1. The new era of endoscopic ultrasound in biliary disorders

   • Cosmas Rinaldi Adithya Lesmana
   • Baiq Kirana Dyah Mandasari

   Clinical Review 24 April 2021 Pages: 923 - 931

   

2. Impact of COVID-19 on the outcomes of gastrointestinal surgery

   • Rahul Gupta
   • Jyoti Gupta
   • Houssem Ammar

   Clinical Review 29 April 2021 Pages: 932 - 946

3. Clinicopathological features and prognosis of developed gastric cancer based on the diagnosis of mucosal atrophy and enlarged folds of stomach by double-contrast upper gastrointestinal barium X-ray radiography

   • Nobutake Yamamichi
   • Takeshi Shimamoto
   • Kazuhiko Koike

   Original Article 20 May 2021 Pages: 947 - 954

   

4. A rare cause of esophagopleural fistula due to intensity-modulated proton therapy: a case report and review of literature

   • Osman Ali
   • Suryanarayana Reddy Challa
   • Raymond E. Kim

   Case Report 27 April 2021 Pages: 955 - 960

   

5. Primary synovial sarcoma of the mediastinum: a rare tumor diagnosed by endoscopic ultrasound-fine needle biopsy (EUS-FNB)—Cytomorphologic, immunohistochemical, and molecular analysis

   • Iyad Khamaysi
   • Inna Naroditsky
   • Leonid Malkin

   Case Report 01 April 2021 Pages: 961 - 964

   

6. Right-sided Zenker’s diverticulum resected using intraoperative neuromonitoring

   • Yuta Sato
   • Yoshihiro Tanaka
   • Kazuhiro Yoshida

   Case Report 04 April 2021 Pages: 965 - 968

   

7. Chylothorax after esophagectomy treated with inguinal intranodal lymphangiography and transvenous retrograde thoracic duct embolization

   • Yuta Sato
   • Yoshihiro Tanaka
   • Kazuhiro Yoshida

   Case Report Open access 11 May 2021 Pages: 969 - 974

   

8. A case of black esophagus with duodenal involvement

   • Ikuo Ota
   • Mugumi Ono
   • Hitoshi Takahashi

   Case Report 09 April 2021 Pages: 975 - 979

   

9. Seventeen primary malignant neoplasms involving the skin, ovary, esophagus, colon, oral cavity, and ear canal: a case report and review of the literature

   • Ryusuke Sumiya
   • Kyoji Ito
   • Norihiro Kokudo

   Case Report 21 May 2021 Pages: 980 - 987

   

10. Isolated adrenocorticotropic hormone deficiency induced by nivolumab treatment for advanced gastric cancer

    • Tsutomu Namikawa
    • Shigeto Shimizu
    • Kazuhiro Hanazaki

    Case Report 14 March 2021 Pages: 988 - 993

    

11. Gastric linitis plastica due to signet-ring cell carcinoma with Krukenberg tumors diagnosed by endoscopic ultrasound-guided fine-needle aspiration

    • Takeshi Okamoto
    • Hidekazu Suzuki
    • Katsuyuki Fukuda

    Case Report 19 March 2021 Pages: 994 - 1003

    

12. Cystic lymphangioma of the greater omentum treated by laparoscopic resection

    • Tsutomu Namikawa
    • Shigeto Shimizu
    • Kazuhiro Hanazaki

    Case Report 29 March 2021 Pages: 1004 - 1007

    

13. Successful hemostasis of bleeding gastric inflammatory fibroid polyp by endoscopic treatment in a patient with severe COVID-19

    • Ayako Murota
    • Shinji Yoshi
    • Hiroshi Nakase

    Case Report Open access 11 April 2021 Pages: 1008 - 1013

    

14. Aggressive advanced gastric cancer in a patient with autosomal dominant polycystic kidney disease

    • Takeshi Yasuda
    • Takeshi Ishikawa
    • Yoshito Itoh

    Case Report 24 May 2021 Pages: 1014 - 1019

    

15. Synovial sarcoma of the stomach: a case report and a systematic review of literature

    • Yuko Kinowaki
    • Shiho Abe
    • Masanobu Kitagawa

    Case Report 12 April 2021 Pages: 1020 - 1026

    

16. Malignant ulcer: a great mimicker of gastric plasmablastic lymphoma

    • Syamim Johan
    • Allim Khairuddin
    • Nornazirah Azizan

    Case Report 01 April 2021 Pages: 1027 - 1030

    

17. Nonbacterial thrombotic endocarditis in a patient with gastric cancer and SARS-CoV-2 infection

    • Quentin Binet
    • Céline Goffinet
    • Leila Shaza

    Case Report 09 April 2021 Pages: 1031 - 1035

    

18. Localized gastric amyloidosis diagnosed by endoscopic ultrasound-guided fine-needle aspiration

    • Choichiro Hashimoto
    • Takuto Hikichi
    • Hiromasa Ohira

    Case Report 22 April 2021 Pages: 1036 - 1041

    

19. Emphysematous gastritis: a case series and review of the current trend favoring conservative management

    • Ali Shami
    • Rohit Singhania

    Case Report 03 May 2021 Pages: 1042 - 1045

    

20. Marked reduction in the number of white globe appearance lesions in the noncancerous stomach after exchanging vonoprazan for esomeprazole treatment: a follow-up case report

    • Wataru Miwa
    • Takashi Hiratsuka
    • Yo Kato

    Case Report 16 May 2021 Pages: 1046 - 1051

    

21. Publisher Correction to: Marked reduction in the number of white globe appearance lesions in the noncancerous stomach after exchanging vonoprazan for esomeprazole treatment: a follow-up case report

    • Wataru Miwa
    • Takashi Hiratsuka
    • Yo Kato

    Publisher Correction 18 June 2021 Pages: 1052 - 1052

22. An advanced case of gastric histiocytic sarcoma treated with chemotherapy and gastrectomy: a case report and review of literature

    • Ryu Matsunaga
    • Yoshikazu Kanazawa
    • Hiroshi Yoshida

    Case Report 08 June 2021 Pages: 1053 - 1059

    

23. Cytomegalovirus ileitis with protein-losing enteropathy in an immunocompetent adult

    • Yorinari Ochiai
    • Shu Hoteya
    • Daisuke Kikuchi

    Case Report 20 March 2021 Pages: 1060 - 1066

    

24. Presentation and surgical management of a gossypiboma presenting with small bowel obstruction

    • George Ryan
    • Michal Kawka
    • Vincent Yip

    Case Report Open access 31 March 2021 Pages: 1067 - 1070

    

25. Small bowel T-cell lymphoma: a MEITL-ing diagnosis

    • Sheena Mago
    • Marianna Mavilia
    • Haleh Vaziri

    Case Report 21 April 2021 Pages: 1071 - 1083

    

26. Episodic, severe abdominal pain due to isolated jejunal Crohn’s disease

    • Trilokesh D. Kidambi
    • Yu Liang
    • Saro Manoukian

    Case Report 27 April 2021 Pages: 1084 - 1089

    

27. Immunoglobulin A vasculitis without purpura in an elderly female patient: a case report

    • Masaki Murata
    • Yuki Yamazaki
    • Shin’ichi Miyamoto

    Case Report 05 May 2021 Pages: 1090 - 1095

    

28. Isolated angioedema of the bowel caused by aspirin

    • Karim Osman
    • Ayse Tuba Kendi
    • Daniel Maselli

    Case Report 17 May 2021 Pages: 1096 - 1102

    

29. Gastrointestinal involvement in a patient with familial Mediterranean fever mimicking Crohn’s disease: a case report

    • Yoshihiro Yokoyama
    • Tsukasa Yamakawa
    • Hiroshi Nakase

    Case Report Open access 11 May 2021 Pages: 1103 - 1107

    

30. Long-term endoscopic remission in Crohn’s disease after allogeneic hematopoietic stem cell transplantation for diffuse large B cell lymphoma: case report and literature review

    • Yushi Inomata
    • Masatake Kuroha
    • Atsushi Masamune

    Case Report 30 March 2021 Pages: 1108 - 1114

    

31. A case of dengue fever that should be considered as imported infectious disease with digestive symptoms

    • Keisuke Kinoshita
    • Satoshi Fukuchi
    • Kazunari Murakami

    Case Report 25 March 2021 Pages: 1115 - 1120

    

32. A fatal wound complication following sequential anti-angiogenesis, immune checkpoint inhibition and ultra-hypofractionated radiotherapy

    • Miha Orazem
    • Cédric Draulans
    • Karin Haustermans

    Case Report 12 April 2021 Pages: 1121 - 1125

    

33. Hazardous repeat bleeding after colorectal endoscopic submucosal dissection in a patient with immune thrombocytopenia: complete hemostasis using an over-the-scope clip

    • Kazuya Miyaguchi
    • Tomoaki Tashima
    • Shomei Ryozawa

    Case Report 03 April 2021 Pages: 1126 - 1130

    

34. Inferior mesenteric arteriovenous fistula with colonic ischemia: a case report and review of the literature

    • Antonio Cubisino
    • Valentina Schembri
    • Boris Guiu

    Case Report 10 April 2021 Pages: 1131 - 1135

    

35. Mixed neuroendocrine–non-neuroendocrine neoplasm with squamous cell carcinoma covered by tubulovillous adenoma in the rectum

    • Harunobu Sato
    • Miho Shiota
    • Ichiro Uyama

    Case Report 27 April 2021 Pages: 1136 - 1141

    

36. Homozygous Factor V Leiden presenting as irreversible chronic colon ischemia resulting from inferior mesenteric vein thrombosis

    • Kevin Zheng
    • Lawrence J. Brandt
    • Darlene LeFrancois

    Case Report 18 May 2021 Pages: 1142 - 1146

    

37. Cholecystocolonic fistula as an uncommon cause of diarrhea: a case-report and review of the literature

    • Chansong Choi
    • Karim Osman
    • Daniel Barry Maselli

    Case Report 10 April 2021 Pages: 1147 - 1151

    

38. Lactulose-induced pneumatosis intestinalis following colonoscopy: a case report

    • Justin Roy
    • Mitchell Kang
    • Ian Schreibman

    Case Report 27 March 2021 Pages: 1152 - 1156

    

39. A case of planar-type gastrointestinal stromal tumor of the transverse colon with perforation

    • Amane Yamauchi
    • Yoshinao Chinen
    • Seiichi Hirota

    Case Report 16 March 2021 Pages: 1157 - 1162

    

40. Ulcerative colitis-associated rectal cancer resected and diagnosed by rectovesical fistula: a case report

    • Kosuke Yoshimura
    • Hiroki Ohge
    • Shinya Takahashi

    Case Report 25 June 2021 Pages: 1163 - 1168

    

41. Large retroperitoneal leiomyoma developed from the pelvic floor to the buttocks

    • Yoko Motegi
    • Hiroomi Ogawa
    • Hiroshi Saeki

    Case Report 28 June 2021 Pages: 1169 - 1174

    

42. A case of hereditary angioedema due to C1-inhibitor deficiency with recurrent abdominal pain diagnosed 40 years after the occurrence of the initial symptom

    • Daisuke Honda
    • Isao Ohsawa
    • Yusuke Suzuki

    Case Report Open access 05 February 2021 Pages: 1175 - 1179

    

43. Correction to: A case of hereditary angioedema due to C₁-inhibitor deficiency with recurrent abdominal pain diagnosed 40 years after the occurrence of the initial symptom

    • Daisuke Honda
    • Isao Ohsawa
    • Yusuke Suzuki

    Correction Open access 23 March 2021 Pages: 1180 - 1181

44. Emergency lower gastrointestinal endoscopy performed safely in a COVID-19 patient on extracorporeal membrane oxygenation (ECMO) with hemorrhagic shock

    • Yoshitsugu Misumi
    • Yuko Fujii
    • Kouichi Nonaka

    Case Report 18 May 2021 Pages: 1182 - 1185

    

45. A rare case of penetration related to ischemic duodenitis after ventricular assist device implantation for dilated cardiomyopathy

    • Hiroko Abe
    • Kaname Uno
    • Atsushi Masamune

    Case Report 24 March 2021 Pages: 1186 - 1190

    

46. A case with hepatic immune-related adverse events caused by nivolumab exhibiting impaired accumulation of regulatory T cells

    • Ikue Sekai
    • Satoru Hagiwara
    • Masatoshi Kudo

    Case Report Open access 05 March 2021 Pages: 1191 - 1196

    

47. Immunoglobulin therapy for successful management of prolonged, recurrent jaundice in a young adult male with combined immunodeficiency

    • Chiyumi Oda
    • Atsunori Tsuchiya
    • Shuji Terai

    Case Report 02 February 2021 Pages: 1197 - 1201

    

48. Spontaneous reactivation of hepatitis B virus with a frameshift mutation in the precore region in an elderly hepatitis B virus carrier with lifestyle-related diseases

    • Satoshi Takakusagi
    • Hitoshi Takagi
    • Hiroaki Okamoto

    Case Report 06 May 2021 Pages: 1202 - 1210

    

49. Long-term survival of 11 years with multidisciplinary therapy for hepatocellular carcinoma metastasis to the ovary and peritoneum: a case report

    • Satoko Motegi
    • Takeshi Yokoo
    • Shuji Terai

    Case Report Open access 12 May 2021 Pages: 1211 - 1220

    

50. Reactivation of hepatitis C virus with severe hepatitis flare during steroid administration for interstitial pneumonia

    • Kosuke Sato
    • Jun Inoue
    • Atsushi Masamune

    Case Report 13 May 2021 Pages: 1221 - 1226