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The Efficacy of Radiofrequency Ablation for Bone Tumors Unsuitable for Radical Excision

Koo JS, Chung SH

Background: Bone tumors can cause severe pain and poor quality of life due to recurrence and non-achievement of complete remission after surgery, chemotherapy, or radiotherapy. Radiofrequency ablation (RFA) can be...
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Enteroscopy in Crohn’s Disease: Are There Any Changes in Role or Outcomes Over Time? A KASID Multicenter Study

Jeon SR, Kim JO, Byeon JS, Yang DH, Ko BM, Goong HJ, Jang HJ, Park SJ, Kim ER, Hong SN, Im JP, Kim SE, Koo JS, Eun CS, Chang DK, Small Intestine Research Group of the Korean Association for the Study of Intestinal Diseases (KASID)

Background/Aims: Although balloon-assisted enteroscopy (BAE) enables endoscopic visualization of small bowel (SB) involvement in Crohn’s disease (CD), there is no data on the changes in outcomes over time. We therefore...
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Expression and Role of Epithelial Membrane Proteins in Tumorigenesis of Hormone Receptor-Positive Breast Cancer

Cha YJ, Koo JS

Purpose: Studies on the expression of epithelial membrane proteins (EMPs) in breast cancer have been rare and limited. In the present study, we aimed to evaluate the expression of EMP1,...
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Multiple Actinic Keratoses within Vitiliginous Patches in a Patient with Non-segmental Vitiligo

Shin J, Kim DY, Park S, Koo JS, Hann SK, Oh SH

  • KMID: 2501396
  • Korean J Dermatol.
  • 2020 Jan;58(1):39-42.
A 74-year-old man visited our department with complaints of multiple asymptomatic erythematous scaly crusted patches on the scalp. He had non-segmental vitiligo with the extent of over 20% of the...
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Is It Radiculopathy or Referred Pain? Buttock Pain in Spinal Stenosis Patients

Shim DM, Kim TG, Koo JS, Kwon YH, Kim CS

BACKGROUND: Buttock pain is common, and there are no fixed guidelines for its diagnosis and treatment. This study compared a selective nerve root block and a facet joint block for...
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Acute Suppurative Appendicitis Diagnosed by Acute Lower Gastrointestinal Hemorrhage

Kim DH, Lee JH, Kim D, Hwang S, Kang K, Koo JS

A 49-year-old man visited the emergency room of Korea University Ansan Hospital with hematochezia starting the day before the visit. Recently, he was on anti-platelet medication due to hypertension. The...
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Feasibility of Charcoal Tattooing of Cytology-Proven Metastatic Axillary Lymph Node at Diagnosis and Sentinel Lymph Node Biopsy after Neoadjuvant Chemotherapy in Breast Cancer Patients

Park S, Koo JS, Kim GM, Sohn J, Kim SI, Cho YU, Park BW, Park VY, Yoon JH, Moon HJ, Kim MJ, Kim EK

PURPOSE: Sentinel lymph node biopsy (SLNB) can be performed when node-positive disease is converted to node-negative status after neoadjuvant chemotherapy (NCT). Tattooing nodes might improve accuracy but supportive data are...
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External validation of IBTR! 2.0 nomogram for prediction of ipsilateral breast tumor recurrence

Lee BM, Chang JS, Cho YU, Park S, Park HS, Kim JY, Sohn JH, Kim GM, Koo JS, Keum KC, Suh CO, Kim YB

PURPOSE: IBTR! 2.0 nomogram is web-based nomogram that predicts ipsilateral breast tumor recurrence (IBTR). We aimed to validate the IBTR! 2.0 using an external data set. MATERIALS AND METHODS: The cohort...
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Self-reported Sleep Impairment in Functional Dyspepsia and Irritable Bowel Syndrome

Kim SY, Choung RS, Lee SK, Choe JW, Jung SW, Hyun JJ, Koo JS, Lee SW, Shin C

  • KMID: 2413104
  • J Neurogastroenterol Motil.
  • 2018 Apr;24(2):280-288.
  • doi: 10.5056/jnm17098
BACKGROUND/AIMS: Sleep impairment is a common complaint among patients with irritable bowel syndrome (IBS) and functional dyspepsia (FD). This study aimed to evaluate the prevalence of sleep impairment in FD...
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The Effect of Helicobacter pylori Infection on Recurrence of Gastric Hyperplastic Polyp after Endoscopic Removal

Kang KH, Hwang SH, Kim D, Kim DH, Kim SY, Hyun JJ, Jung SW, Koo JS, Jung YK, Yim HJ, Lee SW

BACKGROUND/AIMS: Several previous studies suggest that eradication of Helicobacter pylori (H. pylori) leads to the disappearance of gastric hyperplastic polyps. However, little is known about the effect of H. pylori...
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Usefulness of fecal immunochemical test and fecal calprotectin for detection of active ulcerative colitis

Kim DJ, Jeoun YM, Lee DW, Koo JS, Lee SW

BACKGROUND/AIMS: Ulcerative colitis undergoes periods of exacerbation and remission. Fecal calprotectin levels increase with gut inflammation and correlate with endoscopic disease activity in ulcerative colitis. Intestinal blood loss and fecal...
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Retroperitoneal Schwannoma Mimicking an Adrenal Mass

Lee YK, Yoo JS, Han JW, Jin SJ, Park JS, Koo JS, Yoon DS

A schwannoma is a benign neoplasm originating from the Schwann cells of the neural sheath. The most common type of benign schwannomas is the acoustic neuroma presenting with deafness. We...
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Metastatic renal cell carcinoma in the thyroid gland: ultrasonographic features and the diagnostic role of core needle biopsy

Song OK, Koo JS, Kwak JY, Moon HJ, Yoon JH, Kim EK

PURPOSE: The aims of this study were to present the ultrasonographic (US) features of metastatic renal cell carcinoma (RCC) in the thyroid gland and to evaluate the diagnostic utility of...
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Analysis of Physiological Indicators Related to Dietary Regimen during the First Year in Patients on Hemodialysis

Jung HJ, Koo JS, Kim JD, Park JS

PURPOSE: The purpose of this study was to determine the time and content of dietary education by analyzing the physiological indicators of hemodialysis patients during their first year and to...
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Mucinous Carcinoma with Extensive Signet Ring Cell Differentiation: A Case Report

Kim HM, Kim EK, Koo JS

Breast cancers that present with mucin include mucinous carcinoma and carcinoma with signet ring cell differentiation. The former shows extracellular mucin and the latter shows abundant intracellular mucin. Here, we...
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Endoscopic Treatment of Jejunal Heterotopic Gastric Mucosa that Caused Recurrent Intussusception

Ahn KR, Koo JS, Kim HI, Kim JH, Lee JH, Kim SY, Jung SW, Lee SW

Heterotopic gastric mucosa (HGM) is a rare anomaly in the small bowel and may be the cause of intussusception when it gets a lead point in the jejunum. All cases...
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Is the AIMS 65 Score Useful in Prepdicting Clinical Outcomes in Korean Patients with Variceal and Nonvariceal Upper Gastrointestinal Bleeding?

Choe JW, Kim SY, Hyun JJ, Jung SW, Jung YK, Koo JS, Yim HJ, Lee SW

BACKGROUND/AIMS: Various clinical scoring systems, including the Glasgow-Blatchford score (GBS), Rockall risk score (RS), and AIMS65 score (AIMS65), have been validated to predict the clinical outcomes in patients with upper...
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Predictors of Inadequate Bowel Preparation and Salvage Options on Colonoscopy

Sim JS, Koo JS

Inadequate bowel preparation is observed in more than 25% of all colonoscopies. Identification of predictive factors for inadequate colon cleaning is helpful and more detailed preparation methods should be used...
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Pathologic Evaluation of Breast Cancer after Neoadjuvant Therapy

Park CK, Jung WH, Koo JS

Breast cancer, one of the most common cancers in women, has various treatment modalities. Neoadjuvant therapy (NAT) has been used in many clinical trials because it is easy to evaluate...
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Clinical features of active tuberculosis that developed during anti-tumor necrosis factor therapy in patients with inflammatory bowel disease

Lee JW, Choi CH, Park JH, Kim JW, Kang SB, Koo JS, Kim YH, Kim YS, Joo YE, Chang SK

BACKGROUND/AIMS: Anti-tumor necrosis factor (TNF) therapy for active ulcerative colitis (UC) and Crohn's disease (CD) is associated with increased risks of tuberculosis (TB) infection. We analyzed the incidence and clinical...
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