1.Histologic Changes of Normal Human Skin in Organ Culture.
Jeong Hyon BAEK ; Yeul Hoon SUNG ; Jeung Hoon LEE ; Jang Kyu PARK ; Jeong Kyu PARK
Korean Journal of Dermatology 1990;28(2):130-135
Since adult human skin can be grown in chernically defined medium without serum, the skin organ culture has gained a great interest as a method for studies concerning skin biology, pharmacology and toxicology. however, serum supplementation has extensively been used to improve the viahility of tissue culture. This study was undertaken to evaluate the effect of serum on the histologic changes ohserved during the organ culture of the normal human skin. The general architecture of the skin was well maintained for 6 days with or without seru. After then, fetal calf serum or autologous human serum was found to enhance the viability of the epidermis. A confluent layer of necrotic spinous ceils was ovserved earlier and more widespread without serum. The addition of serum had an impressive effect on epibolization. In the absenee of serum, the formation of the epibolus was not only minimal, but also, susceptible to degeneration, and no epibolus remained at 10 days rif incubation. No difference can be found between fetal calf serm and autologous human serum in the formation of the epibolus. There was no favorable effect of serum on the formation of new stratum corneum. The thickness of new straturn corneum increased in parallel with the number of parakeratatic cells, increasing most rapidly between 6 and 8 days of incubation. Parakeratosis was more prominent in the presence of serurn.
Adult
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Biology
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Epidermis
;
Humans*
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Organ Culture Techniques*
;
Parakeratosis
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Pharmacology
;
Selective Estrogen Receptor Modulators
;
Skin*
;
Toxicology
2.Comments to "Various Nail Disorders Misdiagnosed and Treated as Onychomycosis".
Ji Hoon CHUN ; Ji Hye BAEK ; Hyun Jeong PARK ; Baik Kee CHO
Korean Journal of Dermatology 2012;50(7):668-669
No abstract available.
Nails
3.Primary Cutaneous Diffuse Large B-cell Lymphoma with Multifocal Subcutaneous Lesions.
Min Ja JUNG ; Young Hoon KIM ; Jeong Joon EIM ; Baek Yeol RYOO ; Seung Sook LEE ; Ki Ho KIM
Annals of Dermatology 2002;14(1):51-55
We report herein a case of primary cutaneous diffuse large B-cell lymphoma with multiple skin lesions in a Korean woman. A 56-year-old woman presented with rapidly growing multiple sub-cutaneous nodules in her right flank and right upper arm. Microscopic examination of skin biopsy specimen showed diffuse infiltrates of large atypical lymphocytes with vesicular nuclei, prominent nucleoli and moderate degree of mitotic figures in deep dermis and subcutis. Immunophenotypic studies revealed the lymphoid infiltrates reacted with CD45, CD20 and bcl-2 protein, but none of the sections expressed CD3, bcl-6 protein and CD30. In physical examination and staging work-up, we could not find any other extracutaneous or systemic involvement. She was treated with 2 cycles of high-dose multiagent chemotherapy with the Vanderbilt and the BEAM regimen combined with the autologous peripheral blood stem cell transplantation. Until now, 10 months after termination of treatment, she has shown improvement of all skin lesions and no development of extracutaneous disease.
Arm
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B-Lymphocytes*
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Biopsy
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Dermis
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Drug Therapy
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Female
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Humans
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Lymphocytes
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Lymphoma, B-Cell*
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Middle Aged
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Peripheral Blood Stem Cell Transplantation
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Physical Examination
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Skin
4.EEG and Topographic Frequency Analysis of Laser Therapeutic Efficacy in Occipital Headaches.
Woon Yi BAEK ; Jeong Cheul PARK ; Young Hoon JEON ; Su Hyun LEE ; Jeong OK LIM ; Jeung Soo HUH
Korean Journal of Anesthesiology 2001;41(5):582-588
BACKGROUND: It is controversial that an electrocardiography (EEG) is valuable in evaluation of patients with headache. The purpose of this study was to determine whether EEG brain mapping can be a useful indicator for evaluating the analgesic efficacy of treatment on the patient with an occipital headache. METHODS: We did an EEG on 20 patients with occipital headaches at the peri-laser application period. The laser was radiated for 3 minutes a third of the total distance from the external occipital protuberance to the mastoid process on the superior nuchal line. An EEG was taKen before laser radiation as control use, and at 10, 30 and 60 minutes after laser radiation by 32 channel electrodes (international 10 20 system). The EEG mapping was red for the high electric potential and blue for the low electric potential. RESULTS: Compared with control group, the alpha wave increased significantly in parieto-occipital and occipital region at 60 minutes after laser radiation (P < 0.05). DarK red color was increased especially in occipital region at 60 minutes after laser radiation, compared with EEG mapping before laser radiation. Good and Fair improvements were observed in 55% of the patients with occipital headaches. CONCLUSIONS: We conclude that EEG can be a valuable indicator in the evaluation of analgesic efficacy of treatment in the patients suffering from occipital headaches. Pain scores were assessed by the patient with the visual analogue scale (VAS).
Brain Mapping
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Electrocardiography
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Electrodes
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Electroencephalography*
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Headache*
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Humans
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Mastoid
5.Molecular Epidemiology of Vancomycin-resistant Enterococci Isolated from Patients in a Neonatal Intensive Care Unit.
Jeong Man KIM ; Kil Ho PARK ; A Sung KIM ; Seok Hoon JEONG ; Hyun Yong HWANG ; Yong Woon BAEK
Korean Journal of Clinical Pathology 2001;21(1):40-44
BACKGROUND: Recently, an acquired resistance to vancomycin in enterococci has become a serious clinical problem. For the prevention of further propagation of vancomycin-resistant enterococci (VRE), epidemiological study of the infection is essential, but studies on the VRE infection are rare in Korea. We conducted an analysis of the epidemiology of a VRE outbreak in a neonatal intensive care unit (NICU) to clear up the route of propagation of the VRE. METHODS: Vancomycin-resistant Enterococcus faecium (VREFM) strains were isolated from urine specimens of seven patients, rectal swabs from seven patients, and three skin swabs from two patients in the Kosin Medical Center neonatal intensive care unit, Pusan, Korea. Antimicrobial susceptibilities were tested by a disk diffusion method and agar dilution method. Genotypes of vancomycin-resistance were determined by PCR and SmaI-digested genomic enterococcal DNAs were analyzed by pulsed-field gel electrophoresis. RESULTS: All of the 17 strains of VREFM were resistant to ampicillin, vancomycin, and teicoplanin and they showed the same genotype (vanA). SmaI-digested genomic DNAs of seven strains isolated from urine were typed as I (1), II (1), IIIb (4), and IV (1). Three strains from skin swabs were I (2) and II (1). Six strains from rectal swabs were I (2), II (1), and IIIa (3). Genomic DNA typing of one isolate from a rectal swab failed. Each genomic DNA type of VREFM strains isolated from skin swabs of two patients were the same with those from urine specimens as I and II, respectively. CONCLUSIONS: This study suggests that VRE strains colonized in the intestines can cause infections after skin colonizing and can be transmitted/propagated to other people through skin contact. In conclusion, it is important for the prevention of the dissemination of VRE that controls for patients' skin hygiene, as well as hand washing by medical persons, be put in place.
Agar
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Ampicillin
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Busan
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Colon
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Diffusion
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DNA
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DNA Fingerprinting
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Electrophoresis, Gel, Pulsed-Field
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Enterococcus faecium
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Epidemiologic Studies
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Epidemiology
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Genotype
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Hand Disinfection
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Humans
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Hygiene
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Infant, Newborn
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Intensive Care, Neonatal*
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Intestines
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Korea
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Molecular Epidemiology*
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Polymerase Chain Reaction
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Skin
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Teicoplanin
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Vancomycin
6.Antimicrobial Susceptibilites of Glycopeptides, Arbekacin and Quinupristin/Dalfopristin against Staphylococcal aureus isolates.
Seung Hee HA ; Seok Hoon JEONG ; Tae Sik JEONG ; Dae Young SEO ; Chulhun CHANG ; Hee Jun NAM ; Young Woon BAEK ; Jong Heaon JI
Korean Journal of Infectious Diseases 2001;33(4):261-265
No abstract available.
Glycopeptides*
8.Proteasome-Inhibitor-Based Primary Therapy for Antibody-Mediated Rejection in a Renal Transplant Recipient.
Se Jeong PARK ; Hoon YU ; Sung Hee KANG ; Seung Don BAEK ; Chung Hee BAEK ; Jae Ho JEONG ; Su Kil PARK
Korean Journal of Medicine 2011;81(6):780-785
Donor-specific anti-human leukocyte antigen antibodies (DSA) following kidney transplantation predict the evolution of humoral rejection and reduced graft survival. Rapid, complete elimination of DSA during antibody-mediated rejection (AMR) is rarely achieved with traditional antihumoral therapies. We report the case of a 39-year-old female who was admitted for increasing azotemia and diagnosed with AMR based on diffusely positive histological changes on C4d immunostaining. In this case, bortezomib reversed the histological changes and induced a reduction in DSA. Proteasome-inhibitor-based combination therapy is a potential means for rapid DSA elimination in antibody-mediated rejection in renal transplant recipients.
Adult
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Antibodies
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Azotemia
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Boronic Acids
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Complement C4b
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Female
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Graft Survival
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HLA Antigens
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Humans
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Kidney Transplantation
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Leukocytes
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Peptide Fragments
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Proteasome Inhibitors
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Pyrazines
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Rejection (Psychology)
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Transplants
;
Bortezomib
9.Proteasome-Inhibitor-Based Primary Therapy for Antibody-Mediated Rejection in a Renal Transplant Recipient.
Se Jeong PARK ; Hoon YU ; Sung Hee KANG ; Seung Don BAEK ; Chung Hee BAEK ; Jae Ho JEONG ; Su Kil PARK
Korean Journal of Medicine 2011;81(6):780-785
Donor-specific anti-human leukocyte antigen antibodies (DSA) following kidney transplantation predict the evolution of humoral rejection and reduced graft survival. Rapid, complete elimination of DSA during antibody-mediated rejection (AMR) is rarely achieved with traditional antihumoral therapies. We report the case of a 39-year-old female who was admitted for increasing azotemia and diagnosed with AMR based on diffusely positive histological changes on C4d immunostaining. In this case, bortezomib reversed the histological changes and induced a reduction in DSA. Proteasome-inhibitor-based combination therapy is a potential means for rapid DSA elimination in antibody-mediated rejection in renal transplant recipients.
Adult
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Antibodies
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Azotemia
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Boronic Acids
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Complement C4b
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Female
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Graft Survival
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HLA Antigens
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Humans
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Kidney Transplantation
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Leukocytes
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Peptide Fragments
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Proteasome Inhibitors
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Pyrazines
;
Rejection (Psychology)
;
Transplants
;
Bortezomib
10.Management of giant hepatic cysts in the laparoscopic era.
Chan Joong CHOI ; Young Hoon KIM ; Young Hoon ROH ; Ghap Joong JUNG ; Jeong Wook SEO ; Yang Hyun BAEK ; Sung Wook LEE ; Myung Hwan ROH ; San Young HAN ; Jin Sook JEONG
Journal of the Korean Surgical Society 2013;85(3):116-122
PURPOSE: We sought to evaluate the feasibility and outcomes of laparoscopic resection of giant hepatic cysts and surgical success, focusing on cyst recurrence. METHODS: From February 2004 to August 2011, 37 consecutive patients with symptomatic hepatic cysts were evaluated and treated at Dong-A University Hospital. Indications were simple cysts (n = 20), multiple cysts (n = 6), polycystic disease (n = 2), and cystadenoma (n = 9). RESULTS: The median patient age was 64 years, with a mean lesion diameter of 11.4 cm. The coincidence between preoperative imaging and final pathologic diagnosis was 54% and half (n = 19) of the cysts were located in segments VII and VIII. Twenty-two patients had American Society of Anesthesiologists (ASA) classification I and II, and nine had ASA classification III. Surgical treatment of hepatic cysts were open liver resection (n = 3), laparoscopic deroofing (n = 24), laparoscopic cyst excision (n = 4), laparoscopic left lateral sectionectomy (n = 2), hand assisted laparoscopic procedure (n = 2), and single port laparoscopic deroofing (n = 2). The mean fellow-up was 21 months, and six patients (16%) experienced radiographic-apparent recurrence. Reoperation due to recurrence was performed in two patients. Among the factors predicting recurrence, multivariate analysis revealed that interventional radiological procedures and pathologic diagnosis were statistically significant. CONCLUSION: Laparoscopic resection of giant hepatic cysts is a simple and effective method to relieve symptoms with minimal surgical trauma. Moreover, the recurrence is dependent on the type of pathology involved, and the sclerotherapy undertaken.
Cystadenoma
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Hand
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Humans
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Laparoscopy
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Liver
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Multivariate Analysis
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Recurrence
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Reoperation
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Sclerotherapy