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Serotyping and Antimicrobial Susceptibility of Salmonella Isolated in Korea in 2015

Kim SH, Park EH, Hwang IY, Lee H, Song SA, Lee M, Lee S, Kim SY, Kim JJ, Shin JH, Hong SG, Shin KS, Kim S, Ryoo NH, Lee W, Jang SJ, Shin JH

BACKGROUND: Salmonella is an important pathogen that causes gastroenteritis and sepsis in humans. Recently, changes in serotype prevalence and an increase in antimicrobial resistance have been reported. This study investigated...
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A Case of Monocular Gonococcal Conjunctivitis in an Adult Male

Lee YH, Ryoo NH, Jun JH

Gonococcal conjunctivitis is rare in adults and, if not treated properly, can cause corneal perforation. Gonococcal conjunctivitis typically presents with a severe mucopurulent discharge, similar to that associated with viral...
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BRCA1/2 mutations, including large genomic rearrangements, among unselected ovarian cancer patients in Korea

Kim DH, Cho CH, Kwon SY, Ryoo NH, Jeon DS, Lee W, Ha JS

OBJECTIVE: We performed small-scale mutation and large genomic rearrangement (LGR) analysis of BRCA1/2 in ovarian cancer patients to determine the prevalence and the characteristics of the mutations. METHODS: All ovarian cancer...
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Comparison and Evaluation of Diagnostic Assays for Clostridium difficile Infection

Kim KB, Kim DH, Lee W, Ha JS, Ryoo NH, Jeon DS, Kim JR

BACKGROUND: Clostridium difficile is a leading causative microorganism of pseudomembranous colitis (PMC) and antibiotic-associated diarrhea. In patients who have a history of antibiotic use and diarrhea, the presence of the...
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First Case of Pulmonary Mycobacterium parascrofulaceum Infection in a Patient With Bronchiectasis in Korea

Kim KB, Park SG, Park JS, Lee W, Ha JS, Ryoo NH, Jeon DS, Kim JR

No abstract available.
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Frequency and Clinicohematologic Characteristics of MPL W515 Mutations in Patients with Myeloproliferative Neoplasms

Park SG, Kim KB, Lee W, Ha JS, Ryoo NH, Jeon DS, Kim JR, Ham JY, Suh JS, Kim YK

BACKGROUND: Recently, myeloproliferative leukemia (MPL) W515 mutations have been reported to be molecular markers for myeloproliferative neoplasms (MPNs). We studied the association between MPL W515 mutations and the clinico-hematological features...
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A Case of Phoma glomerata Keratitis Occurred in Recurrent Herpes Simplex Keratitis Cicatrix

Jun JH, Ryoo NH, Chang SD

  • KMID: 2338865
  • J Korean Ophthalmol Soc.
  • 2014 Aug;55(8):1229-1232.
PURPOSE: To report a case of Phoma glomerata keratitis occurring in recurrent herpes simplex keratitis cicatrix. CASE SUMMARY: A 63-year-old male patient was admitted to our hospital with complaints of abrupt...
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A Case of Beauveria Bassiana Keratitis Confirmed by Gene Sequencing

Jun JH, Ryoo NH, Kim EC, Chang SD

  • KMID: 2338748
  • J Korean Ophthalmol Soc.
  • 2014 Jun;55(6):923-927.
PURPOSE: To report a case of Beauveria bassiana keratitis that was confirmed by gene sequencing. CASE SUMMARY: A 70-year-old man presented to our hospital with complaints of ocular pain and deterioration...
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Is the Environment of the Endoscopy Unit a Reservoir of Pathogens?

Choi ES, Choi JH, Lee JM, Lee SM, Lee YJ, Kang YJ, Kim ES, Cho KB, Park KS, Jang BK, Hwang JS, Chung WJ, Ryoo NH, Jeon SW, Jung MK

BACKGROUND/AIMS: Given the characteristic procedures involved in the endoscopy unit, the spread of pathogens is much more frequent in this unit than in other environments. However, there is a lack...
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A Multicentre Study about Pattern and Organisms Isolated in Follow-up Blood Cultures

Shin JH, Kim EC, Kim S, Koh EH, Lee DH, Koo SH, Cho JH, Kim JS, Ryoo NH

BACKGROUND: This study analysed patterns of requests for repeated blood cultures and the microorganisms isolated in follow-up cultures. METHODS: The frequencies and intervals of repeated blood cultures performed during January and...
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Two Cases of Partial Trisomy 4p and Partial Trisomy 14q

Kim YH, Kim HS, Ryoo NH, Ha JS

We present clinical and cytogenetic data on 2 cases of partial trisomy 4p and partial trisomy 14q. Both patients had an extra der(14)t(4;14)(p15.31;q12) chromosome due to a 3:1 segregation from...
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Number of Blood Cultures per 1,000 Patient Days at University-Affiliated Hospitals in Korea

Kim EC, Shin JH, Kim S, Lee NY, Cho JH, Koo SH, Ryoo NH, Joo SI

The authors calculated the number of blood cultures per 1,000 admitted patient days at seven university-affiliated hospitals in 2010, which ranged from 65 to 129 (mean 110). The number of...
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A Case of Acute Myeloid Leukemia Transformed from JAK2 V617F-Positive Chronic Neutrophilic Leukemia

Lee JH, Ha JS, Ryoo NH, Jeon DS, Kim JR

  • KMID: 2312191
  • Lab Med Online.
  • 2012 Apr;2(2):101-104.
Chronic neutrophilic leukemia (CNL) is a rare myeloproliferative neoplasm (MPN) characterized by persistent peripheral blood neutorphilia, bone marrow hypercellularity of neutrophilic granulocyte proliferation and hepatosplenomegaly. Acquired somatic mutation, JAK2 V617F,...
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Phialemonium obovatum Keratitis after Penetration Injury of the Cornea

Hong KH, Ryoo NH, Chang SD

Phialemonium keratitis is a very rare case and we encountered a case of keratitis caused by Phialemonium obovatum (P. obovatum) after penetrating injury to the cornea. This is the first...
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Characteristics of Microorganisms Isolated from Blood Cultures at Nine University Hospitals in Korea during 2009

Kim HJ, Lee NY, Kim S, Shin JH, Kim MN, Kim EC, Koo SH, Ryoo NH, Kim JS, Cho JH

BACKGROUND: Blood culture is important for determining the etiologic agents of bacteremia and fungemia. Analyses of blood culture results and antimicrobial susceptibility can provide clinicians with relevant information for the...
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Comprehensive Analysis of Blood Culture Performed at Nine University Hospitals in Korea

Shin JH, Song SA, Kim MN, Lee NY, Kim EC, Kim S, Koo SH, Ryoo NH, Kim JS, Cho JH

BACKGROUND: Optimal blood culture performance is critical for successful diagnosis and treatment of sepsis. To understand the status of blood culture, we investigated several aspects of the procedure at 9...
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Brodie's Abscess Caused by Salmonella enteritica serovar Senftenberg in a Healthy Child

Ryoo NH, Ha JS, Song KS

Salmonella enteritica serovar Senftenberg is a rare pathogen in osteomyelitis, and is not usually encountered in healthy individuals. Here we report radiological and microbiological findings of a case of Brodie's...
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IS6110-Restriction Fragment Length Polymorphism and Spoligotyping Analysis of Mycobacterium tuberculosis Clinical Isolates for Investigating Epidemiologic Distribution in Korea

Choi GE, Jang MH, Song EJ, Jeong SH, Kim JS, Lee WG, Uh Y, Roh KH, Lee HS, Shin JH, Ryoo NH, Kim YR, Jeong J, Kim JH, Lee SM, Yi J, Hwang SH, Kim HH, Lee EY, Chang CL, Kim MB, Kim YD

The Beijing family of Mycobacterium tuberculosis has been emerging in the world. However, there are few nationwide data of genotypic distribution in Korea. This study aimed to identify the genotypic...
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Evaluation of the Usefulness of Selective Chromogenic Agar Medium (ChromID VRE) and Multiplex PCR Method for the Detection of Vancomycin-resistant Enterococci

Kim DH, Lee JH, Ha JS, Ryoo NH, Jeon DS, Kim JR

BACKGROUND: Accurate and early detection of vancomycin-resistant enterococci (VRE) is critical for controlling nosocomial infection. In this study, we evaluated the usefulness of a selective chromogenic agar medium and of...
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Prevalence of Metallo-beta-lactamases in Imipenem-non-susceptible Pseudomonas aeruginosa and Acinetobacter baumannii

Ryoo NH, Ha JS, Jeon DS, Kim JR

BACKGROUND: Metallo-beta-lactamases (MBLs) have been reported in gram negative bacilli and are becoming increasingly important clinically because the enzymes hydrolyse almost all beta-lactams, including carbapenems. Thus, the present study was...
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