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Open-Access Journal
Editorial
Probiotics and gut health: A special focus on liver diseases 
Silvia Wilson Gratz, Hannu Mykkanen, Hani S El-Nezami 
World J Gastroenterol 16(4):403-410. Published online Jan 28, 2010. doi: 10.3748/wjg.v16.i4.403
Endoscope-guided pneumatic dilation for treatment of esophageal achalasia 
Seng-Kee Chuah, Keng-Liang Wu, Tsung-Hui Hu, Wei-Chen Tai, Chi-Sin Changchien 
World J Gastroenterol 16(4):411-417. Published online Jan 28, 2010. doi: 10.3748/wjg.v16.i4.411
Review
Present and future possibilities for early diagnosis of hepatocellular carcinoma 
Piotr Stefaniuk, Janusz Cianciara, Alicja Wiercinska-Drapalo 
World J Gastroenterol 16(4):418-424. Published online Jan 28, 2010. doi: 10.3748/wjg.v16.i4.418
Colonoscopic perforation: Incidence, risk factors, management and outcome 
Varut Lohsiriwat 
World J Gastroenterol 16(4):425-430. Published online Jan 28, 2010. doi: 10.3748/wjg.v16.i4.425
Original Article
Hospitalized prevalence and 5-year mortality for IBD: Record linkage study 
Lori A Button, Stephen E Roberts, Michael J Goldacre, Ashley Akbari, Sarah E Rodgers, John G Williams 
World J Gastroenterol 16(4):431-438. Published online Jan 28, 2010. doi: 10.3748/wjg.v16.i4.431
Clinical course of subepithelial lesions detected on upper gastrointestinal endoscopy 
Yeun Jung Lim, Hee Jung Son, Jong-Soo Lee, Young Hye Byun, Hyun Joo Suh, Pool Lyul Rhee, Jae J Kim, Jong Chul Rhee 
World J Gastroenterol 16(4):439-444. Published online Jan 28, 2010. doi: 10.3748/wjg.v16.i4.439
Two stomach-originated lactobacillus strains improve Helicobacter pylori infected murine gastritis 
Yi Cui, Chun-Lian Wang, Xiao-Wei Liu, Xue-Hong Wang, Lin-Lin Chen, Xin Zhao, Nian Fu, Fang-Gen Lu 
World J Gastroenterol 16(4):445-452. Published online Jan 28, 2010. doi: 10.3748/wjg.v16.i4.445
Brief Article
Diagnostic utility of IgG and IgM immunohistochemistry in autoimmune liver disease 
Roger Klein Moreira, Frank Revetta, Elizabeth Koehler, Mary Kay Washington 
World J Gastroenterol 16(4):453-457. Published online Jan 28, 2010. doi: 10.3748/wjg.v16.i4.453
Patient interest in video recording of colonoscopy: A survey 
Meghana Raghavendra, Douglas K Rex 
World J Gastroenterol 16(4):458-461. Published online Jan 28, 2010. doi: 10.3748/wjg.v16.i4.458
Gender influence on defecographic abnormalities in patients with posterior pelvic floor disorders 
Céline Savoye-Collet, Guillaume Savoye, Edith Koning, Anne-Marie Leroi, Jean-Nicolas Dacher 
World J Gastroenterol 16(4):462-466. Published online Jan 28, 2010. doi: 10.3748/wjg.v16.i4.462
Impact of endoscopy-based research on quality of life in healthy volunteers 
Alexander Link, Gerhard Treiber, Brigitte Peters, Thomas Wex, Peter Malfertheiner 
World J Gastroenterol 16(4):467-473. Published online Jan 28, 2010. doi: 10.3748/wjg.v16.i4.467
Clinical relevance of Helicobacter pylori babA2 and babA2/B in Costa Rica and Japan 
Sergio A Con, Hiroaki Takeuchi, Mitsuaki Nishioka, Norihito Morimoto, Tetsuro Sugiura, Nobufumi Yasuda, Reinaldo Con-Wong 
World J Gastroenterol 16(4):474-478. Published online Jan 28, 2010. doi: 10.3748/wjg.v16.i4.474
Lymphoid tyrosine phosphatase R620W variant and inflammatory bowel disease in Tunisia 
Imen Sfar, Walid Ben Aleya, Leila Mouelhi, Houda Aouadi, Thouraya Ben Rhomdhane, Mouna Makhlouf, Salwa Ayed-Jendoubi, Houda Gargaoui, Taoufik Najjar, Taieb Ben Abdallah, Khaled Ayed, Yousr Gorgi 
World J Gastroenterol 16(4):479-483. Published online Jan 28, 2010. doi: 10.3748/wjg.v16.i4.479
Shape of Barrett’s epithelium is associated with prevalence of erosive esophagitis 
Tomoyuki Akiyama, Masahiko Inamori, Hiroshi Iida, Hiroki Endo, Kunihiro Hosono, Yasunari Sakamoto, Koji Fujita, Masato Yoneda, Hirokazu Takahashi, Tomoko Koide, Chikako Tokoro, Ayumu Goto, Yasunobu Abe, Takeshi Shimamura, Noritoshi Kobayashi, Kensuke Kubota, Satoru Saito, Atsushi Nakajima 
World J Gastroenterol 16(4):484-489. Published online Jan 28, 2010. doi: 10.3748/wjg.v16.i4.484
Endoscopic retrograde cholangiopancreatography in pancreatic and biliary tract disease in Korean children 
Joo Young Jang, Chong Hyun Yoon, Kyung Mo Kim 
World J Gastroenterol 16(4):490-495. Published online Jan 28, 2010. doi: 10.3748/wjg.v16.i4.490
Mucosal patterns of Helicobacter pylori-related gastritis without atrophy in the gastric corpus using standard endoscopy 
Sheng-Lei Yan, Shwu-Tzy Wu, Chien-Hua Chen, Yeh-Huang Hung, Tsung-Hsun Yang, Vun-Siew Pang, Yung-Hsiang Yeh 
World J Gastroenterol 16(4):496-500. Published online Jan 28, 2010. doi: 10.3748/wjg.v16.i4.496
Staging of liver fibrosis in chronic hepatitis B patients with a composite predictive model: A comparative study 
Sheng-Di Wu, Ji-Yao Wang, Lei Li 
World J Gastroenterol 16(4):501-507. Published online Jan 28, 2010. doi: 10.3748/wjg.v16.i4.501
Application of contrast-enhanced intraoperative ultrasonography in the decision-making about hepatocellular carcinoma operation 
Hong Wu, Qiang Lu, Yan Luo, Xian-Lu He, Yong Zeng 
World J Gastroenterol 16(4):508-512. Published online Jan 28, 2010. doi: 10.3748/wjg.v16.i4.508
Percutaneous catheter drainage in combination with choledochoscope-guided debridement in treatment of peripancreatic infection 
Li-Jun Tang, Tao Wang, Jian-Feng Cui, Bing-Yin Zhang, Shi Li, Dong-Xuan Li, Shu Zhou 
World J Gastroenterol 16(4):513-517. Published online Jan 28, 2010. doi: 10.3748/wjg.v16.i4.513
Case Report
Appendicular tuberculosis: The resurgence of an old disease with difficult diagnosis 
Francesco Barbagallo, Saverio Latteri, Maria Sofia, Agostino Ricotta, Giorgio Castello, Andrea Chisari, Valentina Randazzo, Gaetano La Greca 
World J Gastroenterol 16(4):518-521. Published online Jan 28, 2010. doi: 10.3748/wjg.v16.i4.518
A perivascular epithelioid cell tumor of the stomach: An unsuspected diagnosis 
Cristina Aparecida Troques da Silveira Mitteldorf, Dario Birolini, Luis Heraldo da Camara-Lopes 
World J Gastroenterol 16(4):522-525. Published online Jan 28, 2010. doi: 10.3748/wjg.v16.i4.522
A case of laparoscopic hepatectomy for recurrent hepatocellular carcinoma 
Tan To Cheung, Kelvin Kwok-chai Ng, Ronnie Tung-ping Poon, See Ching Chan, Chung Mau Lo, Sheung Tat Fan 
World J Gastroenterol 16(4):526-530. Published online Jan 28, 2010. doi: 10.3748/wjg.v16.i4.526