1.Congenital Uterine Cyst: A case report.
Korean Journal of Pathology 1996;30(10):954-956
I experienced a case of a congenital intramural cyst of the uterine fundus. On examination by light and electron microscope it was composed of a single layer of thin atrophied lining epithelium without secretory activity and was found to be derived from the paramesonephric duct. This case is presented with a brief review of the literature.
Cysts
2.Clinical analysis of resected colorectal cancer.
Journal of the Korean Surgical Society 1992;42(3):352-360
No abstract available.
Colorectal Neoplasms*
3.CT findings of Desmoid tumor arising at Abdominai Wall.
Dae Hyoun CHO ; Jae Ho CHO ; Jae Chun CHANG
Yeungnam University Journal of Medicine 1995;12(2):386-392
Desmoid tumor is a type of fibromatosis usually arise in deep musculo-aponeurotic structures, primarily of the trunk and extremities. It is characterized by proliferation of fibroblastic tissue and does not metastasize but may be locally aggressive. Eventhough the surgical margin reveals clean, recurrence often occurs. To analyze the extent of the tumor and homodynamic characteristics exactly, we performed IV bolus CT. Desmoid tumors show peripheral rim enhancement on early phase scan and more strong, central enhancement on late phase IV bolus CT, which reflects abundant fibroblastic components of the tumor. We report two cases of pathologically confirmed desmoid tumor performed IV bolus CT.
Abdominal Wall
;
Extremities
;
Fibroblasts
;
Fibroma
;
Fibromatosis, Aggressive*
;
Recurrence
4.Intrahepatic Arterioportal Shunt:A Mechanism of Hypovascular Hepatocellular Carcinoma.
Journal of the Korean Radiological Society 1995;33(2):259-264
PURPOSE: To prove whether the arterioportal shunt, especially transvasal shunt is one of the cause of the hypovascular hepatocellular carcinoma. MATERIALS AND METHODS: We evaluated the early phase images of table incremental dynamic CT and hepatic angiography in 20 cases of hepatoceltular carcinomas with transvasal arterioportal shunt. RESULTS: In hepatic arteriography, 18 cases were hypovascular and the remained 2 cases showed hypervascular tumor staining than surrounding normal hepatic parenchyme. In the early phase dynamic CT, 18 cases were hypodense(including 4 cases of focal hyperdensity in hypodense background), one was isodense and remaining one was hyperdense. CONCLUSION: Arterioportal shunt, especially transvasal shunt may make originally hypervasular hepato-cellular carcinoma to hypovascular lesion in the early phase dynamic CT or hepatic arteriography. In attempt to differentiate hepatic masses by tumor vascularity in recently widely used table incremental dynamic CT, the vascular patterns of the mass should be considered by close evaluation of vascular pattern of the liver, such as morphology of perfusion abnormality and arterioportal shunt, etc.
Angiography
;
Carcinoma, Hepatocellular*
;
Liver
;
Perfusion
5.The effect of interleukin 2 on the induction Of Nk 1.1 expression in CD8+ and CD4-CD8-T Cell.
Young Joo CHO ; Yoon Hae CHANG
Journal of Asthma, Allergy and Clinical Immunology 1998;18(2):290-298
BACKGROUND: Murine IL-2-induced lymphokine-activated killers can be divided into two mutually exclusive subset:NK1.1'CD8 and NK1.1 CD8+. However, there is a strong evidence that NK cell may belong to T cell lineage. Recently novel lymphocyte subsets, present in the adult murine thymus, CD3+NK1.1'TCRap(TNK) cell is readily identifiable in fresh obtained murine adult CD4 CD8 thymocytes. MATERIAL AND METHOD: We sorted out CD4 and CD8 (double negative.' DN) cells and CD8+ cells from murine spleen and cultivated these cells with IL-2. And the surface B220, CD8, NK1. 1 and cytopasmic NK1.1 was analysed simultaneously to see whether these cells can be switched to the other subtype of cells. RESULT: Purified DN cells were switched to several subtype of cells'. CD8'B220+(LAK cells), NK1.1'B220+(LAK cells), CD8 B220, cytoplasmic NK1.1+B220 cells. Purified CD8 cells were switched to CD8+B220' LAK cells and cytoplasmic NK1.1+ CD8+ B220+ and cytoplasmic NK1.1' CD8 B220 cells. In addition, the CD8' cells originated from DN cells do not express the cytoplasmic NK1.1 in contrary to the sorted CD8 cells. CONCLUSION: Our results indicated that these will be useful models to investigating CD8 precursor potentials in populations of CD4 CD8 (doble negative) cells and relationship of NK1.1 These results also supports the hypothesis that T cells and NK cells have same ontogeny and CD8 effector functions are potentially diverse and could be exploited by various conditions that switch off host protected cytolytic response. These model offer a way to study the molecular regulation of CD8 gene expression.
Adult
;
Cell Lineage
;
Cytoplasm
;
Gene Expression
;
Humans
;
Interleukin-2*
;
Interleukins*
;
Killer Cells, Lymphokine-Activated
;
Killer Cells, Natural
;
Lymphocyte Subsets
;
Spleen
;
T-Lymphocytes
;
Thymocytes
;
Thymus Gland
6.The Effect of Photodynamic Therapy in BALB/-c Mice Adenocarcinoma in Homograft Model.
Korean Journal of Pathology 2000;34(7):481-487
Among the efficient cancer treatments, photodynamic therapy (PDT) is one of the therapies inducing rapid apoptosis of cancer cells while causing minimal damage to surrounding normal tissue. We studied the effect of PDT on the adenocarcinoma in BALB/-c mice of homograft model, and the following results were obtained. Apoptosis occurred up to 3 mm in depth from the surface in the first 1 hour after PDT applied, and subsequently the counts were increased in the deeper portion. A remarkable apoptosis observed up to 6 mm in depth shows that the light in use could not penetrate more than 6 mm of tissue. Tissue necrosis was identified in the deeper area of the tumor 6 hours later or thereafter. This necrosis seemed to occur as an indirect effect of vascular obstruction resulting from the damage of endothelial cells which was induced by selective collection of photosensitizer in the endothelial cells of newly forming vessels as well as in the cancer cells. These results indicate that the effective depth of PDT is greater than the depth of light penetration.
Adenocarcinoma*
;
Allografts*
;
Animals
;
Apoptosis
;
Endothelial Cells
;
Mice*
;
Necrosis
;
Photochemotherapy*
7.Current trends in the diagnosis and treatment of Graves' disease in Korea.
Journal of Korean Society of Endocrinology 1992;7(3):216-227
No abstract available.
Diagnosis*
;
Graves Disease*
;
Korea*
8.Prophylactic antibiotics administration in acute appendicitis.
Chang Beom CHO ; Kyung Hwan PARK
Journal of the Korean Surgical Society 1991;41(5):662-666
No abstract available.
Anti-Bacterial Agents*
;
Appendicitis*
9.Prophylactic antibiotics administration in acute appendicitis.
Chang Beom CHO ; Kyung Hwan PARK
Journal of the Korean Surgical Society 1991;41(5):662-666
No abstract available.
Anti-Bacterial Agents*
;
Appendicitis*
10.The clinical Study of Acute Urinary Retention in Patients with Benign Prostate.
Korean Journal of Urology 2000;41(2):212-217
No abstract available.
Humans
;
Prostate*
;
Urinary Retention*