Clinical Endoscopy

Volume 52(4); July 2019

Commentarys

Unfortunately, a “Back Light System” As a Global Positioning System Failed to Guide the Route in 25-G Fine-Needle Aspiration: Rungsun Rerknimitr, Phonthep Angsuwatcharakon; Clin Endosc 2019;52(4):295-296. Published online July 30, 2019; DOI: https://doi.org/10.5946/ce.2019.104

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The Association of “GOOP” on Gross Examination of Fine Needle Aspiration Samples and On-Site Adequacy
Nikhil Meena, Thaddeus Bartter, Roshen Mathew, Abhishek Kumar, Winnie Elma Roy, Sunil Kumar Kakadia, Maggie Machiarella
Respiration.2022; 101(1): 63. CrossRef

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Endoscopic Ultrasound-Guided Liver Biopsies: Is the Future Here Yet?: Ihab I. El Hajj, Mohammad Al-Haddad; Clin Endosc 2019;52(4):297-298. Published online July 23, 2019; DOI: https://doi.org/10.5946/ce.2019.126

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Endoscopic Ultrasound-Guided Drainage of Peripancreatic Fluid Collections: Eun Young Kim, Robert H. Hawes; Clin Endosc 2019;52(4):299-300. Published online July 30, 2019; DOI: https://doi.org/10.5946/ce.2019.135

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Focused Review Series: Recent Update of Endoscopic Ultrasonographys in Gastrointestinal Subepithelial Tumors

Current Status of Endoscopic Ultrasonography in Gastrointestinal Subepithelial Tumors: Sang Gyun Kim, Ji Hyun Song, Joo Ha Hwang; Clin Endosc 2019;52(4):301-305. Published online July 9, 2019; DOI: https://doi.org/10.5946/ce.2019.024

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Gastrointestinal subepithelial tumors (GSTs) are usually detected incidentally on endoscopic or radiologic examinations. In conventional endoscopy, a GST usually presents as a protuberant lesion with an intact mucosal surface. As the lesion is located beneath the mucosal layer of the gastrointestinal tract, conventional biopsy typically does not reveal the pathologic diagnosis. First, a GST should be differentiated from an extrinsic compression through the positional change of the patient during conventional endoscopic examination. In cases of GSTs originating from the gastrointestinal wall, endoscopic ultrasonography (EUS) can be beneficial for narrowing the differential diagnosis through delineation of echo findings and by determining the layer of origin. EUS findings can also help determine the management strategies for GSTs by making a differential diagnosis according to malignant potential.

Citations

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Endoscopic Resection of Upper Gastrointestinal Subepithelial Tumours: Our Clinical Experience and Results
Mehmet Zeki Buldanlı, Oktay Yener
Prague Medical Report.2022; 123(1): 20. CrossRef
Gastric subepithelial tumor: long-term natural history and risk factors for progression
Bokyung Kim, Seungkyung Kang, Eunwoo Lee, Jinju Choi, Hyunsoo Chung, Soo-Jeong Cho, Sang Gyun Kim
Surgical Endoscopy.2022; 36(7): 5232. CrossRef
Traumatic neuroma of remnant cystic duct mimicking duodenal subepithelial tumor: A case report
Dong-Hwan Kim, Ji-Ho Park, Jin-Kyu Cho, Jung-Wook Yang, Tae-Han Kim, Sang-Ho Jeong, Young-Hye Kim, Young- Joon Lee, Soon-Chan Hong, Eun-Jung Jung, Young-Tae Ju, Chi-Young Jeong, Ju-Yeon Kim
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Contrast Enhanced Endoscopic Ultrasound Imaging for Gastrointestinal Subepithelial Tumors: Takashi Tamura, Masayuki Kitano; Clin Endosc 2019;52(4):306-313. Published online July 23, 2019; DOI: https://doi.org/10.5946/ce.2019.056

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Subepithelial tumors are divided into benign subepithelial and potentially malignant gastrointestinal stromal tumors. It is difficult to distinguish between these tumor types. Contrast-enhanced harmonic endoscopic ultrasound is reportedly useful for diagnosing subepithelial tumors, can be safely and easily performed by understanding the principle and method, and can be used to distinguish between tumor types with high sensitivity on the basis of differences in contrast effect. The generated image shows a hyperenhancement pattern in gastrointestinal stromal tumors (sensitivity, 78%–100%; specificity, 60%–100%; accuracy, 60%–100%) and hypoenhancement pattern in benign subepithelial tumors. Contrast-enhanced harmonic endoscopic ultrasound can be used to estimate the malignancy potential of gastrointestinal stromal tumors by evaluating the uniformity of the contrast and the blood vessels inside the tumor, with abnormal intra-tumor blood vessels, heterogeneous enhancement, and non-enhancing spots suggesting malignancy. Contrast-enhanced harmonic endoscopic ultrasound has a higher sensitivity than other imaging modalities for the detection of vascularity within gastrointestinal stromal tumors. Additionally, it has been reported that treatment effects can be estimated by evaluating the blood flow in the gastrointestinal stromal tumor before and after treatment with tyrosine kinase inhibitors using contrastenhanced ultrasound. However, there will be subjective-bias and the results depends on the performer’s skill.

Citations

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The value of contrast-enhanced harmonic endoscopic ultrasound in differential diagnosis and evaluation of malignant risk of gastrointestinal stromal tumors (<50mm)
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Endoscopic Ultrasound Advanced Techniques for Diagnosis of Gastrointestinal Stromal Tumours
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EUS-Guided Diagnosis of Gastric Subepithelial Lesions, What Is New?
Thomas Vasilakis, Dimitrios Ziogas, Georgios Tziatzios, Paraskevas Gkolfakis, Eleni Koukoulioti, Christina Kapizioni, Konstantinos Triantafyllou, Antonio Facciorusso, Ioannis S. Papanikolaou
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Rapidly Growing, High-Risk Gastrointestinal Stromal Tumor of the Stomach: A Case Report
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The Asian Federation of Societies for Ultrasound in Medicine and Biology (AFSUMB) Guidelines for Contrast-Enhanced Endoscopic Ultrasound
Masayuki Kitano, Yasunobu Yamashita, Ken Kamata, Tiing Leong Ang, Hiroo Imazu, Eizaburo Ohno, Yoshiki Hirooka, Pietro Fusaroli, Dong-Wan Seo, Bertrand Napoléon, Anthony Yuen Bun Teoh, Tae Hyeon Kim, Christoph F. Dietrich, Hsiu-Po Wang, Masatoshi Kudo
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Cicilia Marcella, Shakeel Sarwar, Hui Ye, Rui Hua Shi
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Contrast Harmonic-Enhanced Endoscopic Ultrasound (EUS) Is the Perfect Companion of EUS-Guided Tumor Ablation
Gianmarco Marocchi, Andrea Lisotti, Pietro Fusaroli
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Endoscopic Ultrasound-Guided Fine Needle Aspiration and Biopsy in Gastrointestinal Subepithelial Tumors: Gyu Young Pih, Do Hoon Kim; Clin Endosc 2019;52(4):314-320. Published online July 30, 2019; DOI: https://doi.org/10.5946/ce.2019.100

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The incidence of asymptomatic and incidentally found upper gastrointestinal subepithelial tumors (SETs) is increasing with the implementation of national cancer screening and the development of high-resolution endoscopy in Korea. However, endoscopy alone cannot be used to determine whether SETs are benign or malignant. Endoscopic ultrasound (EUS) is used to further characterize these lesions through the examination of their layered structure, internal echogenicity, size, and relationship to the extramural structure. These provide additional information on whether the lesion is benign or malignant. Nevertheless, the sensitivity and specificity of EUS alone in predicting malignancy is unsatisfactory. Recent guidelines have recommended deciding the timing of EUS-fine needle aspiration and biopsy (EUS-FNA/B) for SETs based on tumor size, malignant features on endoscopy, and high-risk features on EUS. The diagnostic accuracy of EUS-FNA/B is reportedly influenced by factors including needle size, number of needle passes, use of suction, use of a stylet in the needle assembly, fanning technique, availability of an on-site cytopathologist, and experience of the endosonographer. Therefore, according to the characteristics of the SETs, various subsequent methods and techniques should be appropriately employed to improve the diagnostic yield of EUS-FNA/B.

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Single gastric subepithelial lesions. Are there predictors of gastrointestinal stromal tumors that prevent biopsy?
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Reviews

Assessment of Endoscopic Gastric Atrophy according to the Kimura-Takemoto Classification and Its Potential Application in Daily Practice: Duc Trong Quach, Toru Hiyama; Clin Endosc 2019;52(4):321-327. Published online July 22, 2019; DOI: https://doi.org/10.5946/ce.2019.072

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The assessment of endoscopic gastric atrophy (EGA) according to the Kimura-Takemoto classification has been reported to correlate well with histological assessment. Although agreement among beginner endoscopists was less than that among experienced endoscopists, it has been shown that agreement level could markedly improve and remained stable after proper training. Several cohort studies have consistently shown that the severity of EGA at baseline is significantly associated with the presence of advanced precancerous gastric lesions and gastric cancer, as well as the development of gastric cancer in future. Patients with moderate-to-severe EGA still have high risk of gastric cancer even after successful Helicobacter pylori eradication and should be candidates for gastric cancer surveillance. The assessment of EGA, therefore, could be used as a preliminary tool to identify individuals at high risk for gastric cancer. In this paper, we review the agreement on mucosal atrophy assessment between the Kimura-Takemoto classification and histology as well as the potential application of this endoscopic classification to identify precancerous gastric lesions and gastric cancer in daily practice.

Citations

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Recent Development of Computer Vision Technology to Improve Capsule Endoscopy: Junseok Park, Youngbae Hwang, Ju-Hong Yoon, Min-Gyu Park, Jungho Kim, Yun Jeong Lim, Hoon Jai Chun; Clin Endosc 2019;52(4):328-333. Published online February 21, 2019; DOI: https://doi.org/10.5946/ce.2018.172

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Capsule endoscopy (CE) is a preferred diagnostic method for analyzing small bowel diseases. However, capsule endoscopes capture a sparse number of images because of their mechanical limitations. Post-procedural management using computational methods can enhance image quality. Additional information, including depth, can be obtained by using recently developed computer vision techniques. It is possible to measure the size of lesions and track the trajectory of capsule endoscopes using the computer vision technology, without requiring additional equipment. Moreover, the computational analysis of CE images can help detect lesions more accurately within a shorter time. Newly introduced deep leaning-based methods have shown more remarkable results over traditional computerized approaches. A large-scale standard dataset should be prepared to develop an optimal algorithms for improving the diagnostic yield of CE. The close collaboration between information technology and medical professionals is needed.

Citations

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Real‐time small bowel visualization quality assessment in wireless capsule endoscopy images using different lightweight embeddable models
Vahid Sadeghi, Alireza Mehridehnavi, Yasaman Sanahmadi, Sajed Rakhshani, Mina Omrani, Mohsen Sharifi
International Journal of Imaging Systems and Technology.2024;[Epub] CrossRef
A Novel Computer-Aided Detection/Diagnosis System for Detection and Classification of Polyps in Colonoscopy
Chia-Pei Tang, Hong-Yi Chang, Wei-Chun Wang, Wei-Xuan Hu
Diagnostics.2023; 13(2): 170. CrossRef
Revealing the Boundaries of Selected Gastro-Intestinal (GI) Organs by Implementing CNNs in Endoscopic Capsule Images
Sofia A. Athanasiou, Eleftheria S. Sergaki, Andreas A. Polydorou, Alexios A. Polydorou, George S. Stavrakakis, Nikolaos M. Afentakis, Ioannis O. Vardiambasis, Michail E. Zervakis
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A Review of Biomedical Devices: Classification, Regulatory Guidelines, Human Factors, Software as a Medical Device, and Cybersecurity
Felix Tettey, Santosh Kumar Parupelli, Salil Desai
Biomedical Materials & Devices.2023;[Epub] CrossRef
Transformer with Hybrid Attention Mechanism for Stereo Endoscopic Video Super Resolution
Tianyi Zhang, Jie Yang
Symmetry.2023; 15(10): 1947. CrossRef
KAPSUL ENDOSKOPİYASI İLƏ İNCƏ BAĞIRSAQ MÜAYİNƏSİNDƏ MÖVCUD VƏZİYYƏT VƏ GƏLƏCƏK PERSPEKTİVLİYİ
Həbib Həsənzadə, Amalya Həsənova Həbib Həsənzadə, Amalya Həsənova
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Small Bowel Detection for Wireless Capsule Endoscopy Using Convolutional Neural Networks with Temporal Filtering
Geonhui Son, Taejoon Eo, Jiwoong An, Dong Oh, Yejee Shin, Hyenogseop Rha, You Kim, Yun Lim, Dosik Hwang
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Dynamic Depth-Aware Network for Endoscopy Super-Resolution
Wenting Chen, Yifan Liu, Jiancong Hu, Yixuan Yuan
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X-ray Imaging for Gastrointestinal Tracking of Microscale Oral Drug Delivery Devices
Rolf Bech Kjeldsen, Maja Nørgaard Kristensen, Carsten Gundlach, Lasse Højlund Eklund Thamdrup, Anette Müllertz, Thomas Rades, Line Hagner Nielsen, Kinga Zór, Anja Boisen
ACS Biomaterials Science & Engineering.2021; 7(6): 2538. CrossRef
VR-Caps: A Virtual Environment for Capsule Endoscopy
Kağan İncetan, Ibrahim Omer Celik, Abdulhamid Obeid, Guliz Irem Gokceler, Kutsev Bengisu Ozyoruk, Yasin Almalioglu, Richard J. Chen, Faisal Mahmood, Hunter Gilbert, Nicholas J. Durr, Mehmet Turan
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Kvasir-Capsule, a video capsule endoscopy dataset
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Role of Artificial Intelligence in Video Capsule Endoscopy
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Design and Research of Interactive Animation of Immersive Space Scene Based on Computer Vision Technology
Shan Wu, Hubin Liu, Qi Xu, Yulong Liu, Sang-Bing Tsai
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Efficacy of a comprehensive binary classification model using a deep convolutional neural network for wireless capsule endoscopy
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Artificial intelligence that determines the clinical significance of capsule endoscopy images can increase the efficiency of reading
Junseok Park, Youngbae Hwang, Ji Hyung Nam, Dong Jun Oh, Ki Bae Kim, Hyun Joo Song, Su Hwan Kim, Sun Hyung Kang, Min Kyu Jung, Yun Jeong Lim, Sudipta Roy
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Original Articles

A “Back Light System” for Identification of Sites for Endoscopic Ultrasound-Guided Fine-Needle Aspiration in Solid Pancreatic Masses: A Prospective, Randomized Study with a Crossover Design: Ryo Harada, Hironari Kato, Soichiro Fushimi, Hirofumi Inoue, Daisuke Uchida, Yutaka Akimoto, Takeshi Tomoda, Kazuyuki Matsumoto, Yasuhiro Noma, Naoki Yamamoto, Shigeru Horiguchi, Koichiro Tsutsumi, Hiroyuki Okada; Clin Endosc 2019;52(4):334-339. Published online May 16, 2019; DOI: https://doi.org/10.5946/ce.2019.004

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Background
/Aims: We applied a back light system (BLS) with a magnifying glass to improve the ability to assess the adequacy of specimen sampling using endosonography. We conducted this study to evaluate the efficacy of the BLS in sampling of specimens by endoscopic ultrasound-guided fine needle aspiration of solid pancreatic masses.
Methods
This was a prospective, randomized, crossover, single-center clinical trial. An endosonographer evaluated adequacy on gross visual inspection and identified whitish specimen sampling sites with and without the BLS according to a randomization sequence in the first and second passes with a 25-G needle. On cytological evaluation, the presence of well-defined pancreatic ductal epithelium was evaluated by a cytopathologist who was blinded to any clinical information.
Results
A total of 80 consecutive patients were eligible during the study period. Adequacy was observed for 52 specimens (65%) with the BLS and 54 (68%) without the BLS (p=0.88). In assessment of specimen adequacy on gross examination, only fair agreement was observed both with and without BLS (kappa score 0.40 and 0.29, respectively).
Conclusions
The BLS did not influence the ability to identify specimen sampling sites or reliable assessment of specimen site adequacy using gross visual inspection.

Citations

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Tissue processing of endoscopic ultrasound-guided fine-needle aspiration specimens from solid pancreatic lesions
Kenji Notohara, Kaori Nakamura
Journal of Medical Ultrasonics.2024; 51(2): 261. CrossRef
Macroscopic qualitative evaluation of solid pancreatic lesion specimens from endoscopic ultrasound-guided fine needle aspiration/biopsies
Kaori Nakamura, Kenji Notohara, Ryoji Nishizaki, Etsuji Ishida, Midori Sato, Akemi Kodera, Junya Itakura, Motowo Mizuno
Pancreatology.2023; 23(8): 1028. CrossRef
Unfortunately, a “Back Light System” As a Global Positioning System Failed to Guide the Route in 25-G Fine-Needle Aspiration
Rungsun Rerknimitr, Phonthep Angsuwatcharakon
Clinical Endoscopy.2019; 52(4): 295. CrossRef

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81 Download
5 Web of Science
3 Crossref

Endoscopic Ultrasound-Guided Liver Biopsy Using a Core Needle for Hepatic Solid Mass: Hyung Ku Chon, Hee Chan Yang, Keum Ha Choi, Tae Hyeon Kim; Clin Endosc 2019;52(4):340-346. Published online July 15, 2019; DOI: https://doi.org/10.5946/ce.2018.175

Abstract PDF PubReader ePub

Background
/Aims: This study aimed to evaluate the feasibility and efficacy of endoscopic ultrasound-guided fine needle biopsy (EUSFNB) using a core needle for hepatic solid masses (HSMs). Additionally, the study aimed to assess factors that influence the diagnostic accuracy of EUS-FNB for HSMs.
Methods
A retrospective analysis of patients who underwent EUS-FNB for the pathological diagnosis of HSMs was conducted between January 2013 and July 2017. The procedure had been performed using core needles of different calibers. The assessed variables were mass size, puncture route, needle type, and the number of needle passes.
Results
Fifty-eight patients underwent EUS-FNB for the pathologic evaluation of HSMs with a mean mass size of 21.4±9.2 mm. EUSFNB was performed with either a 20-G (n=14), 22-G (n=29) or a 25-G core needle (n=15). The diagnostic accuracy for this procedure was 89.7%, but both specimen adequacy for histology and available immunohistochemistry stain were 91.4%. The sensitivity and specificity of EUS-FNB were 89.7% and 100%, respectively. There was one case involving bleeding as a complication, which was controlled with endoscopic hemostasis. According to the multivariate analysis, no variable was independently associated with a correct final diagnosis.
Conclusions
EUS-FNB with core biopsy needle is a safe and highly accurate diagnostic option for assessing HSMs. There were no variable factors associated with diagnostic accuracy.

Citations

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Endoscopic ultrasound‐guided tissue acquisition for focal liver lesions in patients with a history of multiple primary malignant neoplasms
Yuichi Takano, Naoki Tamai, Masataka Yamawaki, Jun Noda, Tetsushi Azami, Fumitaka Niiya, Fumiya Nishimoto, Naotaka Maruoka, Tatsuya Yamagami, Masatsugu Nagahama
DEN Open.2025;[Epub] CrossRef
Diagnostic and therapeutic role of endoscopic ultrasound in liver diseases: A systematic review and meta-analysis
Eyad Gadour, Abeer Awad, Zeinab Hassan, Khalid Jebril Shrwani, Bogdan Miutescu, Hussein Hassan Okasha
World Journal of Gastroenterology.2024; 30(7): 742. CrossRef
Endoscopic Ultrasound-Guided Tissue Sampling for the Cytohistological Diagnosis of Focal Liver Lesions
Jose Lariño-Noia, Andrea Jardi-Cuadrado, Juan Enrique Dominguez-Muñoz, Yessica Domínguez-Novoa, Marco Galego, Alberto Rama, Daniel de la Iglesia-Garcia, Xurxo Martinez-Seara, Ihab Abdulkader-Nallib, Julio Iglesias-Garcia
Diagnostics.2024; 14(11): 1155. CrossRef
Role of endoscopic ultrasound and endoscopic ultrasound-guided tissue acquisition in diagnosing hepatic focal lesions
Hussein Hassan Okasha, Hanane Delsa, Abdelmoneim Alsawaf, Ahmed Morad Hashim, Hani M Khattab, Dalia Abdelfatah, Abeer Abdellatef, Amr Albitar
World Journal of Methodology.2023; 13(4): 287. CrossRef
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Rajesh Puri, Zubin Sharma, Swapnil Dhampalwar, Abhishek Kathuria, Bimal Sahu
Journal of Digestive Endoscopy.2023; 14(04): 227. CrossRef
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Alternativen histologischer Materialgewinnung – Wann und wie ist die histologische Sicherung mittels Ultraschall (US), Computertomografie (CT) oder Endosonografie (EUS) sinnvoll?
Kathleen Möller, Christoph F. Dietrich, Siegbert Faiss, Sven Mutze, Leonie Goelz
Zeitschrift für Gastroenterologie.2022; 60(06): 937. CrossRef
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Weiwei Xu, Rui Peng, Siyu Chen, Congcong Wu, Xiaoxiao Wang, Ting Yu, Jiuying Jian, Ni Zhang, Siyang Zuo, Min Chen, Bing Guo, Lirong Liu
Pharmaceutical Biology.2022; 60(1): 300. CrossRef
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Shiva Rangwani, Devarshi R Ardeshna, Khalid Mumtaz, Sean G Kelly, Samuel Y Han, Somashekar G Krishna
World Journal of Gastroenterology.2022; 28(28): 3586. CrossRef
Endoscopic Ultrasound-Guided Fine-Needle Biopsy versus Fine-Needle Aspiration in the Diagnosis of Focal Liver Lesions: Prospective Head-to-Head Comparison
Marcel Gheorghiu, Andrada Seicean, Sorana D. Bolboacă, Ioana Rusu, Radu Seicean, Cristina Pojoga, Ofelia Moșteanu, Zeno Sparchez
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Rintaro Hashimoto, Kenneth J. Chang
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Biopsy or cytology for diagnosing hepatic focal lesions?
Haeryoung Kim
Clinical and Molecular Hepatology.2021; 27(2): 278. CrossRef
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Ebru Akay, Deniz Atasoy, Engin Altınkaya, Ali Koç, Tamer Ertan, Hatice Karaman, Erkan Caglar
Clinical Endoscopy.2021; 54(3): 404. CrossRef
Role of Endoscopic Ultrasound in Liver Disease: Where Do We Stand?
Tajana Pavic, Ivana Mikolasevic, Dominik Kralj, Nina Blazevic, Anita Skrtic, Ivan Budimir, Ivan Lerotic, Davor Hrabar
Diagnostics.2021; 11(11): 2021. CrossRef
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Jahnvi Dhar, Jayanta Samanta
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Ali Khalifa, Don C. Rockey
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Comparison of Endoscopic Ultrasound Biopsy Needles for Endoscopic Ultrasound-Guided Liver Biopsy: Armen Eskandari, Patrick Koo, Heejung Bang, Dorina Gui, Shiro Urayama; Clin Endosc 2019;52(4):347-352. Published online July 10, 2019; DOI: https://doi.org/10.5946/ce.2019.005

Abstract PDF PubReader ePub

Background
/Aims: To compare the performance of latest commercially available endoscopic ultrasound biopsy needles.
Methods
Six latest commercially available needles were tested on a freshly harvested bovine liver; the tested needles included three 19 G, one 20 G, and two 22 G needles. Five biopsies were performed per needle with 10 mL of wet suction. The primary outcome was the number of complete portal tracts (CPTs) per needle aspirate. The secondary outcomes were the mean specimen length and mean fragment length. Analysis of variance and Tukey’s test were applied.
Results
All 19 G needles and the 20 G needle yielded similar mean CPTs and were superior to the SharkCore 22 G needle (p<0.001 adjusted for multiplicity). There was no statistically significant difference in total specimen length among the three 19 G needles and the 20 G needle tested. The two 22 G needles performed similarly with respect to the number of CPTs, mean fragment length, and mean specimen length (adjusted p=0.07, p=0.59, and p=0.10, respectively).
Conclusions
The specimen adequacy was similar among the 3 latest commercially available 19 G needles. The endoscopist may choose a larger-bore needle based on availability without concerns of specimen adequacy. Further studies are needed to assess the ease of needle use in various anatomical locations and to confirm the optimal needle design.

Citations

Citations to this article as recorded by

EUS-guided versus percutaneous liver biopsy: A comprehensive review and meta-analysis of outcomes
Saurabh Chandan, Smit Deliwala, ShahabR Khan, BabuP Mohan, BanreetS Dhindsa, Jay Bapaye, Hemant Goyal, LenaL Kassab, Faisal Kamal, HarlanR Sayles, GursimranS Kochhar, DouglasG Adler
Endoscopic Ultrasound.2023; 12(2): 171. CrossRef
The Role of Endoscopic Ultrasound in Hepatology
Saleh A. Alqahtani, Floriane Ausloos, Ji Seok Park, Sunguk Jang
Gut and Liver.2023; 17(2): 204. CrossRef
EUS Guided Liver Biopsy
Itegbemie Obaitan, Romil Saxena, Mohammad A Al-Haddad
Techniques and Innovations in Gastrointestinal Endoscopy.2022; 24(1): 66. CrossRef
Endoscopic Ultrasound-Guided Liver Biopsy
Ishaan K. Madhok, Nasim Parsa, Jose M. Nieto
Clinics in Liver Disease.2022; 26(1): 127. CrossRef
Role of endoscopic ultrasound-guided liver biopsy: a meta-analysis
Keyu Zeng, Zhenpeng Jiang, Jie Yang, Kefei Chen, Qiang Lu
Scandinavian Journal of Gastroenterology.2022; 57(5): 545. CrossRef
Update on endoscopic ultrasound-guided liver biopsy
Shiva Rangwani, Devarshi R Ardeshna, Khalid Mumtaz, Sean G Kelly, Samuel Y Han, Somashekar G Krishna
World Journal of Gastroenterology.2022; 28(28): 3586. CrossRef
Diagnostic and interventional EUS in hepatology: An updated review
Vaneet Jearth, Sridhar Sundaram, SurinderSingh Rana
Endoscopic Ultrasound.2022; 11(5): 355. CrossRef
Endoscopic ultrasound guided hepatic interventions
Rintaro Hashimoto, Kenneth J. Chang
Digestive Endoscopy.2021; 33(1): 54. CrossRef
Comparison of Two Specialized Histology Needles for Endoscopic Ultrasound (EUS)-Guided Liver Biopsy: A Pilot Study
Rintaro Hashimoto, David P. Lee, Jason B. Samarasena, Vishal S. Chandan, Wenchang Guo, John G. Lee, Kenneth J. Chang
Digestive Diseases and Sciences.2021; 66(5): 1700. CrossRef
Emerging role of endoscopic ultrasound-guided liver biopsy
John David Chetwood, Sanjivan Mudaliar, Dominic Staudenmann, Joo-Shik Shin, Ken Liu, Avik Majumdar, Arthur Kaffes, Simone Strasser, Geoffrey W McCaughan, Payal Saxena
Gut.2021; 70(8): 1600. CrossRef
A prospective, head-to-head comparison of 2 EUS-guided liver biopsy needles in vivo
Soorya N. Aggarwal, Travis Magdaleno, Farina Klocksieben, Jennifer E. MacFarlan, Shanth Goonewardene, Zachary Zator, Shashin Shah, Hiral N. Shah
Gastrointestinal Endoscopy.2021; 93(5): 1133. CrossRef
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Ebru Akay, Deniz Atasoy, Engin Altınkaya, Ali Koç, Tamer Ertan, Hatice Karaman, Erkan Caglar
Clinical Endoscopy.2021; 54(3): 404. CrossRef
How Can We Optimize Tools and Techniques for Endoscopic Ultrasound–Guided Liver Biopsy?
Itegbemie Obaitan, Mohammad A. Al-Haddad
Clinical Gastroenterology and Hepatology.2020; 18(5): 1025. CrossRef
Guidelines on the use of liver biopsy in clinical practice from the British Society of Gastroenterology, the Royal College of Radiologists and the Royal College of Pathology
James Neuberger, Jai Patel, Helen Caldwell, Susan Davies, Vanessa Hebditch, Coral Hollywood, Stefan Hubscher, Salil Karkhanis, Will Lester, Nicholas Roslund, Rebecca West, Judith I Wyatt, Mathis Heydtmann
Gut.2020; 69(8): 1382. CrossRef
Endoscopic ultrasound in chronic liver disease
Brian M Fung, Alexander P Abadir, Armen Eskandari, Michael J Levy, James H Tabibian
World Journal of Hepatology.2020; 12(6): 262. CrossRef
Endoscopic Ultrasound-Guided Liver Biopsies: Is the Future Here Yet?
Ihab I. El Hajj, Mohammad Al-Haddad
Clinical Endoscopy.2019; 52(4): 297. CrossRef

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Comparison of Clinical Outcomes between Plastic Stent and Novel Lumen-apposing Metal Stent for Endoscopic Ultrasound-Guided Drainage of Peripancreatic Fluid Collections: Ho Cheol Shin, Chang Min Cho, Min Kyu Jung, Seong Jae Yeo; Clin Endosc 2019;52(4):353-359. Published online March 13, 2019; DOI: https://doi.org/10.5946/ce.2018.154

Abstract PDF PubReader ePub

Background
/Aims: Endoscopic ultrasound (EUS)-guided transmural drainage for peripancreatic fluid collections (PFCs) has gained wide acceptance as a nonsurgical intervention. Although a lumen-apposing metal stent (LAMS) was recently introduced, there are few data comparing the clinical outcomes between LAMS and plastic stent (PS) drainage.
Methods
Endoscopy databases of all patients who had undergone EUS-guided drainage for PFCs were searched and the clinical outcomes of EUS-guided drainage according to stent-type used were compared.
Results
A total of 27 patients (median age, 56 years) with PFCs underwent EUS-guided transmural drainage between January 2011 and December 2017. Of these, 17 underwent PS placement and 10 underwent LAMS placement. There was no significant difference in the technical success rate between the 2 groups (94.1% vs. 100%, p=1.0). Procedure time was shorter in the LAMS group compared to that in the PS group (10.6±2.5 min vs. 21.4±9.5 min, p=0.002). Among subjects with clinical success, recurrence of PFC after stent removal occurred in 5 of 12 patients with PS and 4 of 10 with LAMS, without statistical difference (41.7% vs. 40.0%, p=1.0).
Conclusions
Although our study showed similar clinical outcomes for LAMS and PS, further prospective trials are required to validate the superiority of LAMS.

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Diagnostic Efficacy of Endoscopic Ultrasound Elastography in Differentiating Solid Pancreatic Lesions: A Single-Center Experience: Ahmed Youssef Altonbary, Hazem Hakim, Ahmed Mohamed El-Shamy; Clin Endosc 2019;52(4):360-364. Published online January 8, 2019; DOI: https://doi.org/10.5946/ce.2018.160

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Background
/Aims: Endoscopic ultrasound (EUS) has a limited ability to determine the nature of solid pancreatic lesions (SPLs). Most recent ultrasound processors are provided with elastography software, which allows quantification of the tissue hardness. The aim of this study is to evaluate the effectiveness of the elasticity score (ES) and strain ratio (SR) in the differentiation of benign pancreatic lesions from malignant pancreatic lesions.
Methods
The study had a retrospective design; it included 97 patients with SPLs and 19 patients with inflammatory lesions. The ES and SR were determined during the examination; finally, EUS-guided fine needle aspiration was performed.
Results
In this 2-year study, 116 patients were enrolled (97 with malignant lesions and 19 with benign lesions). There were 69 men and 47 women. Their median age was 55.9 years. A cut-off point was detected at SR of 7.75 with a specificity of 99.9%, sensitivity of 90.7%, positive predictive value (PPV) of 99.9%, negative predictive value (NPV) of 67.9%, and accuracy of 92.2%. After adding the ES to the SR, the cut-off point at 7.75 resulted in a specificity of 94.6%, sensitivity of 99%, PPV of 98%, NPV of 98.5%, and accuracy of 97%.
Conclusions
The use of the ES combined with the SR increases the accuracy of differentiation between benign and malignant SPLs and is an effective method for the evaluation of pancreatic masses.

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Revista colombiana de Gastroenterología.2021; 36(4): 434. CrossRef

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Air embolism is a rare complication of upper endoscopy and potentially causes life-threatening events. A 67-year-old man with a history of surgery of cardiac carcinoma and pancreatic neuroendocrine tumor underwent painless upper endoscopy because of tarry stools. During the procedure, air embolism developed, which caused decreased pulse oxygen saturation and delayed sedation recovery. He recovered with some weakness of the left upper limb in the intensive care unit without hyperbaric oxygen therapy. The etiology, clinical manifestations, and treatments of air embolism are discussed based on the literature reports. Although air embolism is uncommon in endoscopic examinations, the patients’ outcomes could be improved if clinicians are alert to this potential complication, and promptly start proper diagnostic and therapeutic measures.

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Abstract PDF PubReader ePub: Gastric cancers that fulfill the Japanese criteria for curative endoscopic resection show a low risk of lymph node (LN) metastasis. Here, we report a case of LN metastasis from early gastric cancer that fulfilled the curative criteria. A 74-year-old Japanese woman was referred to our hospital for treatment of early gastric cancer identified at the site of a hyperplastic polyp that had been diagnosed 10 years prior to presentation. Contrast-enhanced computed tomography did not show any lymphadenopathy and laparoscopy-assisted distal gastrectomy was performed. Histopathological examination revealed a predominantly moderately differentiated adenocarcinoma that measured 15 mm in size and was confined to the mucosa. However, a single metastatic regional LN was observed. A few cancer cells showed positive staining for alpha-fetoprotein. It should be noted that early gastric cancer can be accompanied by LN metastasis even if it fulfills the criteria for curative endoscopic resection.

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Endoscopic Ultrasound-Guided Transgastric Drainage of an IntraAbdominal Abscess following Gastrectomy: Satoru Kikuchi, Tetsushi Kubota, Shinji Kuroda, Masahiko Nishizaki, Shunsuke Kagawa, Hironari Kato, Hiroyuki Okada, Toshiyoshi Fujiwara; Clin Endosc 2019;52(4):373-376. Published online February 15, 2019; DOI: https://doi.org/10.5946/ce.2018.134

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Abstract PDF Supplementary Material PubReader ePub

Colon interposition is a surgical procedure used for maintenance of luminal conduit after esophagectomy. Although epithelial neoplasia, such as adenoma and adenocarcinoma, may develop in the interposed colon, there are only few case reports on the condition. Due to the rarity of this condition, there is no definite consensus on recommending screening endoscopy for the early detection of neoplasia in the interposed colons. Here, we report a case of intramucosal adenocarcinoma in an interposed colon. Initial endoscopic resection for this tumor failed to accomplish complete resection. A subsequent endoscopic resection was performed 1 month later and complete resection was achieved. Based on our experience and recommendation on screening endoscopy for gastric cancer in Korea, we suggest that regular screening esophagogastroduodenoscopies should be performed following esophagectomy to detect early neoplasia in the stomach and interposed colon and avoid adverse results induced by delayed detection.

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