Won-Tak Choi, MD, PhD

Title(s)Associate Professor, Pathology
SchoolSchool of Medicine
Address505 Parnassus Avenue, #M552
San Francisco CA 94117
Phone415-353-9533
ORCID ORCID Icon0000-0002-6892-5881 Additional info
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    Collapse Biography 
    Collapse Education and Training
    University of Illinois MD, PhD2009Medicine & Biochemistry
    University of California at San FranciscoResidency2010OB/GYN
    Scripps Research Institute Post-Doctoral Research Fellow2011Immunology
    University of Washington Residency2015Pathology
    University of California at San Francisco Fellowship2016GI/Liver Pathology
    University of California , San Francisco, CA11/2020Diversity, Equity, and Inclusion Champion Training
    Collapse Awards and Honors
    Rodger C. Haggitt Gastrointestinal Pathology Society2023Runner Up Abstract Award (Senior Author)
    Rodger C. Haggitt Gastrointestinal Pathology Society 2022Jack Yardley Investigator Award
    Rodger C. Haggitt Gastrointestinal Pathology Society2022Runner Up Abstract Award (Senior Author)
    Rodger C. Haggitt Gastrointestinal Pathology Society2021Runner Up Abstract Award (Senior Author)
    Rodger C. Haggitt Gastrointestinal Pathology Society 2018Runner Up Abstract Award (Senior Author)
    United States and Canadian Academy of Pathology 2018F. Stephen Vogel Award (Senior Author)
    19th Conference on Retroviruses and Opportunistic Infections2011Young Investigator Award

    Collapse Bibliographic 
    Collapse Publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.
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    1. Follow-Up Biopsies in Gastrointestinal Immune Checkpoint Inhibitor Toxicity May Show Markedly Different Inflammatory Patterns Than Initial Injury. Hum Pathol. 2024 May 09. Tomm NK, Szczepanski JM, Fang JM, Choi WT, Xue Y, Setia N, Karamchandani DM, Cheng JY, Westerhoff M. PMID: 38734079.
      View in: PubMed   Mentions:
    2. High risk features in colorectal adenomatous polyps: A multi-institutional study. Ann Diagn Pathol. 2024 May 08; 72:152323. Lee M, Ko HM, Kudose S, Remotti H, Choi WT, Salomao MA, Zhao L, Isidro RA, Liao X, Ettel MG, Chen IY, Liu X, Pai R, Alpert L, Setia N, Wu E, Henn P, Westbrook L, Lagana SM. PMID: 38733674.
      View in: PubMed   Mentions:
    3. Increased Active Inflammation in the Colon is Not a Reliable Predictor of an Elevated Risk of Dysplasia in Patients with Primary Sclerosing Cholangitis and Ulcerative Colitis. Am J Surg Pathol. 2024; In press. Zhang R, Wang D, Lauwers GY, Choi WT.
    4. Crystalline hepatopathy associated with Bietti crystalline dystrophy: a striking manifestation of disordered fatty acid metabolism. Am J Surg Pathol. 2024; In press. Dulken BW, Bahceci D, Leung LS, Mahajan VB, Choi WT, Tan SY.
    5. The Development of Serrated Epithelial Change in Ulcerative Colitis is not Significantly Associated with Increased Histologic Inflammation. Am J Surg Pathol. 2024 Apr 08. Bahceci D, Wang D, Lauwers GY, Choi WT. PMID: 38584461.
      View in: PubMed   Mentions:
    6. Nonconventional Dysplasia is Frequently Associated With Goblet Cell Deficient and Serrated Variants of Colonic Adenocarcinoma in Inflammatory Bowel Disease. Am J Surg Pathol. 2024 Mar 27. Xiao A, Yozu M, Kovári BP, Yassan L, Liao X, Salomao M, Westerhoff M, Sejben A, Lauwers GY, Choi WT. PMID: 38546105.
      View in: PubMed   Mentions:    Fields:    
    7. DNA flow cytometry for detection of genomic instability as a cancer precursor in the gastrointestinal tract. Methods Cell Biol. 2024; 186:25-49. Choi WT, Rabinovitch PS. PMID: 38705603.
      View in: PubMed   Mentions:
    8. Assessment of large droplet fat in frozen sections of donor liver biopsies: utility and interobserver variability of the newly described Banff method compared to a simplified Average of Fields method. J Clin Pathol. 2024 Feb 19; 77(3):151-156. Kikuchi AT, Akanuma N, Choi WT, Gill RM, Kakar S. PMID: 38053274.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    9. Clinical Data Do Not Reliably Predict Duodenal Histology at Follow-up in Celiac Disease: A 13 Center Correlative Study. Am J Surg Pathol. 2024 Feb 01; 48(2):212-220. Patel N, Leffler DA, Al-Toma A, Mulder CJ, Elli L, Gan G, Patil P, Atsawarungruangkit A, Kuijpers KC, Del Gobbo A, Goldsmith J, Hintze Z, Pacheco MC, Vieth M, Melcher B, Salomao M, Pai R, Hart J, Olivas A, Naini B, Meyerson C, Choi WT, Kakar S, Westerhoff M, Cheng J, Gopal P, Hammer S, Moreno Prats M, Bronner MP, Robert ME. PMID: 37994653.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    10. Unravelling interobserver variability in gastrointestinal glandular neoplasia: a contemporary study of US and Korean pathologists. J Clin Pathol. 2023 Sep 22. Pacheco RR, Kim H, Choi WT, Kook MC, Cho MY, Karamchandani DM, Lee MJ, Kim BH, Lee SH, Yang Z, Kim J, Lagana SM, Lee H. PMID: 37739770.
      View in: PubMed   Mentions:    Fields:    
    11. Diffuse large B-cell lymphoma presenting as an ileocaecal mass in a post-transplant patient. BMJ Case Rep. 2023 Aug 22; 16(8). Patel S, Choi WT, Andreadis C, Singh A. PMID: 37607764; PMCID: PMC10445388.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    12. Multi-Institutional Evaluation of Pathologists' Assessment Compared to Immunoscore. Cancers (Basel). 2023 Aug 10; 15(16). Willis J, Anders RA, Torigoe T, Hirohashi Y, Bifulco C, Zlobec I, Mlecnik B, Demaria S, Choi WT, Dundr P, Tatangelo F, Di Mauro A, Baldin P, Bindea G, Marliot F, Haicheur N, Fredriksen T, Kirilovsky A, Buttard B, Vasaturo A, Lafontaine L, Maby P, El Sissy C, Hijazi A, Majdi A, Lagorce C, Berger A, Van den Eynde M, Pagès F, Lugli A, Galon J. PMID: 37627073; PMCID: PMC10452341.
      View in: PubMed   Mentions:
    13. Characteristics, Reporting, and Potential Clinical Significance of Nonconventional Dysplasia in Inflammatory Bowel Disease. Surg Pathol Clin. 2023 Dec; 16(4):687-702. Choi WT. PMID: 37863560.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    14. Use of orcein as an adjunct stain in the evaluation of advanced liver fibrosis. Histopathology. 2023 Oct; 83(4):538-545. Nguyen ED, Ding CC, Umetsu SE, Choi WT, Ferrell LD, Wen KW. PMID: 37222207.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    15. Non-conventional dysplasia is frequently associated with low-grade tubuloglandular and mucinous adenocarcinomas in inflammatory bowel disease. Histopathology. 2023 Aug; 83(2):276-285. Akarca FG, Yozu M, Alpert L, Kovári BP, Zhao L, Salomao M, Liao X, Westerhoff M, Lauwers GY, Choi WT. PMID: 37055929.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    16. DNA content abnormality frequently develops in the right/proximal colon in patients with primary sclerosing cholangitis and inflammatory bowel disease and is highly predictive of subsequent detection of dysplasia. Histopathology. 2023 Jul; 83(1):116-125. Zhang R, Rabinovitch PS, Mattis AN, Lauwers GY, Choi WT. PMID: 37012656.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    17. Quantitative p53 immunostaining aids in the detection of prevalent dysplasia. J Clin Pathol. 2023 Sep; 76(9):582-590. Neyaz A, Rickelt S, Yilmaz OH, Parrack PH, Lu C, Yilmaz O, Wu EY, Choi WT, Gala M, Ting DT, Odze RD, Patil DT, Deshpande V. PMID: 36823143.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    18. Fundic Gland Polyps Lack DNA Content Abnormality Characteristic of Other Adenomatous Precursor Lesions in the Gastrointestinal Tract. Mod Pathol. 2023 05; 36(5):100117. Akanuma N, Rabinovitch PS, Mattis AN, Lauwers GY, Choi WT. PMID: 36805791.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    19. Pathologic Features and Differential Diagnosis of Chronic Hepatitis. Diagnostic Histopathology. 2023; 29(1):12-22. Choi WT, Gill RM. View Publication.
    20. Increased Risk of Non-conventional and Invisible Dysplasias in Patients with Primary Sclerosing Cholangitis and Inflammatory Bowel Disease. J Crohns Colitis. 2022 Dec 05; 16(12):1825-1834. Zhang R, Lauwers GY, Choi WT. PMID: 35771958.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    21. Predicting the Visual Attention of Pathologists Evaluating Whole Slide Images of Cancer. Medical Optical Imaging and Virtual Microscopy Image Analysis. MOVI 2022. Lecture Notes in Computer Science, vol 13578. 2022; 11-21. Chakraborty S, Gupta R, Ma K, Govind D, Sarder P, Choi WT, Mahmud W, Yee E, Allard F, Knudsen B, Zelinsky G, Saltz J, Samaras D. View Publication.
    22. Increased histologic inflammation is an independent risk factor for nonconventional dysplasia in ulcerative colitis. Histopathology. 2022 Nov; 81(5):644-652. Nguyen ED, Wang D, Lauwers GY, Choi WT. PMID: 35942654.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    23. Clinicopathologic features of undetected dysplasia found in total colectomy or proctocolectomy specimens of patients with inflammatory bowel disease. Histopathology. 2022 Aug; 81(2):183-191. Bahceci D, Lauwers GY, Choi WT. PMID: 35486500.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    24. Agrin Loss in Barrett's Esophagus-Related Neoplasia and Its Utility as a Diagnostic and Predictive Biomarker. Clin Cancer Res. 2022 03 15; 28(6):1167-1179. Rickelt S, Neyaz A, Condon C, Whittaker CA, Zaidi AH, Taylor MS, Abbruzzese G, Mattia AR, Zukerberg L, Shroff SG, Yilmaz OH, Yilmaz O, Wu EY, Choi WT, Jobe BA, Odze RD, Patil DT, Deshpande V, Hynes RO. PMID: 34785582; PMCID: PMC8923984.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    25. Utility of ancillary studies in the diagnosis and risk assessment of Barrett's esophagus and dysplasia. Mod Pathol. 2022 08; 35(8):1000-1012. Choi WT, Lauwers GY, Montgomery EA. PMID: 35260826; PMCID: PMC9314252.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    26. Recommendations for standardizing biopsy acquisition and histological assessment of immune checkpoint inhibitor-associated colitis. J Immunother Cancer. 2022 03; 10(3). Ma C, Pai RK, Schaeffer DF, Krell J, Guizzetti L, McFarlane SC, MacDonald JK, Choi WT, Feakins RM, Kirsch R, Lauwers GY, Pai RK, Rosty C, Srivastava A, Walsh JC, Feagan BG, Jairath V. PMID: 35296560; PMCID: PMC8928359.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    27. Hypermucinous, Goblet Cell-Deficient and Crypt Cell Dysplasias in Inflammatory Bowel Disease are Often Associated with Flat/Invisible Endoscopic Appearance and Advanced Neoplasia on Follow-Up. J Crohns Colitis. 2022 Jan 28; 16(1):98-108. Choi WT, Salomao M, Zhao L, Alpert L, Setia N, Liao X, Drage MG, Westerhoff M, Cheng J, Lauwers GY, Ko HM. PMID: 34232295.
      View in: PubMed   Mentions:    Fields:    Translation:HumansCells
    28. The Significance of Flat/Invisible Dysplasia and Nonconventional Dysplastic Subtypes in Inflammatory Bowel Disease: A Review of Their Morphologic, Clinicopathologic, and Molecular Characteristics. Adv Anat Pathol. 2022 Jan 01; 29(1):15-24. Choi WT, Kovári BP, Lauwers GY. PMID: 34469911.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    29. Nonampullary Duodenal Adenomas in Familial Adenomatous Polyposis and Sporadic Patients Lack the DNA Content Abnormality That Is Characteristic of the Adenoma-Carcinoma Sequence Involved in the Development of Other Gastrointestinal Malignancies. Am J Surg Pathol. 2021 12 01; 45(12):1694-1702. Mohammed N, Rabinovitch PS, Wang D, Kovári BP, Mattis AN, Lauwers GY, Choi WT. PMID: 34138799.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    30. Sinusoidal Growth Pattern of Hepatic Melanoma Metastasis: Implications for Histopathologic Diagnosis. Am J Surg Pathol. 2022 06 01; 46(6):832-839. Szczepanski JM, Mendiratta-Lala M, Fang JM, Choi WT, Karamchandani DM, Westerhoff M. PMID: 34799482.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    31. Gastrointestinal stromal tumors (GISTs) arising in uncommon locations: clinicopathologic features and risk assessment of esophageal, colonic, and appendiceal GISTs. Mod Pathol. 2022 04; 35(4):554-563. Hu S, Alpert L, Cates JMM, Gonzalez RS, Rare GIST Risk Stratification Group. PMID: 34702994.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    32. Gastric Intestinal Metaplasia in Mucosa Adjacent to Gastric Cancers Is Rarely Associated With the Aneuploidy That Is Characteristic of Gastric Dysplasia or Cancer. Am J Surg Pathol. 2021 10 01; 45(10):1374-1381. Zhang R, Rabinovitch PS, Mattis AN, Lauwers GY, Choi WT. PMID: 34091484.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    33. Persistent or recurrent Barrett's neoplasia after an endoscopic therapy session is associated with DNA content abnormality and can be detected by DNA flow cytometric analysis of paraffin-embedded tissue. Mod Pathol. 2021 10; 34(10):1889-1900. Bowman CJ, Zhang R, Balitzer D, Wang D, Rabinovitch PS, Kovári BP, Mattis AN, Kakar S, Lauwers GY, Choi WT. PMID: 34108638; PMCID: PMC8443444.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    34. Appendiceal neurofibroma in a patient with neurofibromatosis 1 and recurrent abdominal infections from ventriculoperitoneal shunt: a case report. J Surg Case Rep. 2021 Apr; 2021(4):rjab115. Greenberg AL, Choi WT, Shaked O, Lee AT, Berrahou IK, Jacques LG, Lebares CC. PMID: 33898000; PMCID: PMC8055177.
      View in: PubMed   Mentions:
    35. Non-conventional dysplastic subtypes in inflammatory bowel disease: a review of their diagnostic characteristics and potential clinical implications. J Pathol Transl Med. 2021 Mar; 55(2):83-93. Choi WT. PMID: 33677953; PMCID: PMC7987516.
      View in: PubMed   Mentions: 4  
    36. Editorial: the microscope holds the key to predict need for biologic therapy in immunotherapy-checkpoint inhibitory colitis. Authors' reply. Aliment Pharmacol Ther. 2021 03; 53(5):638-639. Pai RK, Pai RK, Schaeffer DF, Choi WT, Kumarasinghe P, Brown I, Lauwers GY. PMID: 33566423.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    37. Non-conventional dysplasias of the tubular gut: a review and illustration of their histomorphological spectrum. Histopathology. 2021 Apr; 78(5):658-675. Pereira D, Kovári B, Brown I, Chaves P, Choi WT, Clauditz T, Ghayouri M, Jiang K, Miller GC, Nakanishi Y, Kim KM, Kim BH, Kumarasinghe MP, Kushima R, Ushiku T, Yozu M, Srivastava A, Goldblum JR, Pai RK, Lauwers GY. PMID: 33124049.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    38. Interobserver agreement and the impact of mentorship on the diagnosis of inflammatory bowel disease-associated dysplasia among subspecialist gastrointestinal pathologists. Virchows Arch. 2021 Jun; 478(6):1061-1069. Alpert L, Setia N, Ko HM, Lagana SM, Pittman ME, Johncilla M, Drage MG, Zhao L, Salomao MA, Liao X, Choi WT, Jenkins SM, Hart J, Harpaz N, Voltaggio L, Lauwers GY, Odze R, Remotti H, Smyrk TC, Graham RP. PMID: 33392796.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    39. Non-conventional dysplasia in inflammatory bowel disease is more frequently associated with advanced neoplasia and aneuploidy than conventional dysplasia. Histopathology. 2021 May; 78(6):814-830. Lee H, Rabinovitch PS, Mattis AN, Lauwers GY, Choi WT. PMID: 33155325.
      View in: PubMed   Mentions: 9     Fields:    Translation:Humans
    40. The significance of histological activity measurements in immune checkpoint inhibitor colitis. Aliment Pharmacol Ther. 2021 01; 53(1):150-159. Pai RK, Pai RK, Brown I, Choi WT, Schaeffer DF, Farnell D, Kumarasinghe MP, Gunawardena D, Kim BH, Friedman M, Ghayouri M, Lauwers GY. PMID: 33146440.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    41. Interobserver study on histologic features of idiopathic non-cirrhotic portal hypertension. Diagn Pathol. 2020 Oct 23; 15(1):129. Kmeid M, Zuo C, Lagana SM, Choi WT, Lin J, Yang Z, Liu X, Westerhoff M, Fiel MI, Affolter K, Choi EK, Lee H. PMID: 33097074; PMCID: PMC7583235.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    42. Liver epithelial focal adhesion kinase modulates fibrogenesis and hedgehog signaling. JCI Insight. 2020 10 15; 5(20). Weng Y, Lieberthal TJ, Zhou VX, Lopez-Ichikawa M, Armas-Phan M, Bond TK, Yoshida MC, Choi WT, Chang TT. PMID: 32910808; PMCID: PMC7605528.
      View in: PubMed   Mentions: 5     Fields:    Translation:HumansAnimalsCells
    43. Meckel Diverticulum Presenting as Abdominal Pain and Subsequent Bowel Perforation. J Emerg Med. 2020 Jun; 58(6):e251-e254. LaFlam TN, Phelps A, Choi WT, Kornblith AE. PMID: 32317193.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    44. Utility of DNA flow cytometry in distinguishing between malignant and benign intrahepatic biliary lesions. Virchows Arch. 2020 Oct; 477(4):527-534. Wen KW, Rabinovitch PS, Wang D, Mattis AN, Ferrell LD, Choi WT. PMID: 32296928; PMCID: PMC7954226.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    45. DNA flow cytometric analysis of paraffin-embedded tissue for the diagnosis of malignancy in bile duct biopsies. Hum Pathol. 2020 05; 99:80-87. Lee H, Rabinovitch PS, Mattis AN, Kakar S, Choi WT. PMID: 32272125; PMCID: PMC7997049.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    46. Nonconventional dysplasia in patients with inflammatory bowel disease and colorectal carcinoma: a multicenter clinicopathologic study. Mod Pathol. 2020 05; 33(5):933-943. Choi WT, Yozu M, Miller GC, Shih AR, Kumarasinghe P, Misdraji J, Harpaz N, Lauwers GY. PMID: 31822800.
      View in: PubMed   Mentions: 13     Fields:    Translation:Humans
    47. Clinicopathological features of pyloric gland adenomas of the duodenum: a multicentre study of 57 cases. Histopathology. 2020 Feb; 76(3):404-410. Miller GC, Kumarasinghe MP, Borowsky J, Choi WT, Setia N, Clauditz T, Gidwani R, Sufiyan W, Lauwers GY, Brown IS. PMID: 31529725.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    48. DNA flow cytometric and interobserver study of crypt cell atypia in inflammatory bowel disease. Histopathology. 2019 Oct; 75(4):578-588. Wen KW, Umetsu SE, Goldblum JR, Gill RM, Kim GE, Joseph NM, Rabinovitch PS, Kakar S, Lauwers GY, Choi WT. PMID: 31111543.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    49. Utility of glutamine synthetase immunohistochemistry in identifying features of regressed cirrhosis. Mod Pathol. 2020 03; 33(3):448-455. Hadi R, Shin K, Reder N, Alpert L, Koch L, Choi WT, Swanson PE, Hart J, Westerhoff M. PMID: 31391527.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    50. Diagnosis, risk stratification, and management of ampullary dysplasia by DNA flow cytometric analysis of paraffin-embedded tissue. Mod Pathol. 2019 09; 32(9):1291-1302. Wen KW, Kim GE, Rabinovitch PS, Wang D, Mattis AN, Choi WT. PMID: 30976103; PMCID: PMC8549479.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    51. Utility of DNA Flow Cytometric Analysis of Paraffin-embedded Tissue in the Risk Stratification and Management of 'Indefinite for dysplasia' in Patients With Inflammatory Bowel Disease. J Crohns Colitis. 2019 Mar 30; 13(4):472-481. Wen KW, Rabinovitch PS, Wang D, Huang D, Mattis AN, Choi WT. PMID: 30423034.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    52. The differential diagnosis of Helicobacter pylori negative gastritis. Virchows Arch. 2018 Nov; 473(5):533-550. El-Zimaity H, Choi WT, Lauwers GY, Riddell R. PMID: 30255340.
      View in: PubMed   Mentions: 8     Fields:    Translation:HumansCells
    53. Atypical Hepatocellular Neoplasms: Review of Clinical, Morphologic, Immunohistochemical, Molecular, and Cytogenetic Features. Adv Anat Pathol. 2018 Jul; 25(4):254-262. Choi WT, Kakar S. PMID: 29649004.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    54. DNA content analysis of colorectal serrated lesions detects an aneuploid subset of inflammatory bowel disease-associated serrated epithelial change and traditional serrated adenomas. Histopathology. 2018 Sep; 73(3):464-472. Choi WT, Wen KW, Rabinovitch PS, Huang D, Mattis AN, Gill RM. PMID: 29772067.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    55. Use of DNA flow cytometry in the diagnosis, risk stratification, and management of gastric epithelial dysplasia. Mod Pathol. 2018 10; 31(10):1578-1587. Wen KW, Rabinovitch PS, Huang D, Mattis AN, Lauwers GY, Choi WT. PMID: 29789650.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    56. Hepatic Lymphoma Diagnosis. Surg Pathol Clin. 2018 Jun; 11(2):389-402. Choi WT, Gill RM. PMID: 29751882.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    57. Gastric pyloric gland adenoma: a multicentre clinicopathological study of 67 cases. Histopathology. 2018 May; 72(6):1007-1014. Choi WT, Brown I, Ushiku T, Yozu M, Setia N, Srivastava A, Johncilla M, Pai RK, Gill RM, Fukayama M, Misdraji J, Lauwers GY. PMID: 29278427.
      View in: PubMed   Mentions: 13     Fields:    Translation:Humans
    58. Solitary fibrous tumor in the abdomen and pelvis: A case series with radiological findings and treatment recommendations. Clin Imaging. 2018 Mar - Apr; 48:48-54. Fernandez A, Conrad M, Gill RM, Choi WT, Kumar V, Behr S. PMID: 29028514.
      View in: PubMed   Mentions: 14     Fields:    Translation:Humans
    59. Patterns of Gastric Injury: Beyond Helicobacter Pylori. Surg Pathol Clin. 2017 Dec; 10(4):801-822. Choi WT, Lauwers GY. PMID: 29103534.
      View in: PubMed   Mentions: 4     Fields:    Translation:HumansCells
    60. Centrilobular ductular reaction correlates with fibrosis stage and fibrosis progression in non-alcoholic steatohepatitis. Mod Pathol. 2018 01; 31(1):150-159. Zhao L, Westerhoff M, Pai RK, Choi WT, Gao ZH, Hart J. PMID: 28862262.
      View in: PubMed   Mentions: 10     Fields:    Translation:Humans
    61. Association of Aneuploidy and Flat Dysplasia With Development of High-Grade Dysplasia or Colorectal Cancer in Patients With Inflammatory Bowel Disease. Gastroenterology. 2017 12; 153(6):1492-1495.e4. Tsai JH, Rabinovitch PS, Huang D, Small T, Mattis AN, Kakar S, Choi WT. PMID: 28843957.
      View in: PubMed   Mentions: 18     Fields:    Translation:Humans
    62. Diagnosis and risk stratification of Barrett's dysplasia by flow cytometric DNA analysis of paraffin-embedded tissue. Gut. 2018 07; 67(7):1229-1238. Choi WT, Tsai JH, Rabinovitch PS, Small T, Huang D, Mattis AN, Kakar S. PMID: 28642331.
      View in: PubMed   Mentions: 13     Fields:    Translation:Humans
    63. Immunohistochemistry in the Diagnosis of Hepatocellular Carcinoma. Gastroenterol Clin North Am. 2017 06; 46(2):311-325. Choi WT, Kakar S. PMID: 28506367.
      View in: PubMed   Mentions: 14     Fields:    Translation:Humans
    64. Biopsy Specimens From Allograft Liver Contain Histologic Features of Hepatitis C Virus Infection After Virus Eradication. Clin Gastroenterol Hepatol. 2017 Aug; 15(8):1279-1285. Whitcomb E, Choi WT, Jerome KR, Cook L, Landis C, Ahn J, Te HS, Esfeh J, Hanouneh IA, Rayhill SC, Gibson W, Plesec T, Koo J, Wang HL, Hart J, Pai RK, Westerhoff M. PMID: 28501538.
      View in: PubMed   Mentions: 12     Fields:    Translation:Humans
    65. Donor Liver Small Droplet Macrovesicular Steatosis Is Associated With Increased Risk for Recipient Allograft Rejection. Am J Surg Pathol. 2017 Mar; 41(3):365-373. Choi WT, Jen KY, Wang D, Tavakol M, Roberts JP, Gill RM. PMID: 28059835.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    66. Immunohistochemical approach for the diagnosis of a liver mass on small biopsy specimens. Hum Pathol. 2017 05; 63:1-13. Choi WT, Ramachandran R, Kakar S. PMID: 28087475.
      View in: PubMed   Mentions: 12     Fields:    Translation:Humans
    67. Gastrointestinal Zygomycosis Masquerading as Acute Appendicitis. Case Rep Gastroenterol. 2016 Jan-Apr; 10(1):81-7. Choi WT, Chang TT, Gill RM. PMID: 27403107; PMCID: PMC4929359.
      View in: PubMed   Mentions: 2  
    68. Significance of CD10-positive clonal B cell populations identified by flow cytometry in histologically benign gastric biopsies. J Hematop. 2016; 2(9):59-66. Choi WT, Cherian S, Soma L. View Publication.
    69. The outcomes of "atypical" and "suspicious" bile duct brushings in the identification of pancreaticobiliary tumors: Follow-up analysis of surgical resection specimens. Diagn Cytopathol. 2015 Nov; 43(11):885-91. Choi WT, Swanson PE, Grieco VS, Wang D, Westerhoff M. PMID: 26221777.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    70. Outcome of "indefinite for dysplasia" in inflammatory bowel disease: correlation with DNA flow cytometry and other risk factors of colorectal cancer. Hum Pathol. 2015 Jul; 46(7):939-47. Choi WT, Rabinovitch PS, Wang D, Westerhoff M. PMID: 25962315.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    71. "Indefinite for Dysplasia" in Barrett's Esophagus: Inflammation and DNA Content Abnormality are Significant Predictors of Early Detection of Neoplasia. Clin Transl Gastroenterol. 2015 Mar 12; 6:e81. Choi WT, Emond MJ, Rabinovitch PS, Ahn J, Upton MP, Westerhoff M. PMID: 25761942; PMCID: PMC4459537.
      View in: PubMed   Mentions: 4     Fields:    
    72. Targeting chemokine receptor CXCR4 for treatment of HIV-1 infection, tumor progression, and metastasis. Curr Top Med Chem. 2014; 14(13):1574-89. Choi WT, Yang Y, Xu Y, An J. PMID: 25159167; PMCID: PMC4372248.
      View in: PubMed   Mentions: 26     Fields:    Translation:HumansAnimalsCells
    73. Cutaneous angiosarcoma clinically presenting as progressive solid facial edema in a 43-year-old male. Dermatol Online J. 2013 Nov 15; 19(11):20409. Choi WT, Stetsenko GY, Zhang J, Olerud JE, Argenyi ZB, George E. PMID: 24314784.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    74. A novel synthetic bivalent ligand to probe chemokine receptor CXCR4 dimerization and inhibit HIV-1 entry. Biochemistry. 2012 Sep 11; 51(36):7078-86. Choi WT, Kumar S, Madani N, Han X, Tian S, Dong CZ, Liu D, Duggineni S, Yuan J, Sodroski JG, Huang Z, An J. PMID: 22897429; PMCID: PMC3476724.
      View in: PubMed   Mentions: 16     Fields:    Translation:Cells
    75. Critical role in CXCR4 signaling and internalization of the polypeptide main chain in the amino terminus of SDF-1α probed by novel N-methylated synthetically and modularly modified chemokine analogues. Biochemistry. 2012 Jul 31; 51(30):5951-7. Dong CZ, Tian S, Choi WT, Kumar S, Liu D, Xu Y, Han X, Huang Z, An J. PMID: 22779681; PMCID: PMC3891921.
      View in: PubMed   Mentions: 4     Fields:    Translation:HumansCells
    76. CCR5 mutations distinguish N-terminal modifications of RANTES (CCL5) with agonist versus antagonist activity. J Virol. 2012 Sep; 86(18):10218-20. Choi WT, Nedellec R, Coetzer M, Colin P, Lagane B, Offord RE, Hartley O, Mosier DE. PMID: 22787219; PMCID: PMC3446584.
      View in: PubMed   Mentions: 10     Fields:    Translation:HumansCells
    77. Drug discovery research targeting the CXC chemokine receptor 4 (CXCR4). J Med Chem. 2012 Feb 09; 55(3):977-94. Choi WT, Duggineni S, Xu Y, Huang Z, An J. PMID: 22085380; PMCID: PMC3476736.
      View in: PubMed   Mentions: 42     Fields:    Translation:HumansAnimalsCells
    78. Role of CXCR4 internalization in the anti-HIV activity of stromal cell-derived factor-1α probed by a novel synthetically and modularly modified-chemokine analog. Exp Biol Med (Maywood). 2011 Dec; 236(12):1413-9. Dong CZ, Tian S, Madani N, Choi WT, Kumar S, Liu D, Sodroski JG, Huang Z, An J. PMID: 22101518; PMCID: PMC3752462.
      View in: PubMed   Mentions: 7     Fields:    Translation:HumansCells
    79. Biology and clinical relevance of chemokines and chemokine receptors CXCR4 and CCR5 in human diseases. Exp Biol Med (Maywood). 2011 Jun 01; 236(6):637-47. Choi WT, An J. PMID: 21565895; PMCID: PMC3932662.
      View in: PubMed   Mentions: 24     Fields:    Translation:HumansAnimalsCells
    80. Crystal structure and structural mechanism of a novel anti-human immunodeficiency virus and D-amino acid-containing chemokine. J Virol. 2007 Oct; 81(20):11489-98. Liu D, Madani N, Li Y, Cao R, Choi WT, Kawatkar SP, Lim MY, Kumar S, Dong CZ, Wang J, Russell JD, Lefebure CR, An J, Wilson S, Gao YG, Pallansch LA, Sodroski JG, Huang Z. PMID: 17686848; PMCID: PMC2045531.
      View in: PubMed   Mentions: 11     Fields:    Translation:HumansCells
    81. Drug Discovery Research: New Frontiers in the Post-Genomic Era. Chapter 12: Basic and Translational Research of Chemokine Ligands and Receptors and Development of Novel Therapeutics. 2007; 300-335. Choi WT, Kumaki Y, Kumar IM, An J, Richman DD, Sodroski JG, Huang Z. View Publication.
    82. Neuronal apoptotic signaling pathways probed and intervened by synthetically and modularly modified (SMM) chemokines. J Biol Chem. 2007 Mar 09; 282(10):7154-63. Choi WT, Kaul M, Kumar S, Wang J, Kumar IM, Dong CZ, An J, Lipton SA, Huang Z. PMID: 17218311.
      View in: PubMed   Mentions: 10     Fields:    Translation:Cells
    83. Design and synthesis of novel chemokine analogs derived from vMIP-II. Protein Pept Lett. 2006; 13(5):499-501. Wang J, Kumar S, Choi WT, Dong C, Huang Z. PMID: 16800805.
      View in: PubMed   Mentions:    Fields:    Translation:HumansCells
    84. SMM-chemokines: a class of unnatural synthetic molecules as chemical probes of chemokine receptor biology and leads for therapeutic development. Chem Biol. 2006 Jan; 13(1):69-79. Kumar S, Choi WT, Dong CZ, Madani N, Tian S, Liu D, Wang Y, Pesavento J, Wang J, Fan X, Yuan J, Fritzsche WR, An J, Sodroski JG, Richman DD, Huang Z. PMID: 16426973.
      View in: PubMed   Mentions: 17     Fields:    Translation:HumansCells
    85. Different stereochemical requirements for CXCR4 binding and signaling functions as revealed by an anti-HIV, D-amino acid-containing SMM-chemokine ligand. J Med Chem. 2005 Dec 15; 48(25):7923-4. Dong CZ, Kumar S, Choi WT, Madani N, Tian S, An J, Sodroski JG, Huang Z. PMID: 16335916.
      View in: PubMed   Mentions: 8     Fields:    Translation:HumansCells
    86. Unique ligand binding sites on CXCR4 probed by a chemical biology approach: implications for the design of selective human immunodeficiency virus type 1 inhibitors. J Virol. 2005 Dec; 79(24):15398-404. Choi WT, Tian S, Dong CZ, Kumar S, Liu D, Madani N, An J, Sodroski JG, Huang Z. PMID: 16306611; PMCID: PMC1316031.
      View in: PubMed   Mentions: 39     Fields:    Translation:HumansCells
    87. Distinct functional sites for human immunodeficiency virus type 1 and stromal cell-derived factor 1alpha on CXCR4 transmembrane helical domains. J Virol. 2005 Oct; 79(20):12667-73. Tian S, Choi WT, Liu D, Pesavento J, Wang Y, An J, Sodroski JG, Huang Z. PMID: 16188969; PMCID: PMC1235829.
      View in: PubMed   Mentions: 40     Fields:    Translation:HumansCells
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