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List of works by Geun Am Song

A Case of Papillary Thyroid Cancer Recurring as an Esophageal Submucosal Tumor ⬇️

scientific article published on April 26, 2012

A Rare Case of Early Gastric Cancer Combined with Underlying Heterotopic Pancreas

scientific article published on 31 August 2017

A case of Menetrier's disease showing mucus bridge observed during endoscopy ⬇️

scientific article published on March 1, 2011

A case of duodenal duplication cyst manifested by duodenal polyp

scientific article

A case of hepatic metastasis of gastric hepatoid adenocarcinoma mistaken for primary hepatocellular carcinoma ⬇️

scientific article published on October 1, 2012

A remnant cystic duct cancer presenting as a duodenal submucosal tumor

scientific article published on 04 March 2008

Accuracy of high-frequency catheter-based endoscopic ultrasonography according to the indications for endoscopic treatment of early gastric cancer

scientific article published on 14 January 2010

Acetic acid-indigo carmine chromoendoscopy for delineating early gastric cancers: its usefulness according to histological type

scientific article

Acute distal common bile duct angle is risk factor for post-endoscopic retrograde cholangiopancreatography pancreatitis in beginner endoscopist

scientific article published on 01 January 2020

Acute ectopic pancreatitis occurring after endoscopic biopsy in a gastric ectopic pancreas

scientific article

Adult Ileocolic Intussusception Caused by Diffuse Large B Cell Lymphoma

scientific article published on 01 January 2020

Adult intussusception caused by cystic lymphangioma of the colon: a rare case report

scientific article

An Ovarian Mature Cystic Teratoma With Colon Involvement.

scientific article published in December 2016

Analysis of computed tomographic findings according to gastroesophageal flap valve grade.

scientific article published on 12 December 2016

Analysis of endoscopic electronic image of intramucosal gastric carcinoma using a software program for calculating hemoglobin index

scientific article published on December 2006

Associated factors for a hyperechogenic pancreas on endoscopic ultrasound ⬇️

scientific article published on September 14, 2010

Bilateral biliary drainage for malignant hilar obstruction using the 'stent-in-stent' method with a Y-stent: efficacy and complications

scientific article published in January 2013

Bile Duct Patency Maintained after Intraductal Radiofrequency Ablation in a Case of Hepatocellular Cholangiocarcinoma with Bile Duct Invasion

scientific article published on 31 August 2017

CDX2 expression is increased in gastric cancers with less invasiveness and intestinal mucin phenotype

scientific article published on 01 August 2006

Case of Bleeding Ileal Varices after a Colectomy Diagnosed by Capsule Endoscopy

scientific article published on 01 June 2018

Causes of missed synchronous gastric epithelial neoplasms with endoscopic submucosal dissection: a multicenter study

article

Clinical Potential of Circulating Tumor Cells in Colorectal Cancer: A Prospective Study

scientific article published on 01 July 2019

Clinical course of sorafenib treatment in patients with hepatocellular carcinoma ⬇️

scientific article published on 08 May 2012

Clinical efficacy and safety of the combination therapy of peginterferon alpha and ribavirin in cirrhotic patients with HCV infection

scientific article published in March 2010

Clinical features of Crohn's disease in Korean patients residing in Busan and Gyeongnam

scientific article published on 26 January 2016

Clinical predictors for response to proton pump inhibitor treatment in patients with globus

scientific article published on 8 January 2013

Clinical spectrum of reflux esophagitis among 25,536 Koreans who underwent a health check-up: a nationwide multicenter prospective, endoscopy-based study

scientific article published on August 2009

Clinicopathologic factors influencing the accuracy of EUS for superficial esophageal carcinoma

scientific article

Clinicopathologic factors predicting lymph node metastasis in superficial esophageal squamous cell carcinoma

scientific article published on 19 March 2014

Clinicopathologic features of early gastric carcinoma with lymphoid stroma and feasibility of endoscopic submucosal dissection

scientific article published on 13 April 2017

Clinicopathologic significance of gastric and intestinal phenotypic marker expression in gastric carcinomas

scientific article published on September 2005

Combined Dual Channel Impedance/pH-metry in Patients With Suspected Laryngopharyngeal Reflux

scientific article

Common bile duct stone caused by a phytobezoar

scientific article published on 01 February 2006

Continuous Infusion Versus Intermittent Dosing with Pantoprazole for Gastric Endoscopic Submucosal Dissection

scientific article published on 01 January 2019

Cytoplasmic TrkA Expression as a Screen for Detecting NTRK1 Fusions in Colorectal Cancer.

scientific article published on 21 April 2018

Detection of YMDD motif mutants by oligonucleotide chips in lamivudine-untreated patients with chronic hepatitis B virus infection

scientific article

Detection of aberrant p16INK4A methylation in sera of patients with liver cirrhosis and hepatocellular carcinoma

scientific article

Detection of celiac ganglia with radial scanning endoscopic ultrasonography

scientific article published on March 2008

Digital image analysis of endoscopic ultrasonography is helpful in diagnosing gastric mesenchymal tumors

scientific article published on 08 January 2014

Disease Phenotype, Activity and Clinical Course Prediction Based on C-Reactive Protein Levels at Diagnosis in Patients with Crohn's Disease: Results from the CONNECT Study.

scientific article published on 30 March 2016

Drug Rash with Eosinophilia and Systemic Symptoms (DRESS) syndrome induced by celecoxib and anti-tuberculosis drugs

scientific article published on June 2008

EMR for early gastric cancer in Korea: a multicenter retrospective study

scientific article published on October 2007

Effectiveness and complications of combination therapy with interferon alpha and ribavirin in patients with chronic hepatitis C

scientific article

Efficacy of DA-9701 (Motilitone) in Functional Dyspepsia Compared to Pantoprazole: A Multicenter, Randomized, Double-blind, Non-inferiority Study.

scientific article published on 22 January 2016

Endoscopic Submucosal Dissection for Gastric Subepithelial Tumors: A Single-Center Experience

scientific article

Endoscopic Submucosal Dissection of Gastric Epithelial Neoplasms after Partial Gastrectomy: A Single-Center Experience

scientific article

Endoscopic bilateral metal stent placement for advanced hilar cholangiocarcinoma: a pilot study of a newly designed Y stent

scientific article published in August 2007

Endoscopic grading of atrophic gastritis is inversely associated with gastroesophageal reflux and gastropharyngeal reflux

scientific article published on December 2007

Endoscopic grading of gastroesophageal flap valve and atrophic gastritis is helpful to predict gastroesophageal reflux

scientific article published on 01 February 2008

Endoscopic grading of gastroesophageal flap valve helps predict proton pump inhibitor response in patients with gastroesophageal reflux disease ⬇️

scientific article published on May 26, 2011

Endoscopic removal of bile-duct stones by using a rotatable papillotome and a large-balloon dilator in patients with a Billroth II gastrectomy (with video).

scientific article

Endoscopic removal of gastric ectopic pancreas: An initial experience with endoscopic submucosal dissection ⬇️

scientific article published on September 28, 2010

Endoscopic resection for duodenal subepithelial tumors: a single-center experience

scientific article published on 23 August 2016

Endoscopic resection of gastrointestinal lipomas: a single-center experience

scientific article published on 31 August 2013

Endoscopic resection of granular cell tumors in the gastrointestinal tract: a single center experience.

scientific article published on 12 March 2013

Endoscopic resection of sparganosis presenting as colon submucosal tumor: A case report

scientific article published on May 2016

Endoscopic sphincterotomy plus large-balloon dilation versus endoscopic sphincterotomy for removal of bile-duct stones

scientific article

Endoscopic stenting in patients with recurrent malignant obstruction after gastric surgery: uncovered versus simultaneously deployed uncovered and covered (double) self-expandable metal stents

scientific article published on 26 February 2007

Endoscopic submucosal dissection for esophagogastric junction tumors: a single-center experience

scientific article published on 8 August 2017

Endoscopic submucosal dissection for papillary adenocarcinoma of the stomach: is it really safe?

scientific article

Endoscopic submucosal dissection for undifferentiated-type early gastric cancer: short- and long-term outcomes

scientific article

Endoscopic treatment of dieulafoy lesions and risk factors for rebleeding

scientific article

Endoscopic ultrasonography in patients with elevated carbohydrate antigen 19-9 of obscure origin

scientific article published on May 2013

Endosonographic Features of Gastric Schwannoma: A Single Center Experience.

scientific article

Endosonographic features of esophageal granular cell tumors using a high-frequency catheter probe ⬇️

scientific article published on October 18, 2010

Endosonographic features of esophageal tuberculosis presenting as a subepithelial lesion.

scientific article

Endosonographic findings of gastric ectopic pancreas: a single center experience

scientific article published on September 2011

Esophageal pyogenic granuloma: endosonographic findings and endoscopic treatments

scientific article published on 31 January 2013

Evaluation of the Efficacy and Safety of DA-9601 versus Its New Formulation, DA-5204, in Patients with Gastritis: Phase III, Randomized, Double-Blind, Non-Inferiority Study.

scientific article published on November 2017

Expression of beta-catenin and its mechanism of delocalization in intestinal-type early gastric cancer based on mucin expression

scientific article published in July 2009

Factors Associated With Outcomes in Endoscopic Submucosal Dissection of Gastric Cardia Tumors: A Retrospective Observational Study

scientific article

Factors associated with low adherence to oral 5-aminosalicylic acid in patients with ulcerative colitis

scientific article published on 22 March 2019

Factors associated with the outcomes of endoscopic submucosal dissection in pyloric neoplasms.

scientific article published on 23 July 2014

Gastric Duplication Cyst Removed by Endoscopic Submucosal Dissection ⬇️

scientific article published on December 1, 2011

Gastric epithelial dysplasia: characteristics and long-term follow-up results after endoscopic resection according to morphological categorization

scientific article

Gastroesophageal flap valve is associated with gastroesophageal and gastropharyngeal reflux

scientific article published on 01 July 2006

H pylori eradication: a randomized prospective study of triple therapy with or without ecabet sodium

scientific article published on February 2008

Hemobilia as the initial manifestation of cholangiocarcinoma in a patient with choledochoduodenostomy ⬇️

scientific article published on 01 September 2010

Histopathologic discrepancies between endoscopic forceps biopsy and endoscopic resection specimens in superficial esophageal squamous neoplasms

scientific article published on 06 January 2019

Histopathological Analysis of Esophageal Mucosa in Patients with Achalasia

scientific article published on 24 December 2020

Identification of S100A8 and S100A9 as negative regulators for lymph node metastasis of gastric adenocarcinoma

scientific article published on November 1, 2012

Immunoglobulin G4-Related Inflammatory Pseudotumor Presenting as a Solitary Mass in the Stomach.

scientific article published on 12 February 2016

Incidental Jejunal Polyps

scientific article published on 31 May 2019

Incidental subepithelial tumor in the terminal ileum

scientific article published on 31 October 2019

Intratumoral heterogeneity impacts the response to anti-neu antibody therapy.

scientific article

Is endoscopic submucosal dissection safe for papillary adenocarcinoma of the stomach?

scientific article

Is ineffective esophageal motility associated with gastropharyngeal reflux disease?

scientific article published on October 2008

Is it possible to differentiate gastric GISTs from gastric leiomyomas by EUS?

scientific article published on July 2009

Is obesity associated with gastropharyngeal reflux disease?

scientific article published on January 2008

Lafutidine versus lansoprazole in combination with clarithromycin and amoxicillin for one versus two weeks for Helicobacter pylori eradication in Korea

scientific article published in December 2008

Large Jejunal Phytobezoar with Small Bowel Obstruction Treated by Single-Balloon Enteroscopy: A Case Report

scientific article published on 06 November 2020

Levofloxacin, Metronidazole, and Lansoprazole Triple Therapy Compared to Quadruple Therapy as a Second-Line Treatment of Helicobacter pylori Infection in Korea

scientific article published on 11 June 2013

Long-Term Outcomes of T1 Colorectal Cancer after Endoscopic Resection

scientific article published on 31 July 2020

Long-term outcome after endoscopic submucosal dissection in patients with superficial esophageal squamous cell carcinoma: a single-center study

scientific article

Long-term outcome of endoscopic submucosal dissection is comparable to that of surgery for early gastric cancer: a propensity-matched analysis

scientific article published on 10 April 2017

Long-term outcomes of endoscopic resection for non-ampullary duodenal epithelial tumors: A single-center experience

scientific article published on 01 January 2020

Long-term outcomes of endoscopic submucosal dissection for early gastric cancer: a single-center experience

scientific article

Long-term outcomes of endoscopically resected laterally spreading tumors with a positive histological lateral margin

scientific article published on 11 October 2019

MRCP and ERCP findings in clonorchiasis

scientific article published on 19 May 2006

Magnifying Endoscopy with Narrow Band Imaging of Early Gastric Cancer: Correlation with Histopathology and Mucin Phenotype

scientific article published on 30 March 2016

Magnifying endoscopy of gastric epithelial dysplasia based on the morphologic characteristics

scientific article

Malignant intraductal papillary mucinous neoplasm of the pancreas with multiple pancreatogastric fistulas: a report of 2 cases with different features

scientific article published on 24 August 2007

Marginal turbid band and light blue crest, signs observed in magnifying narrow-band imaging endoscopy, are indicative of gastric intestinal metaplasia

scientific article

Metastasis of hepatic angiosarcoma to the stomach

scientific article published on 01 October 2005

Molecular characterization of the DYX1C1 gene and its application as a cancer biomarker.

scientific article

Mucinous carcinomas of the colorectum have distinct molecular genetic characteristics

scientific article published on 01 March 2005

NF-kappa B binding activity and cyclooxygenase-2 expression in persistent CCl(4)-treated rat liver injury

scientific article

Nafamostat mesylate in the prevention of post-ERCP pancreatitis and risk factors for post-ERCP pancreatitis

scientific article

Natural YMDD motif mutations of HBV polymerase in the chronic hepatitis B virus infected patients

scientific article published in March 2003

Negative pathology after endoscopic resection of gastric epithelial neoplasms: importance of pit dysplasia

scientific article

New magnifying endoscopic classification for superficial esophageal squamous cell carcinoma

scientific article

Obesity, insulin resistance, and the risk of colonic adenoma

scientific article published in March 2007

Occurrence of metachronous or synchronous lesions after endoscopic treatment of gastric epithelia dysplasia- impact of histologic features of background mucosa

scientific article published on 28 October 2017

Once-Daily OROS Hydromorphone for Management of Cancer Pain: an Open-Label, Multi-Center, Non-Interventional Study.

scientific article published on December 2016

Oral fluoropyrimidines (capecitabine or S-1) and cisplatin as first line treatment in elderly patients with advanced gastric cancer: a retrospective study

scientific article published on 8 November 2008

Perivascular epithelioid cell tumor (PEComa) of abdominal cavity from falciform ligament: a case report

scientific article published on 20 April 2009

Polysplenia Syndrome with Congenital Agenesis of Dorsal Pancreas Presenting as Acute Pancreatitis and the Role of Endoscopic Ultrasonography in Its Diagnosis ⬇️

scientific article published on July 1, 2012

Practice Pattern of Gastroenterologists for the Management of GERD Under the Minimal Influence of the Insurance Reimbursement Guideline: A Multicenter Prospective Observational Study ⬇️

scientific article published on November 29, 2011

Predicting the invasion depth of esophageal squamous cell carcinoma: comparison of endoscopic ultrasonography and magnifying endoscopy

scientific article published on 24 June 2014

Predictive Factors for Severe Outcomes in Ischemic Colitis

scientific article

Prevalence of Malnutrition in Hospitalized Patients: a Multicenter Cross-sectional Study.

scientific article published on 8 January 2018

Primary Follicular Lymphoma in the Rectum Incidentally Found on Screening Colonoscopy

scientific article

Primary esophageal mucosa-associated lymphoid tissue lymphoma treated with endoscopic resection ⬇️

scientific article published on 05 August 2011

Primary rectal amyloidosis in a patient with human immunodeficiency virus

scientific article

Primary squamous cell carcinoma of the liver initially presenting with pseudoachalasia

scientific article

Promoter methylation inhibits APC gene expression by causing changes in chromatin conformation and interfering with the binding of transcription factor CCAAT-binding factor

scientific article published on April 2004

Protective effect of rebamipide against Helicobacter pylori-CagA-induced effects on gastric epithelial cells

scientific article published on 16 June 2010

Quantitative analysis of transcript variants of CHM gene containing LTR12C element in humans.

scientific article published on 12 September 2011

Randomized, Controlled, Multi-center Trial: Comparing the Safety and Efficacy of DA-9701 and Itopride Hydrochloride in Patients With Functional Dyspepsia

scientific article published in July 2015

Real-Life Effectiveness and Safety of Glecaprevir/Pibrentasvir for Korean Patients with Chronic Hepatitis C at a Single Institution

scientific article published on 26 August 2020

Rebamipide attenuates 5-Fluorouracil-induced small intestinal mucositis in a mouse model

scientific article published on January 2015

Rebampide enema therapy as a treatment for patients with chronic radiation proctitis: initial treatment or when other methods of conservative management have failed

scientific article published on 8 March 2008

Relationship between serum HBV DNA levels and liver histology in chronic hepatitis B

scientific article published on September 1, 2003

Relationships between the expressions of CDX1 and CDX2 mRNA and clinicopathologic features in colorectal cancers

scientific article published on December 2005

Resectability of Rectal Neuroendocrine Tumors Using Endoscopic Mucosal Resection with a Ligation Band Device and Endoscopic Submucosal Dissection

scientific article published on 16 September 2019

Risk factors for local recurrence in patients with positive lateral resection margins after endoscopic submucosal dissection for early gastric cancer.

scientific article published on 6 December 2014

Role of endoscopic biliary drainage in advanced hepatocellular carcinoma with jaundice

scientific article published on 2 November 2017

Self-expandable metallic stents for palliation of patients with malignant gastric outlet obstruction caused by stomach cancer

scientific article

Serum hepatitis B virus (HBV) DNA levels at different stages of clinical course in patients with chronic HBV infection in an endemic area

scientific article

Significant risk and associated factors of active tuberculosis infection in Korean patients with inflammatory bowel disease using anti-TNF agents

scientific article

Snail and serpinA1 promote tumor progression and predict prognosis in colorectal cancer

scientific article

Somatostatin adjunctive therapy for non-variceal upper gastrointestinal rebleeding after endoscopic therapy ⬇️

scientific article published on August 7, 2011

Submucosal tumor-like mucinous gastric adenocarcinoma showing mucin waterfall

scientific article published on 18 January 2009

The Evolution of the Conventional Endoscope in an Era of 3-Dimensional Technology ⬇️

scientific article published on August 22, 2012

The Korean Gastric Cancer Cohort Study: Study Protocol and Brief Results of a Large-Scale Prospective Cohort Study

scientific article published on 30 September 2016

The effect of endotoxin on the expression of tissue factor in the CCl4-treated rat liver

scientific article published on August 1, 2003

The efficacy of adefovir dipivoxil monotherapy and the incidence of genotypic resistance to adefovir dipivoxil in patients with lamivudine-resistant chronic hepatitis B infection

scientific article published on December 2008

The efficacy of endoscopic submucosal dissection of type I gastric carcinoid tumors compared with conventional endoscopic mucosal resection

scientific article published on 17 February 2014

The efficacy of the combination therapy with oral and topical mesalazine for patients with the first episode of radiation proctitis

scientific article published on 02 March 2011

The predictors of sustained virological response with sofosbuvir and ribavirin in patients with chronic hepatitis C genotype 2

scientific article published on 19 March 2019

Toxic Epidermal Necrolysis Associated with Sorafenib and Tosufloxacin in a Patient with Hepatocellular Carcinoma ⬇️

scientific article published on December 27, 2011

Treatment of solitary extramedullary plasmacytoma of the stomach with endoscopic submucosal dissection

scientific article

Treatment outcome for gastric mucosa-associated lymphoid tissue lymphoma according to Helicobacter pylori infection status: a single-center experience

scientific article

Two staging systems for gastrointestinal stromal tumors in the stomach: which is better?

scientific article published on 6 December 2017

Understanding Nutritional Support in Digestive Diseases

scientific article published on June 2015

Unusual Rectal Foreign Body: A Golf Ball

scientific article published on 25 May 2020

Unusual presentation of Erdheim-Chester disease.

scientific article published on 13 October 2016

Venous thromboembolism in patients with cholangiocarcinoma: focus on risk factors and impact on survival

scientific article

[2 cases of gastric mucosa-associated lymphoid tissue lymphoma presenting as a submucosal tumor-like lesion]

[A Case of Giant Fibrovascular Polyp of the Esophagus, Treated Successfully by Endoscopic Resection].

scientific article

[A case of gallstone ileus treated with electrohydraulic lithotripsy guided by colonoscopy]

scientific article published on 01 February 2011

[A case of gastric metastasis of breast carcinoma resembling early gastric cancer].

scientific article

[A case of primary angiosarcoma of small intestine presenting as recurrent gastrointestinal bleeding]

scientific article published on 01 November 2005

[A case of rectal schwannoma presenting with hematochezia].

scientific article published in September 2006

[A single institution's experience of infundibulotomy in patients taking antiplatelet agents: outcomes, safety and complications]

scientific article published on 01 April 2014

[Correlation of HBV DNA level and viral breakthrough during lamivudine therapy for chronic hepatitis B].

scientific article

[HBV DNA Quantitation Using Real-time PCR.].

scientific article published on 01 December 2006

[Pathologic diagnosis of gastric epithelial neoplasia]

scientific article published on 01 November 2008

[Predictors of lamivudine resistance in patients with chronic hepatitis B virus infection]

scientific article published on 01 June 2007

[Prognostic factors in patients with advanced pancreatic cancer treated with gemcitabine chemotherapy: clinical characteristics of long-term survivors].

scientific article published in December 2014

[Role of multi-detector row computed tomography for localization of acute lower gastrointestinal bleeding].

scientific article published in May 2008

[The usefulness of in vitro interferon-gamma assay for differential diagnosis between intestinal tuberculosis and Crohns disease].

scientific article published in June 2010

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