Seok KO ; Se Jong KIM ; Byung Ran PARK ; Byung Geun KIM
Journal of the Korean Radiological Society 2000;42(3):431-437
PURPOSE: This study describes the CT findings of changes in the maxillary sinus after the Caldwell-Luc procedure. MATERIALS AND METHODS: The maxillary sinus-related findings in 35 cases among 20 patients(17 cases in 10 males and 18 cases in 10 females)who had undrgone the Caldwell-Luc procedure mean 14.6 years earlier were reviewed. CT scans were obtained in the axial and coronal planes, with 5mm thickness. By means of the t test, changes in the size of the bony wall of the maxillary sinus, as well as antral volume change, were compared with the normal maxillary sinus group(41 male and 23 female cases). Males and females were compared separately, and surgical bony defect of nasolabial antrotomy and nasoantral window, fibroosseous proliferation, compartmentation and mucosal thickening of the postoperative maxillary sinus were evaluated, as were findings of chronic or recurrent maxillary sinusitis and postoperative complications. RESULTS: Naso-labial antrotomy was clearly identified in 27 of 35 cases, and irregular bony surface in the remaining eight, as were 27 bony defects and one irregular bony margin among a total of 28 cases of nasoantral window. Due to shortening of the height of the orbit, reductions in maxillary width, nasoantral communication width and anteroposterior diameter of the maxilla, and widening of the width of the inferior meatus, the maxillary sinus tended to become hypoplastic and centripetally contracted. Reduced cavitary volume of the maxillary sinus was noted(p<0.05), and fibro-osseous proliferation(n=29), compartmentation(n=11), and mu-cosal thickening(n=22) of the postoperative maxillary sinus were also seen. There were findings of chronic si-nusitis(n=22), as well as complications of postoperative mucocele(n=3) and oroantral fistula(n=2) of the maxillary sinus. CONCLUSION: The characteristic maxillary sinus-related findings seen after the Caldwell-Luc procedure are helpful in distinguishing postoperative change from recurrent paranasal diseases and resulting complications.
Female
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Humans
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Male
;
Maxilla
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Maxillary Sinus*
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Maxillary Sinusitis
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Orbit
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Paranasal Sinuses
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Postoperative Complications
;
Tomography, X-Ray Computed
9.Chemokine Lkn-1/CCL15 enhances matrix metalloproteinase-9 release from human macrophages and macrophage-derived foam cells.
Sang Hee KWON ; Seong A JU ; Ji Hye KANG ; Chu Sook KIM ; Hyeon Mi YOO ; Rina YU
Nutrition Research and Practice 2008;2(2):134-137
Atherosclerosis is characterized by a chronic inflammatory disease, and chemokines play an important role in both initiation and progression of atherosclerosis development. Leukotactin-1 (Lkn-1/CCL15), a new member of the human CC chemokine family, is a potent chemoattractant for leukocytes. Our previous study has demonstrated that Lkn-1/CCL15 plays a role in the initiation of atherosclerosis, however, little is currently known whether Lkn-1/CCL15 is associated with the progression of atherosclerosis. Matrix metalloproteinases (MMPs) in human coronary atherosclerotic lesions play a crucial role in the progression of atherosclerosis by altering the vulnerability of plaque rupture. In the present study, we examined whether Lkn-1/CCL15 modulates MMP-9 release, which is a prevalent form expressed by activated macrophages and foam cells. Human THP-1 monocytic cells and/or human peripheral blood monocytes (PBMC) were treated with phorbol myristate acetate to induce their differentiation into macrophages. Foam cells were prepared by the treatment of THP-1 macrophages with human oxidized LDL. The macrophages and foam cells were treated with Lkn-1/CCL15, and the levels of MMP-9 release were measured by Gelatin Zymography. Lkn-1/CCL15 significantly enhanced the levels of MMP-9 protein secretion from THP-1 monocytic cells-derived macrophages, human PBMC-derived macrophages, as well as macrophage-derived foam cell in a dose dependent manner. Our data suggest that the action of Lkn-1/CCL15 on macrophages and foam cells to release MMP-9 may contribute to plaque destabilization in the progression of atherosclerosis.
Atherosclerosis
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Chemokines
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Foam Cells
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Gelatin
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Humans
;
Leukocytes
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Lipoproteins, LDL
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Macrophages
;
Matrix Metalloproteinase 9
;
Matrix Metalloproteinases
;
Monocytes
;
Phorbols
;
Rupture
;
Tetradecanoylphorbol Acetate
10.A Clinical Study on Treatment of Myasthenia Gravis.
Sung Soo KANG ; Hyeon Mi PARK ; Choong Seop SIM ; Oh Young KWON ; Seung Hyun KIM ; Ju Han KIM ; Myung Ho KIM
Journal of the Korean Neurological Association 1994;12(1):70-79
We studied retrospectively on clinical assessment of treatment in myasthenic patients who visited on our department regularly since 1985. They were divided as a group based on therapeutic modalities such as a thymectomy, steroid therapy. Combined therapy(steroid and thymectomy), plasma exchange. And whole body irradiation. We evluated clinical effectiveness of these therapeutic modalities and come up with following conclusions. Alltherapeutic modalities showed effectiveness. In steroid therapy, thymectomy and the combined therapy. W needed at least 6-24 months for clinical improvement. In thymectomy, rognosis was depend on the number of germinal centers. In whole body irradiation. Effectiveness was shown at 5h week and continued to 6th to 12th months. We also noted that symptomatic improvement was correlated with decreased lymphocyte counts. The effect of plasma exchange was rapid but only short duration.
Germinal Center
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Humans
;
Lymphocyte Count
;
Myasthenia Gravis*
;
Plasma Exchange
;
Retrospective Studies
;
Thymectomy
;
Whole-Body Irradiation