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백우현 교수

Woo Hyun Paik

서울대학교 · 의학

연구실 소개

백우현 교수의 연구실은 주로 에스옵시오스코프를 활용한 내시경적 치료 기술 개발에 초점을 맞추고 있으며, 특히 악성 담도폐쇄 및 간문동암 등 복합적인 담도 질환의 진료 전략과 내시경적 배액술의 최적화를 연구하고 있습니다. 또한 소형 경계성 악성 췌장신생물에 대한 내시경적 에탄올 부착요법, 췌암 세포의 화학요법 민감도 향상 메커니즘 등 암 치료의 새로운 접근법을 모색하고 있습니다. 특히 EUS-FNA/FNB를 통한 정밀한 조직진단 기술의 정착과 임상적 활용도 향상에도 기여하고 있습니다.

EUS담도배액췌장신생물화학요법 민감도내시경 진단

연구 현황

논문 수
325
총 인용 수
4,041
최근 5년 논문
109
주요 분야
의학

연구 성과 추이

표시된 성과는 수집된 데이터 기준으로 산출되며, 일부 차이가 있을 수 있습니다.

5개년 연도별 논문 게재 수
109총합
2022
2023
2024
2025
2026
5개년 연도별 피인용 수
483총합
20222023202420252026

주요 논문

15
1
논문|인용수 360·2018
EUS-Guided Biliary Drainage Versus ERCP for the Primary Palliation of Malignant Biliary Obstruction: A Multicenter Randomized Clinical Trial
Woo Hyun Paik, Tae Hoon Lee, Do Hyun Park, Jun‐Ho Choi, Seon‐Ok Kim, Sunguk Jang, Dong Uk Kim, Ju Hyun Shim, Tae Jun Song, Sang Soo Lee, Dong‐Wan Seo, Sung Koo Lee
SJR Q1FWCI 29.3The American Journal of Gastroenterology

This study demonstrated comparable technical and clinical success rates between EUS-BD and ERCP in relief malignant distal biliary obstruction. Substantially longer duration of patency coupled with lower rates of adverse events and reintervention, and more preserved QOL were observed with EUS-BD (cris.nih.go.kr, Identifier: KCT0001396, https://cris.nih.go.kr/cris/search/search_result_st01_en.jsp?seq=9716&ltype=&rtype= ).

Pulmonary and Respiratory MedicineMedicine
2
논문|인용수 285·2008
Palliative treatment with self-expandable metallic stents in patients with advanced type III or IV hilar cholangiocarcinoma: a percutaneous versus endoscopic approach
Woo Hyun Paik, Young Soo Park, Jin‐Hyeok Hwang, Sang Hyub Lee, Chang Jin Yoon, Sung-Gwon Kang, Jaekyung Lee, Ji Kon Ryu, Yong-Tae Kim, Yong Bum Yoon
SJR Q1FWCI 7.8Gastrointestinal Endoscopy
Pulmonary and Respiratory MedicineMedicine
3
논문|인용수 67·2016
Safety and Efficacy of EUS-Guided Ethanol Ablation for Treating Small Solid Pancreatic Neoplasm
Woo Hyun Paik, Dong Wan Seo, Vinay Dhir, Hsiu‐Po Wang
SJR Q3FWCI 5.7MedicineOA

The strategy for treating small borderline malignant pancreatic neoplasms--such as neuroendocrine tumor (NET) and solid pseudopapillary neoplasm (SPN)--is surgical resection. However, pancreatic resection of these lesions still causes significant morbidity. We evaluated the safety and efficacy of EUS-guided ethanol ablation to treat small solid pancreatic neoplasms. A total of 8 patients with small borderline malignant pancreatic neoplasms and co-morbidities who refused surgery were included. We

EpidemiologyMedicine
4
논문|인용수 67·2014
Simplified fistula dilation technique and modified stent deployment maneuver for EUS-guided hepaticogastrostomy
Woo Hyun Paik
SJR Q1FWCI 6.0World Journal of GastroenterologyOA

Compared with the conventional EUS-HGS technique, the procedural time was shorter and early adverse events were less frequent with our simplified and modified technique.

Pulmonary and Respiratory MedicineMedicine
5
논문|인용수 65·2013
Chemosensitivity induced by down-regulation of microRNA-21 in gemcitabine-resistant pancreatic cancer cells by indole-3-carbinol.
Woo Hyun Paik, Hye Ree Kim, Joo Kyung Park, Byeong Jun Song, Sang Hyub Lee, Jin‐Hyeok Hwang
FWCI 2.7PubMed

I3C would be effective for enhancing sensitivity of pancreatic cancer cells to gemcitabine via down-regulation of miR-21. Such enhanced chemosensitivity might be explained by the increased expression of PDCD4, which is a downstream target which miR-21 negatively regulates.

Cancer ResearchBiochemistry, Genetics and Molecular Biology
6
리뷰|인용수 62·2014
Preoperative biliary drainage in hilar cholangiocarcinoma: When and how?
Woo Hyun Paik
FWCI 6.2World Journal of Gastrointestinal EndoscopyOA

Hilar cholangiocarcinoma is a tumor of the extrahepatic bile duct involving the left main hepatic duct, the right main hepatic duct, or their confluence. Biliary drainage in hilar cholangiocarcinoma is sometimes clinically challenging because of complexities associated with the level of biliary obstruction. This may result in some adverse events, especially acute cholangitis. Hence the decision on the indication and methods of biliary drainage in patients with hilar cholangiocarcinoma should be

SurgeryMedicine
7
논문|인용수 43·2014
Prospective Evaluation of New 22 Gauge Endoscopic Ultrasound Core Needle Using Capillary Sampling With Stylet Slow-Pull Technique for Intra-Abdominal Solid Masses
Woo Hyun Paik, Yangsoon Park, Do Hyun Park, Seung‐Mo Hong, Byung Uk Lee, Jun‐Ho Choi, Sang Soo Lee, Dong‐Wan Seo, Sung Koo Lee, Myung‐Hwan Kim
SJR Q2FWCI 2.8Journal of Clinical Gastroenterology

A 22 G EUS-FNB using capillary sampling with stylet slow-pull technique showed a high diagnostic yield and histologic core acquisition for the histologic diagnosis of various intra-abdominal masses without an on-site cytopathologist. Furthermore, a histologic core with or without immunohistochemical staining was helpful for clinical decision making in 76% of the intra-abdominal solid masses.

OncologyMedicine
8
논문|인용수 41·2013
Clinical Usefulness of Plasma Chromogranin A in Pancreatic Neuroendocrine Neoplasm
Woo Hyun Paik, Ji Kon Ryu, Byeong Jun Song, Jaihwan Kim, Joo Kyung Park, Yong-Tae Kim, Yong Bum Yoon
SJR Q2FWCI 3.5Journal of Korean Medical ScienceOA

Chromogranin A (CgA) is widely used as an immunohistochemical marker of neuroendocrine neoplasms and has been measurable in plasma of patients. We assessed the clinical role of plasma CgA in diagnosing pancreatic neuroendocrine neoplasm (PNEN). CgA was checked in 44 patients with pancreatic mass who underwent surgical resection from 2009 through 2011. The cutoff value for diagnosing PNEN and the relationships between CgA and clinicopathologic variables were analyzed. Twenty-six patients were PNE

EpidemiologyMedicine
9
논문|인용수 31·2013
Clinical and pathological differences between serum immunoglobulin G4-positive and -negative type 1 autoimmune pancreatitis
Woo Hyun Paik
SJR Q1FWCI 3.0World Journal of GastroenterologyOA

The sensitivity of serum IgG4 was 68% in type 1 AIP. High serum IgG4 level was associated with other organ involvement and tissue IgG4 concentration but did not affect the relapse rate in type 1 AIP.

RheumatologyMedicine
10
논문|인용수 29·2015
MicroRNA-200c as a Prognostic Biomarker for Pancreatic Cancer
Woo Hyun Paik, Byeong Jun Song, Hyoung Woo Kim, Hye Ree Kim, Jin‐Hyeok Hwang
SJR Q3FWCI 1.3Korean Journal of GastroenterologyOA

The expression of miR-200c may be an important prognosis factor in pancreatic cancer, and it could be a novel therapeutic target of pancreatic cancer.

Cancer ResearchBiochemistry, Genetics and Molecular Biology
11
논문|인용수 29·2013
Clinical Usefulness of Plasma Chromogranin A in Pancreatic Neuroendocrine Neoplasm
백우현, 김재환, 송병준, 류지곤, 박주경, 윤영범, 김용태
Journal of Korean Medical Science

Chromogranin A (CgA) is widely used as an immunohistochemical marker of neuroendocrine neoplasms and has been measurable in plasma of patients. We assessed the clinical role of plasma CgA in diagnosing pancreatic neuroendocrine neoplasm (PNEN). CgA was checked in 44 patients with pancreatic mass who underwent surgical resection from 2009 through 2011. The cutoff value for diagnosing PNEN and the relationships between CgA and clinicopathologic variables were analyzed. Twenty-six patients were PNE

12
논문|인용수 28·2017
Conversion of external percutaneous transhepatic biliary drainage to endoscopic ultrasound-guided hepaticogastrostomy after failed standard internal stenting for malignant biliary obstruction
Woo Hyun Paik, N.J. Lee, Yousuke Nakai, Hiroyuki Isayama, Dongwook Oh, Tae Song, Sang Yong Lee, Dong‐Wan Seo, Sung Lee, Myung‐Hwan Kim, Do Park
SJR Q1FWCI 3.7Endoscopy

<b>Background and study aim</b> Percutaneous transhepatic biliary drainage (PTBD) is a rescue procedure after a failed endoscopic retrograde cholangiopancreatography. As PTBD causes patient discomfort, conversion of the PTBD to internal biliary stenting (PTBDS) may be required; however, PTBDS is sometimes difficult because of the tight stricture. We evaluated the efficacy and safety of conversion of external PTBD to endoscopic ultrasound-guided hepaticogastrostomy (EUS-HGS) after failed PTBDS. <

Pulmonary and Respiratory MedicineMedicine
13
논문|인용수 28·2020
Efficacy of an internal anchoring plastic stent to prevent migration of a fully covered metal stent in malignant distal biliary strictures: a randomized controlled study
Woo Hyun Paik, Sang Myung Woo, Jung Won Chun, Byeong Jun Song, Woo Jin Lee, Dong‐Won Ahn, Yoon Suk Lee, Young Hoon Choi, Ji Kon Ryu, Yong‐Tae Kim, Sang Hyub Lee
SJR Q1FWCI 1.8Endoscopy

Our data suggest that the additional double-pigtail plastic stent anchored the FCSEMS to prevent migration and prolonged patency without any serious adverse events.

Pulmonary and Respiratory MedicineMedicine
14
논문|인용수 25·1990
DigiCipher-all digital, channel compatible, HDTV broadcast system
Woo Hyun Paik
SJR Q1FWCI 7.5IEEE Transactions on Broadcasting

DigiCipher, an all-digital HDTV (high-definition television) system, with transmission over a single 6 MHz VHF or UHF channel, is described. It provides full HDTV performance with virtually no visible transmission impairments due to noise, multipath, and interference. It offers high picture quality, while the complexity of the decoder is low. Furthermore, low transmitting power can be used, making it ideal for simulcast HDTV transmission using unused or prohibited channels. DigiCipher can also b

Signal ProcessingComputer Science
15
논문|인용수 24·2012
Long-term clinical outcomes of biliary cast syndrome in liver transplant recipients
Woo Hyun Paik, Sang Hyub Lee, Ji Kon Ryu, Byeong Jun Song, Jaihwan Kim, Yong‐Tae Kim, Yong Bum Yoon
SJR Q1FWCI 0.6Liver TransplantationOA

Biliary cast syndrome (BCS) is an uncommon complication of orthotopic liver transplantation (OLT), so the long-term treatment outcomes of BCS are not well characterized. The purpose of this study was to evaluate the long-term treatment outcomes and prognosis of BCS after OLT. The medical records of 1097 patients who underwent OLT from January 2000 to September 2009 were reviewed. Those patients who had BCS were evaluated with respect to the treatment method, overall survival and relapse rates, a

SurgeryMedicine

대표 연구 분야

Pulmonary and Respiratory MedicineOncologySurgeryEpidemiologyGastroenterologyCancer Research

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