1.Corrigendum: Characterizing affinity epitopes between prion protein and beta-amyloid using an epitope mapping immunoassay.
Mino KANG ; Su Yeon KIM ; Seong Soo A AN ; Young Ran JU
Experimental & Molecular Medicine 2014;46(5):e96-
Due to an author error the National Research Foundation of Korea Grant Number was incorrectly listed in the original online publication of this article.
2.Trichofolliculoma: A case report.
Su Kyeong YEON ; Ki Hwa YANG ; Seok Jin KANG ; Sun Moo KIM
Korean Journal of Pathology 1994;28(1):79-81
The trichofolliculoma is a rare tumor of the hair follicle occuring most often on the head and neck. We have experienced a case of 24-year-old female who had a small, dome-shaped, tan brown firm nodule on the nose. Under the clinical impression of a granuloma, an excisional biopsy of the nodule was done. Microscopically the lesion was composed of a large central cystic hair follicle with many srhall but well differenciated secondary hair follicles branching from the wall. Well developed secondary hair follicles were often grouped and were surrounded by a prominent stroma.
Female
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Humans
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Biopsy
3.Orbital Pseudolymphoma: A case report.
Su Kyeong YEON ; Mi Kyung JEE ; Seok Jin KANG ; Byoung Kee KIM ; Sun Moo KIM
Korean Journal of Pathology 1993;27(2):191-194
Lymphoid tumors of the orbit are rare, and sometimes it is not possible either clinically or histologically to differentiate between lymphoid tumor and pseudolymphoma. Some authors assert that the degree of cytologic differentiation appears to be the single most important factor for determining the prognosis of patients with orbital lymphoid lesions. However, the cytomorphologic basis is not so helpful to diagnose and classify our case, which shows some discrepancy between pathological findings and clinical and radiological findings. At first we misdiagnosed our case as orbital malignant lymphoma on the basis of cytomorphology and immunohistochemical study. But no responce to local intensive radiotherapy and the follow up study of the patient suggest orbital pseudolymphoma.
Follow-Up Studies
4.Strumal Carcinoid of the Ovary: Report of a case.
Su Kyeong YEON ; Kyo Yeong LEE ; Chang Seog KANG ; Sang In SHIM ; Sun Moo KIM
Korean Journal of Pathology 1993;27(2):187-190
Strumal carcinoma of the ovary is rare tumor of germ cell origin characterized by intimate mixture of thyroid tissue and carcinoid. We report a strumal carcinoid tumor associated with ipsilateral follicular cyst and contralateral mature cystic teratoma of the ovary in a 47-year-old woman. Histologically it was composed largely of trabeculae partly of insular carcinoid and focally of individual thyroid follicles. Many cells in the carcinoid areas and even some follicular areas contained abundant argyrophile granules, and they also, in the corresponding areas, demonstrated thyroglobulin. Electron microscopic findings revealed abundant neurosecretory granules and colloid material in the same cell. We agree that this tumor is derived from hybrid showing thyroid and neuroendocrine differenciation.
Female
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Humans
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Cysts
5.Role of CO2 laser Vaporization in the Management of Vaginal Intraepithelial Neoplasia.
Dae Yeon KIM ; Yong Beom KIM ; Su Yeon KIM ; Jae Weon KIM ; Hoh Hyun PARK ; Yong Sang SONG ; Soon Beom KANG ; Hyo Pyo LEE
Korean Journal of Gynecologic Oncology and Colposcopy 1997;8(2):124-129
Even though malignant potential of vaginal intraepithelial neoplasia(VaIN) may be low, the prevalence is increasing and the mean age at diagnosis is decreasing. Various treatment options have been used for the eradication of ValN, but most effective standard protocol is not present because it is a rare disease. Laser vaporization was used to treat 7 patients with VaIN diagnosed at Department of Obstetrics and Gynecology, Seoul National University Hospital between 1992 to 1996. The patients were from 40 to 70 years of age with a mean 57 of years. All patients had a history of radical or simple hysterectomy, and final pathologic diagnosis were as follows : cervical cancer(n=5), cervical intraepithelial neoplasia(n=l), leiomyoma(n=l). Vaginal intrae-pithelial neoplasia(VaIN) was identified between 4 months and 8 years after first operation. All lesions were unifocal disease and found at the upper one third of the vagina. Treatment was performed with a CO2 laser unit and colposcope. Four(57%) out of seven patients had general anesthesia for the purpose of treatment. Patients were followed up for an average of 16.8 months with regular cytologic evaluation, colposcopy and biopsy. Failure of therapy was defined as evidence of intraepithelial neoplasia in any one of these three parameters. Only one patients showed persistent disease and the others remain free of disease. The success rate of therapy was 85.7%(6/7). (continue)
Anesthesia, General
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Biopsy
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Colposcopes
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Colposcopy
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Diagnosis
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Gynecology
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Humans
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Hysterectomy
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Laser Therapy
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Lasers, Gas*
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Obstetrics
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Prevalence
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Rare Diseases
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Seoul
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Vagina
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Volatilization*
6.Case of cytomegalovirus pneumonia presented as pneumothorax in 4-month-old healthy infant
Dong Hee KANG ; Su Yeon KIM ; Young Eun KIM ; Hyo Jung KOH ; Yeon Hwa AHN
Allergy, Asthma & Respiratory Disease 2021;9(2):104-108
Cytomegalovirus (CMV) is the most common agent of congenital infections and opportunistic infections in an immunocompromised host. CMV in an immunocompetent host has inapparent infections, which are usually asymptomatic or cause mild mononucleosis-like symptoms. However, severe CMV diseases, such as pneumonia, hepatitis, gastrointestinal disease, often occur in a healthy infant. The association of CMV pneumonia with the development of pneumothorax has rarely been reported. We experienced a case of CMV pneumonia presenting as pneumothorax in a 4-month-old healthy infant, who was successfully treated with supportive care. CMV was confirmed by using CMV polymerase chain reaction of tracheal aspirates. This case suggested that CMV should be considered as a cause of viral pneumonia during the infant period.
7.Development and Testing of an Instrument to Measure Family's Emotional Response toward Physically Restrained Patients.
Eun Nam LEE ; Su Jin HA ; Ji Yeon KANG
Journal of Korean Academy of Nursing 2008;38(4):629-638
PURPOSE: This was a methodological research to develop an instrument to assess the emotional response of family members of physically restrained patients. METHODS: A primary instrument with 68 questions was developed based on literature review and semi-structured interviews with family members. A group of experts revised individual questions and removed 4 irrelevant questions. This secondary instrument, then, was tested with 199 family members of physically restrained patients in intensive care units of a university hospital. The validity and reliability of the instrument were tested by factor analysis. RESULTS: After item analysis, 3 questions with a correlation coefficient under .30 were discarded and the questions with a factor loading under .45 on Varimax Rotation were also removed. After factor analysis on the final 37 questions, 7 factors were identified; avoidance, shock, helplessness, grudge, depression, anxiousness, and acceptance. The total variance explained was 55.63%. The reliability of this instrument was 0.93 of Cronbach's alpha. CONCLUSION: This instrument was statistically reliable and valid to measure family's emotional response to physical restraints of the patients. This instrument can be useful in assessing the effects of nursing interventions for family members of restrained patients.
Adolescent
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Adult
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Child
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Emotions
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Family/*psychology
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Female
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Humans
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Intensive Care Units
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Interviews as Topic
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Male
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Middle Aged
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*Program Development
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Questionnaires
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Reproducibility of Results
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*Restraint, Physical
8.A Study on the Policy Implication on the Management of Narcotics Distribution for Medical Use.
Su Yeon YU ; Hyunmin CHO ; Hyeun Ah KANG ; Sukyeong KIM
Korean Journal of Clinical Pharmacy 2015;25(4):280-285
OBJECTIVES: To suggest direction for improving policies by understanding current management of narcotics or psychotropic drugs and analyzing their distributions and usage. METHOD: We conducted a comparison analysis between health insurance claims and the amount supplied to health care institutions for narcotics or psychotropic drugs through health insurance claims data and drug distribution supply data from 2010 to 2012 collected from Korea Pharmaceutical Information Service Center (KPIS). Furthermore, we carried out literature investigation and online search to comprehend the current management of narcotics drugs in Korea. RESULTS: The amount supplied to medical institutions for all drugs in 2012 was 19.4 trillion won, which increased from 19.5 trillion in 2011 by 0.54%. For narcotic drugs, the amount supplied was 318.4 billion won in 2011 and increased to 335.1 billion won by 5.3% in 2012, which exceeded the rate of increase for the amount supplied for all drugs. The proportion of amount claimed in the total amount supplied to medical institutions for all drugs was 60.5% in 2012, whereas the proportion of amount claimed for narcotic drugs was 55.6%, which showed that narcotic drugs were used relatively less within health insurance. Furthermore, management of the current domestic distribution supply data focuses on manufacturing and medical institution supply stages. CONCLUSION: Hereafter, the management of narcotics or psychotropic drugs needs to be improved by reinforcing active monitoring in optimal prescription and usage in patients by collecting and analyzing information on drug usage of patients.
Delivery of Health Care
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Humans
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Information Services
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Insurance, Health
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Korea
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Narcotics*
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Prescriptions
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Psychotropic Drugs
9.Which Keratometer is Most Reliable for Correcting Astigmatism with Toric Intraocular Lenses?.
Minwook CHANG ; Su Yeon KANG ; Hyo Myung KIM
Korean Journal of Ophthalmology 2012;26(1):10-14
PURPOSE: To evaluate the accuracy of preoperative keratometers used in cataract surgery with toric intraocular lens (IOL). METHODS: Twenty-five eyes received an AcrySof toric IOL implantation. Four different keratometric methods, a manual keratometer, an IOL master, a Pentacam and an auto keratometer, were performed preoperatively in order to evaluate preexisting corneal astigmatism. Differences between the true residual astigmatism and the anticipated residual astigmatism (keratometric error) were compared at one and three months after surgery by using a separate vector analysis to identify the keratometric method that provided the highest accuracy for astigmatism control. RESULTS: The mean keratomeric error was 0.52 diopters (0.17-1.17) for the manual keratometer, 0.62 (0-1.31) for the IOL master, 0.69 (0.08-1.92) for the Pentacam, and 0.59 (0.08-0.94) for the auto keratometer. The manual keratometer was the most accurate, although there was no significant difference between the keratometers (p > 0.05). All of the keratometers achieved an average keratometric error of less than one diopter. CONCLUSIONS: Manual keratometry was the most accurate of the four methods evaluated, although the other techniques were equally satisfactory in determining corneal astigmatism.
Analysis of Variance
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Astigmatism/complications/*surgery
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*Cataract Extraction
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Female
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Humans
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Lens Implantation, Intraocular/*methods
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*Lenses, Intraocular
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Magnetic Resonance Imaging
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Male
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Prospective Studies
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Refraction, Ocular
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Reproducibility of Results
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Treatment Outcome
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Visual Acuity
10.Decreasing effect of an anti-Nfa1 polyclonal antibody on the in vitro cytotoxicity of pathogenic Naegleria fowleri.
Seok Ryoul JEONG ; Su Yeon KANG ; Sang Chul LEE ; Kyoung Ju SONG ; Kyung il IM ; Ho Joon SHIN
The Korean Journal of Parasitology 2004;42(1):35-40
The nfa1 gene was cloned from a cDNA library of pathogenic Naegleria fowleri by immunoscreening; it consisted of 360 bp and produced a 13.1 kDa recombinant protein (rNfa1) that showed the pseudopodia-specific localization by immunocytochemistry in the previous study. Based on the idea that the pseudopodia-specific Nfa1 protein mentioned above seems to be involved in the pathogenicity of N. fowleri, we observed the effect of an anti-Nfa1 antibody on the proliferation of N. fowleri trophozoites and the cytotoxicity of N. fowleri trophozoites on the target cells. The proliferation of N. fowleri trophozoites was inhibited after being treated with an anti-Nfa1 polyclonal antibody in a dose-dependent manner for 48 hrs. By a light microscope, CHO cells co-cultured with N. fowleri trophozoites (group I) for 48 hrs showed severe morphological destruction. On the contrary, CHO cells co-cultured with N. fowleri trophozoites and anti-Nfa1 polyclonal antibody (1: 100 dilution) (group II) showed less destruction. In the LDH release assay results, group I showed 50.6% cytotoxicity, and group II showed 39.3%. Consequently, addition of an anti-Nfa1 polyclonal antibody produced a decreasing effect of in vitro cytotoxicity of N. fowleri in a dosedependent manner.
Animals
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Antibodies, Protozoan/*immunology
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Antigens, Protozoan/genetics/*immunology
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CHO Cells
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Dose-Response Relationship, Immunologic
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Female
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Hamsters
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Mice
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Mice, Inbred BALB C
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Naegleria fowleri/growth & development/immunology/*pathogenicity
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Protozoan Proteins/genetics/*immunology
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Recombinant Proteins/immunology
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Support, Non-U.S. Gov't