1.Heterotopic Glial Nodule in the Lung of an Anencephaly Patient : An autopsy case.
Hye Joung LEE ; Soo Min KANG ; Gyung Hyuck KO
Korean Journal of Pathology 1991;25(5):457-461
The heterotopic and tissues may be divided into two categories: those that are found in the head and neck region, and those that arise elsewhere. The latter type is rare and most cases are found in the lungs of patients with neural tube defect, particularly anencephaly. Our report descrives anencephalic male infant with heterotopic glial nodules in both lungs. The largest nodule is 2x1.5x1 cm, locates in the lower lobe of the left lung, and has a round gray-white cut surface with cystic spaces. Microscopically, the nodules consist of irregularly arranged astrocytes and glial fibers, in which are embedded gland-like or cystically dilated bronchioles. The astrocytes and glial fibers are strongly positive for glial fibrillary acidic protein and show astrocytic filaments on electron microscopy. This will be an additional case supporting the amniotic fluid aspiration/implantation theory of pathogenetic mechanism of distal heerotopic glial tissue.
Infant
;
Male
;
Female
;
Humans
2.The effect of anesthetic drugs on blood loss at labor & delivery.
Chan Young JOUNG ; Jong Soo LEE ; Chang Hoon SONG ; Hyuck JOUNG ; Ha Jong JANG
Korean Journal of Obstetrics and Gynecology 1991;34(5):613-617
No abstract available.
Anesthetics*
3.A case of neurilemmoma of the trachea.
Young Myoung CHUN ; Joung Hyuck SUH ; Joung Choul CHOI ; Hoon KIM
Korean Journal of Otolaryngology - Head and Neck Surgery 1991;34(6):1332-1336
No abstract available.
Neurilemmoma*
;
Trachea*
4.Cortisol concentration in amnionic fluid during normal pregnancy, labor and delivery.
Chang Hoon SONG ; Jong Soo LEE ; Chan Young JOUNG ; Ha Jong JANG ; Hyuck JOUNG ; Se Joon HAN
Korean Journal of Obstetrics and Gynecology 1991;34(6):790-795
No abstract available.
Amnion*
;
Hydrocortisone*
;
Pregnancy*
5.A case of Pott's puffy tumor with epidural abscess.
Pil Sang CHUNG ; Joung Hyuck SUH ; Chang Ho SHIM ; Young Myoung CHUN
Korean Journal of Otolaryngology - Head and Neck Surgery 1992;35(3):442-445
No abstract available.
Epidural Abscess*
;
Pott Puffy Tumor*
6.Pulmonary carcinoid tumor presented with recurrent pneumonia in adolescence.
Eun Sil PARK ; Ji Suk PARK ; Jae Young LIM ; Joung Hee LEE ; Gyung Hyuck KO
Korean Journal of Pediatrics 2006;49(7):805-809
The incidence of endobronchial tumor in the pediatric period is very rare and the symptoms are very close to those of respiratory tract infection. Diagnosis can be delayed because of low clinical suspicion and the many ways in which these tumors can present. We report the first case, in Korea, of a pulmonary carcinoid tumor that presented with recurrent pneumonia at the same location in adolescence. Treatment is surgical and geared towards complete resection while sparing healthy lung parenchyma. Long-term and careful follow up is recommended to detect local and distant metastasis.
Adolescent*
;
Carcinoid Tumor*
;
Diagnosis
;
Follow-Up Studies
;
Humans
;
Incidence
;
Korea
;
Lung
;
Neoplasm Metastasis
;
Pneumonia*
;
Respiratory Tract Infections
7.Endophthalmitis after Cataract Surgery in Korea: A Nationwide Study Evaluating Incidence and Risk Factors in a Korean Population
Soo Han KIM ; Min Heui YU ; Joung Hyuck LEE ; Sun Woong KIM ; Sang Hoon RAH
Yonsei Medical Journal 2019;60(5):467-473
PURPOSE: To assess the nationwide rate of acute postoperative endophthalmitis (APE) after cataract extraction in Korea and to evaluate potential risk factors thereof. MATERIALS AND METHODS: Nationwide insurance claims data from July 2014 to June 2017 were reviewed. All patients with phacoemulsification or extracapsular/intracapsular cataract extraction were included. Exclusion criteria were combined glaucoma surgery or total vitrectomy or when the patient had a history of intraocular foreign body. RESULTS: In total, 1505103 cases (982203 patients) were included. APE developed in 953 cases (938 patients) with an overall incidence of 0.063%. After adjusting for possible confounding factors, male sex [odds ratio (OR) 1.42; 95% confidence interval (CI) 1.25–1.61; p<0.001], primary clinical setting, operations performed in non-major cities, usage of sutures (OR 2.82; 95% CI 2.13–3.74; p<0.001), anterior vitrectomy (OR 8.71; 95% CI 6.71–11.32; p<0.001), aphakic cataract surgery (OR 1.52; 95% CI 1.03–2.22; p=0.033), hypertension (OR 1.40; 95% CI 1.18–1.66; p<0.001), diabetes (OR 1.59; 95% CI 1.31–1.93; p<0.001), and chronic renal failure (OR 1.28; 95% CI 1.01–1.62; p=0.039) were found to be related to APE development. CONCLUSION: The incidence of APE after cataract extraction was consistent with reports from other studies. Additional research is needed to determine the relationship of newly found risk factors, such as hypertension, primary clinical setting, chronic renal failure, and usage of suturing, with APE development.
Cataract Extraction
;
Cataract
;
Endophthalmitis
;
Foreign Bodies
;
Glaucoma
;
Hominidae
;
Humans
;
Hypertension
;
Incidence
;
Insurance
;
Kidney Failure, Chronic
;
Korea
;
Male
;
Phacoemulsification
;
Risk Factors
;
Sutures
;
Vitrectomy
8.Metastatic Leiomyosarcoma of the Oral Cavity
Soung Min KIM ; Joung Ae JO ; Young Wook PARK ; Ji Hyuck KIM ; Kwang Jun KWON ; Suk Keun LEE
Journal of the Korean Association of Maxillofacial Plastic and Reconstructive Surgeons 2002;24(6):524-529
No abstract available.
Leiomyosarcoma
;
Mouth
9.Synchronous Dual Primary Ovarian Carcinoma and Adnocarcinoma of the Cervix.
Sung Taeg KWON ; Jin Sung KIM ; Won Joun CHOI ; Young Taeg JOUNG ; Soon Ae LEE ; Jong Hak LEE ; Joung Hwa KIM ; Kyoung Hyuck KO ; Won Young PAIK
Korean Journal of Obstetrics and Gynecology 1997;40(12):2903-2908
No abstract available.
Adenocarcinoma
;
Cervix Uteri*
;
Cystadenocarcinoma, Mucinous
;
Female
10.Potential role of leptin in angiogenesis: leptin induces endothelial cell proliferation and expression of matrix metalloproteinases in vivo and in vitro.
Hyun Young PARK ; Hyuck Moon KWON ; Hyun Joung LIM ; Bum Kee HONG ; Ju Yong LEE ; Byoung Eun PARK ; Yang Soo JANG ; Seung Yun CHO ; Hyun Seung KIM
Experimental & Molecular Medicine 2001;33(2):95-102
Leptin, the product of ob gene, is an endocrine hormone that regulates adipose tissue mass. Recently, leptin has been found to generate a growth signal involving a tyrosine kinase-dependent intracellular pathway and promote angiogenic processes via activation of leptin receptor (Ob-R) in endothelial cells. However, it is not clear how leptin functions to promote multi-step processes involved in the neovascularization at the atherosclerotic plaque. We have examined the expression of matrix metalloproteinases (MMPs) and tissue inhibitors of metalloproteinases (TIMPs) and Ob-R in human atherosclerotic lesions, leptin-mediated angiogenesis in vivo and in vitro. Immunohistochemical analysis of human atherosclerotic aorta revealed an increased expression of Ob-R in the intima of neorevascularized regions and of both MMPs and TIMPs predominantly in the endothelial lining of intimal neovessels and macrophages/foam cells. In the rat corneal angiogenesis assay, leptin elicited a comparable sensitivity of angiogenic activity to those of vascular endothelial growth factor (VEGF). The immunohistological analysis of the leptin-treated rat cornea showed definitive rises in Ob-R, MMPs and TIMPs expression as well as those of VEGF receptor (VEGFR-1). Leptin (10-40 ng/ml) induced proliferation of the human umbilical vein endothelial cells (HUVECs) and elevation of MMP-2, MMP-9, TIMP-1, and TIMP-2 expression in a dose-dependent manner. Leptin also induced increases of MMP-2, MMP-9, TIMP-1, and Up-regulated the human coronary artery smooth muscle cells (HCASMCs). These findings suggest that leptin, a hormone with pluralistic properties including a mitogenic activity on vascular endothelial cells, plays a role in matrix remodeling by regulating the expression of MMPs and TIMPs. Taken together, our findings further provide evidences for leptin's role as an angiogenesis inducer in the normal organ (rat cornea) and in aberrant vasculature under duress like atherosclerosis.
Animal
;
Arteriosclerosis/metabolism
;
Blotting, Western
;
Cell Division
;
Cells, Cultured
;
Dose-Response Relationship, Drug
;
Endothelial Growth Factors/metabolism
;
Endothelium, Vascular/*cytology/*enzymology
;
Enzyme-Linked Immunosorbent Assay
;
Fibroblast Growth Factor 2/metabolism
;
Immunohistochemistry
;
Leptin/*chemistry/metabolism/*physiology
;
Lymphokines/metabolism
;
Matrix Metalloproteinases/*biosynthesis
;
*Neovascularization, Pathologic
;
Rats
;
Receptor Protein-Tyrosine Kinases/metabolism
;
Receptors, Growth Factor/metabolism
;
Recombinant Proteins/metabolism
;
Support, Non-U.S. Gov't
;
Tissue Inhibitor of Metalloproteinases/metabolism
;
Umbilical Veins/metabolism
;
Up-Regulation