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Percutaneous Dual-Switching Monopolar Radiofrequency Ablation Using a Separable Clustered Electrode: A Preliminary Study

Choi TW, Lee JM, Lee DH, Lee JH, Yu SJ, Kim YJ, Yoon JH, Han JK

OBJECTIVE: To prospectively evaluate the safety and therapeutic effectiveness of dual-switching monopolar (DSM) radiofrequency ablation (RFA) for the treatment of hepatocellular carcinoma (HCC), and to retrospectively compare the results with...
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Comparison of Multidetector CT and Gadobutrol-Enhanced MR Imaging for Evaluation of Small, Solid Pancreatic Lesions

Choi TW, Lee JM, Kim JH, Yu MH, Han JK, Choi BI

OBJECTIVE: To compare multidetector computed tomography (MDCT) and MRI for lesion conspicuity, as well as the detection and characterization of small solid pancreatic lesions (SPLs). MATERIALS AND METHODS: 193 patients with...
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Persistent Dysphagia Caused by Conversion Disorder

Moon HI, Choi TW, Pyun SB

  • KMID: 2506376
  • J Korean Dysphagia Soc.
  • 2015 Jul;5(2):71-74.
Conversion disorder is often characterized by various neurological symptoms affecting motor and sensory functions, with unknown mechanism. Although the disease can be presented with various symptoms, persistent dysphagia due to...
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The Safety and Clinical Outcomes of Chemoembolization in Child-Pugh Class C Patients with Hepatocellular Carcinomas

Choi TW, Kim HC, Lee JH, Yu SJ, Kang B, Hur S, Lee M, Jae HJ, Chung JW

OBJECTIVE: To evaluate the safety and clinical outcomes of chemoembolization in Child-Pugh class C patients with hepatocellular carcinomas (HCC). MATERIALS AND METHODS: The study comprised 55 patients with HCC who were...
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Characteristics of Visual-Perceptual Function Measured by the Motor-Free Visual Perception Test-3 in Korean Adults

Han AR, Kim DY, Choi TW, Moon HI, Ryu BJ, Yang SN, Pyun SB

OBJECTIVE: To adapt and standardize the Motor-Free Visual Perception Test-3 (MVPT-3) to Koreans and investigate the change in visual-perceptual function using the MVPT-3 in healthy Korean adults. METHODS: The Korean version...
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Factors Affecting the Motor Evoked Potential Responsiveness and Parameters in Patients With Supratentorial Stroke

Choi TW, Jang SG, Yang SN, Pyun SB

OBJECTIVE: To investigate the factors which affect the motor evoked potential (MEP) responsiveness and parameters and to find the correlation between the function of the upper extremities and the combined...
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Reduplicative Paramnesia after Right Frontoparietal Infarction -A Case Report-

Choi TW, Pyun SB

Reduplicative paramnesia (RP) is one of delusional disorders characterized by false belief that a familiar place, person, or object had been duplicated. There have been several hypotheses about anatomical basis...
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Superior Orbital Subperiosteal Abscess due to Infected Mucocele: A Case Report and Review of the Literature

Lee JH, Lee SH, Choi TW, Lee JH

  • KMID: 2276631
  • Korean J Otolaryngol-Head Neck Surg.
  • 2006 Apr;49(4):451-454.
Subperiosteal abscess is one of the most common orbital complications of acute sinusitis. It can result in significant morbidity if not appropriately managed. Mucoceles of the paranasal sinuses are chronic...
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Congenital Defect of Vomer: A Case Report and Review of the Literature

Lee JH, Lee SH, Choi TW, Lee JH

  • KMID: 2276558
  • Korean J Otolaryngol-Head Neck Surg.
  • 2006 Jan;49(1):106-108.
Among the variety of local and systemic causative factors of nasal septal defects, the most frequent cause is the iatrogenic perforation found during septal surgery. We report a 10-year-old boy...
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A Study of Susceptibility between Allergic Rhinitis and Tumor Necrosis Factor Gene Polymorphism Study in Korean

Lee JH, Choi TW, Lee JH, Jeong HM, Min JY, Kim JJ

  • KMID: 1875136
  • Korean J Otolaryngol-Head Neck Surg.
  • 2005 Sep;48(9):1107-1110.
BACKGROUND AND OBJECTIVES: Tumor necrosis factor-alpha (TNF-alpha) is recognized as a proinflammatory host alert cytokine that is synthesized early during inflammation, and elevations of this cytokine have been reported in...
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A Study of Susceptibility between Allergic Rhinitis and IL-4 Receptor alpha Gene Polymorphism Study in Korean

Lee JH, Choi TW, Lee JH, Lee SH, Jeong HM, Min JY, Kim JJ

  • KMID: 2276463
  • Korean J Otolaryngol-Head Neck Surg.
  • 2005 Aug;48(8):1004-1007.
BACKGROUND AND OBJECTIVES: The IL-4 receptor (IL-4R) gene has been suggested as a candidate gene for atopic diseases. The IL-4R consists of two subunits: the alpha chain (IL-4Ralpha), which is...
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A Study of Susceptibility between Allergic Rhinitis and Glutathione S-Transferase Gene Polymorphism Study in Korean

Lee JH, Choi TW, Lee JH, Yoon SW, Seo HH, Min JY, Kim JJ

  • KMID: 2276437
  • Korean J Otolaryngol-Head Neck Surg.
  • 2005 Jul;48(7):866-869.
BACKGROUND AND OBJECTIVES: Glutathione S-transferase (GST) enzymes have an important role in preventing the build-up of reactive oxygen species. Polymorphisms in genes involved in response to oxidative stress may play...
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A Study of Susceptibility between Allergic Rhinitis and FcepsilonRIbeta Gene Polymorphism Study in Korean

Lee JH, Choi TW, Lee JH, Seo HH, Min JY, Kim JJ

  • KMID: 2276416
  • Korean J Otolaryngol-Head Neck Surg.
  • 2005 Jun;48(6):749-753.
BACKGROUND AND OBJECTIVES: Human basophils and mast cells play a central role in allergic disease. The beta subunit of the high affinity IgE receptor (FcepsilonRIbeta) gene is one of the...
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A Immunohistochemical Study of Expression of Inducible Isoform of Heme Oxygenase on Human Nasal Polyps

Park SY, Choi TW, Lee JH, Choi SH, Lee JH, Yun KJ

  • KMID: 1597343
  • Korean J Otolaryngol-Head Neck Surg.
  • 2005 May;48(5):619-623.
BACKGROUND AND OBJECTIVES: Nasal polyp is non-neoplastic, chronic inflammatory disease of the nasal mucosa. Oxidative stress may be related to the pathogenesis of nasal polyp. Oxidative stress may be potential...
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Undifferentiated Small Round Cell Tumor of the Nasal Vestibule

Choi TW, Yoon SW

  • KMID: 2276525
  • Korean J Otolaryngol-Head Neck Surg.
  • 2005 Nov;48(11):1414-1416.
Small round cell tumors of the nasal vestibule are very uncommon tumors and encountered rarely in the late-adolescent and adult age group. The authors experienced a case of undifferentiated small...
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A Study of Susceptibility between Allergic Rhinitis and IL-13 Exon 4 G2044A Gene Polymorphism Study in Korean

Lee JH, Choi TW, Lee JH, Choi SH, Kim MS, Min JY, Kim JJ

  • KMID: 2276339
  • Korean J Otolaryngol-Head Neck Surg.
  • 2005 Jan;48(1):61-64.
BACKGROUND AND OBJECTIVES: High total serum IgE level is one of the characteristics seen in allergic rhinitis. IL-13 provides impetus to immunoglobulin class switching to IgE. The IL-13 promoter single...
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A Study of Susceptibility between Allergic Rhinitis and STAT6 Gene G2964A Polymorphism Study of a Korean Population

Lee JH, Choi TW, Lee JH, Jang CH, Choi SH, Kim MS, Kim JJ

  • KMID: 2276215
  • Korean J Otolaryngol-Head Neck Surg.
  • 2004 Sep;47(9):868-871.
BACKGROUND AND OBJECTIVES: T helper-type 2 cytokines, such as IL-4 and IL-13, may play a central role in allergic diseases. The proteins known as signal transducers and activators of transcription...
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STAT6 Gene Polymorphisms in Allergic Rhinitis

Kim JJ, Kim MS, Lee JH, Choi TW, Choi SH, Lee JH, Chung HT

  • KMID: 2053078
  • Genomics Inform.
  • 2004 Sep;2(3):126-130.
T helper-type 2 cytokines, such as IL-4 and IL-13, may play a central role in allergic diseases. The protein known as signal transducers and activators of transcription 6 (STAT6) is...
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A Study of Prevalence between Allergic Rhinitis and CCR5 Gene Polymorphism Study of a Korean Population

Lee JH, Choi TW, Oh CK, Park SY, Yoon SW, Kim JJ

  • KMID: 2276173
  • Korean J Otolaryngol-Head Neck Surg.
  • 2004 Jun;47(6):545-548.
BACKGROUND AND OBJECTIVES: CC chemokine receptor (CCR5) is characteristic of the Th 1 phenotype, the receptor of RANTES, MIP-1alphaand MIP-1beta. The receptor of CCR5 delta32 (a 32 bp deletion in...
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Genetic Susceptibilities of MCP-1 and CCR2 to the Risk for Korean Allergic Rhinitis Patients Using Polymorphism Study

Lee JH, Choi TW, Oh CK, Park SY, Yoon SW, Oh GJ, Kim JJ

  • KMID: 2276098
  • Korean J Otolaryngol-Head Neck Surg.
  • 2004 Feb;47(2):127-131.
BACKGROUND AND OBJECTIVES: A biallelic A/G polymorphism in the Monocyte chemotactic protein (MCP) -1 at position -2518 has been found to affect the level of MCP-1 expression. To investigate if...
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