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Analysis of Radionuclides for Induced-Radioactive Waste from Medical Linear Accelerator

Kwon NH, Kim DW, Shin DO, Kim JS, Choi SH

  • KMID: 2510054
  • Prog Med Phys.
  • 2020 Sep;31(S1):S26.
Purpose: Linear accelerator (Linac) with 10 MV or higher energy generates photo-neutron through photo-nuclear reaction. As components of Linac are activated by neutron, analyzing radioactive waste in the process of...
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Trend Analysis on Korean and International Management for Activated Material Waste from Medical Linear Accelerator

Kwon NH, Jang YJ, Kim DW, Shin DO, Kim KB, Kim JS, Choi SH

This study investigated and analyzed the Korean and international status of radioactive waste management for medical linear accelerators (linacs) and proceed prior research to suggest radiation safety regulations and guidelines...
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Methionyl-tRNA Synthetase is a Useful Diagnostic Marker for Lymph Node Metastasis in Non-Small Cell Lung Cancer

Lee JM, Kim T, Kim EY, Kim A, Lee DK, Kwon NH, Kim S, Chang YS

PURPOSE: Identification of lymph node (LN) metastasis in non-small cell lung cancer (NSCLC) is critical for disease staging and selection of therapeutic modalities. Sometimes it is not possible to obtain...
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Risk Factors of Failure of Ibuprofen Treatment in Preterm Infants with Hemodynamically Significant Patent Ductus Arteriosus

Kwon NH, Lee JH, Jeon GW, Sin JB

PURPOSE: In this study, the risk factors of failure of ibuprofen treatment in preterm infants with hemodynamically significant patent ductus arteriosus (hsPDA) were investigated. METHODS: Among 403 preterm infants (
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A Concealed Brugada Electrocardiogram Pattern Revealed after Administering Propafenone to a Patient with Atrial Fibrillation

Sim HH, Kwon NH, Baeg JY, Yun CY, Ahn SM, Oh YM, Kim YJ

Brugada syndrome is characterized by sudden cardiac death associated with ventricular tachyarrhythmia in patients without structural heart disease. We recently observed a case of concealed Brugada ECG pattern, which appeared...
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A Validation Study for the Korean Version of Chronic Obstructive Pulmonary Disease Assessment Test (CAT)

Hwang YI, Jung KS, Lim SY, Lee YS, Kwon NH

  • KMID: 2320425
  • Tuberc Respir Dis.
  • 2013 Jun;74(6):256-263.
BACKGROUND: Health status measure is not only important for clinical research studies but also for clinical practices of chronic obstructive pulmonary disease (COPD) patients. The objective of this study is...
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Vertically Transmitted Severe Coxsackievirus B Infection in Four Preterm Twins Presented

Jung JS, Kwon NH, Jeon GW, Sin JB

During summer and fall months (from June to November), enteroviral infection is more common than group B streptococcal infection or herpes simplex viral infection in neonates. Enteroviruses are divided into...
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Clinical Manifestations and Characteristics in Patients with Horseshoe Kidney

Kim YK, Kwon NH, Kang DI, Chung WY

  • KMID: 2098913
  • J Korean Soc Pediatr Nephrol.
  • 2013 Oct;17(2):73-78.
PURPOSE: We aimed to investigate the clinical characteristics and associated diseases in children with a horseshoe kidney and compared these data between children and adults. METHODS: We performed a retrospective analysis...
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Prevalence of Congenital Coronary Artery Anomalies of Korean Men Detected by Coronary Computed Tomography

Park JH, Kwon NH, Kim JH, Ko YJ, Ryu SH, Ahn SJ, Kim YJ, Baeg JY, Kim JI

BACKGROUND AND OBJECTIVES: It has been demonstrated that the anomalous origin of coronary arteries (AOCA) are generally asymptomatic and rare diseases. However, some cases can cause severe life threatening events....
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Clinicopathologic Manifestations of Patients with Fordyce's Spots

Lee JH, Lee JH, Kwon NH, Yu DS, Kim GM, Park CJ, Lee JD, Kim SY

No abstract available.
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Multiple Bowen's Disease: In a Veteran Who Participated in Vietnam War

Kwon NH, Lee BI, Kim HS, Park YM, Kim HO, Lee JY

No abstract available.
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A Case of Balanced Type Double Aortic Arch Diagnosed Incidentally by Transthoracic Echocardiography in an Asymptomatic Adult Patient

Seo HS, Park YH, Lee JH, Hur SC, Ko YJ, Park SY, Kim JH, Kim YJ, Kim SY, Kwon NH

A 36-year-old male patient with no remarkable medical history was admitted to our hospital for a health check up. On chest radiography, bilateral aortic notches at the level of aortic...
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Glomus Tumor Arising in a Nose

Kwon NH, Lee JH, Kim KM, Kim SY

  • KMID: 1451600
  • Korean J Dermatol.
  • 2011 May;49(5):461-463.
Glomus tumor is composed of a benign neoplasm arising from the glomus body, which participates in thermal regulation. It usually presents as a circumscribed or solitary tumor characterized by paroxysmal...
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A Case of Metastatic Squamous Cell Carcinoma Arising from Actinic Cheilitis

Kwon NH, Kim SY, Kim GM

Actinic keratosis (AK) is a common, sun-induced, pre-malignant lesion with a strong likelihood of progressing to a malignancy. The reported risk of AK progressing to squamous cell carcinoma (SCC) varies...
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Gianotti-Crosti Syndrome Following Novel Influenza A (H1N1) Vaccination

Kwon NH, Kim JE, Cho BK, Park HJ

  • KMID: 2383267
  • Ann Dermatol.
  • 2011 Nov;23(4):554-555.
No abstract available.
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Idiopathic Calcinosis Cutis: Clinical and Histopathologic Review in a Series of 30 Patients (2000-2009)

Kwon NH, Kim HS, Lee JY, Kim HO, Park YM

  • KMID: 1451724
  • Korean J Dermatol.
  • 2011 Oct;49(10):907-914.
BACKGROUND: Idiopathic calcinosis cutis (CC) is currently sub-classified as tumoral CC, sub-epidermal calcified nodules, idiopathic CC of the scrotum, and milia-like CC. This sub-classification system is obscure and can be...
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Pretibial Epidermolysis Bullosa with Nail Dystrophy in a Family

Kwon NH, Kim JE, Park HJ, Cho BK

  • KMID: 2301872
  • Korean J Dermatol.
  • 2010 Jul;48(7):606-610.
Dominant dystrophic epidermolysis bullosa-pretibial (DDEB-Pt) is an extremely rare subtype of dominant dystrophic epidermolysis bullosa (DDEB). Clinically, DDEB-Pt is characterized by trauma-induced blistering with scarring that predominantly affects the pretibial...
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A Case of Post-Injury Angiokeratoma Circumscriptum of the Chest

Kwon NH, Kim SY, Kim GM

Angiokeratomas represent vascular lesions and are histologically characterized by superficial vascular ectasia and overlying acanthosis and/or hyperkeratosis. Angiokeratomas can be classified into five types, with angiokeratoma circumscriptum representing the least...
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The Effect of Administration of Steroid on the Wound Breaking Tensile Strength in Rats

Kwon NH, Kim HK, Kim WS, Bae TH

  • KMID: 2322199
  • J Korean Soc Plast Reconstr Surg.
  • 2009 Sep;36(5):538-542.
PURPOSE: The successful wound healing implies the scarless wound with adequate strength. It has been shown in vivo and in vitro that steroid retards the collagen synthesis. We studied the...
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A case of unilateral abdominal protrusion following cutaneous zoster

Kim SY, Lee KS, Kwon NH, Kim SH, Joh JS, Bang JH

  • KMID: 2258154
  • Korean J Med.
  • 2009 Aug;77(Suppl 1):S236-S239.
Approximately 5% of patients infected with Herpes zoster experience motor complications, such as muscle atrophy or paresis, caused by motor neuron involvement. The majority of paretic cases are associated with...
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