MichaelAnsstasMD

PubMed

• BRAF/MEK Inhibition as a Bridge to Immunotherapy for Symptomatic BRAF V600 Melanoma Brain Metastases: A Case Series.
  Jacob Strelnikov, Alice Zhou, Omar Butt, Michael Ansstas, George Ansstas> ;Journal of the National Comprehensive Cancer Network. 2023 Aug 29
• Determining PARP Inhibition as a Treatment Strategy in Melanoma Based on Homologous Recombination Deficiency-Related Loss of Heterozygosity.
  Alice Zhou, Omar Butt, Michael Ansstas, Elizabeth Mauer, Karam Khaddour, George Ansstas> ;Journal of the National Comprehensive Cancer Network. 2023 Jul 1
• 7 citations
  Clinical outcomes and longitudinal circulating tumor DNA changes after treatment with nivolumab and olaparib in immunotherapy relapsed melanoma with detected homologou...
  Karam Khaddour, Michael Ansstas, George Ansstas> ;Cold Spring Harbor Molecular Case Studies. 2021 Oct 1
• Seronegative autoimmune enteropathy with duodenal sparing and colonic clues in an adult female.
  Albert K. Chong, Amir H. Kashani, Michael Ansstas, Laith H. Jamil, Maha Guindi> ;Clinical Journal of Gastroenterology. 2021 Feb 25
• 6 citations
  Normalization of electroretinogram and symptom resolution of melanoma-associated retinopathy with negative autoantibodies after treatment with programmed death-1 (PD-1...
  Karam Khaddour, Sangeeta Khanna, Michael Ansstas, Ishaan Jakhar, Sonika Dahiya, George Ansstas> ;Cancer Immunology, Immunotherapy. 2021 Feb 5
• 6 citations
  Mutation clearance and complete radiologic resolution of immunotherapy relapsed metastatic melanoma after treatment with nivolumab and olaparib in a patient with homol...
  Karam Khaddour, Michael Ansstas, John Visconti, George Ansstas> ;Annals of Oncology. 2021 Feb 1
• 4 citations
  Metachronous cutaneous squamous cell carcinoma in a young patient as the only presenting symptom to uncover Lynch syndrome with MLH1 Germline mutation
  Karam Khaddour, Ryan C. Fields, Michael Ansstas, Ilana S. Rosman, George Ansstas> ;Hereditary Cancer in Clinical Practice. 2020 Nov 16
• 1 citations
  Cherry pits causing colonic obstruction.
  Daniel Lew, Michael Ansstas, Kenneth H. Park> ;Gastrointestinal Endoscopy. 2020 May 1
• 4 citations
  Internal medicine resident training and provision of diabetes quality of care indicators.
  Bishnu Devkota, Michael Ansstas, Jeffrey F. Scherrer, Joanne Salas, Chakra Budhathoki> ;Canadian Journal of Diabetes. 2015 Apr 1
• 119 citations
  Randomized, controlled trial of standard-definition white-light, high-definition white-light, and narrow-band imaging colonoscopy for the detection of colon polyps and...
  Amit Rastogi, Dayna S. Early, Neil Gupta, Ajay Bansal, Vikas Singh, Michael Ansstas, Sreenivasa S. Jonnalagadda, Christine E. Hovis, Srinivas Gaddam, Sachin Wani, Stev...> ;Gastrointestinal Endoscopy. 2011 Sep 1
• 99 citations
  Risk of post-ERCP pancreatitis with placement of self-expandable metallic stents
  Gregory A. Cote, Nitin Kumar, Michael Ansstas, Steven A. Edmundowicz, Sreenivasa S. Jonnalagadda, Daniel Mullady, Riad R. Azar> ;Gastrointestinal Endoscopy. 2010 Oct 1
• 4 citations
  Physician-Controlled Wire-Guided Cannulation of the Minor Papilla
  John T. Maple, Lilah Mansour, Tarek Ammar, Michael Ansstas, Gregory A. Cote, Riad R. Azar> ;Diagnostic and Therapeutic Endoscopy. 2010 Aug 11
• 179 citations
  Incidence of sedation-related complications with propofol use during advanced endoscopic procedures.
  Gregory A. Cote, Robert M. Hovis, Michael Ansstas, Lawrence Waldbaum, Riad R. Azar, Dayna S. Early, Steven A. Edmundowicz, Daniel Mullady, Sreenivasa S. Jonnalagadda> ;Clinical Gastroenterology and Hepatology. 2010 Feb 1
• 15 citations
  Findings at endoscopic retrograde cholangiopancreatography after endoscopic treatment of postcholecystectomy bile leaks.
  Gregory A. Cote, Michael Ansstas, Somal Shah, Rajesh N. Keswani, Saad Alkade, Sreenivasa S. Jonnalagadda, Steven A. Edmundowicz, Riad R. Azar> ;Surgical Endoscopy. 2010 Jan 1
• 36 citations
  Difficult biliary cannulation: use of physician-controlled wire-guided cannulation over a pancreatic duct stent to reduce the rate of precut sphincterotomy (with video).
  Gregory A. Cote, Michael Ansstas, Rishi Pawa, Steven A. Edmundowicz, Sreenivasa S. Jonnalagadda, Douglas K. Pleskow, Riad R. Azar> ;Gastrointestinal Endoscopy. 2009 Apr 1
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Journal Articles

• Seronegative autoimmune enteropathy with duodenal sparing and colonic clues in an adult female  
  Albert Chong 1 , Amir Kashani 2 , Michael Ansstas 3 , Laith Jamil 4 , Maha Guindi 5, Clinical Journal of Gastroenterology, 2/25/2021
• Immunodeficiency in a 2-Year-Old Girl with 22q121-122 Chromosomal Deletions  
  A. Knutsen, MD, M.Ansstas, MD, Pediatric Of allergy and Immunology Journal
• Standard Definition White Light, High Definition White Light and Narrow Band Imaging Colonoscopy for the Detection of Colon Polyps  
  Rastogi, Amit; Early, Dayna S.; Gupta, Neil; Bansal, Ajay; Singh, Vikas; Ansstas, Michael; Jonnalagadda, Sreenivasa S.; Hovis, Christine E.; Gaddam, Srinivas; Wani, Sa..., Gastrointest Endosc

Books/Book Chapters

• Washington Manuel, Hematology & oncology 
  Chapter: Oncological Emergency 
  Page 431 - 443Amanad CashenEditors: Amanda Cashen.Washington University , St.LouisEdition 3,2012

Abstracts/Posters

• A Multicenter, Prospective Comparison of Standard Definition White Light (SDWL) Colonoscopy, High Definition White Light (HDWL) Colonoscopy and Narrow Band Imaging (NB...
  Amit Rastogi, Dayna S. Early, Neil Gupta, Ajay Bansal, Vikas Singh, Michael Ansstas, Sreenivasa S. Jonnalagadda, Christine E. Hovis, Srinivas Gaddam, Sachin B. Wani, S..., Digestive Disease Week (DDW), New Orleans, LA, 1/1/2010
• A Multicenter, Prospective, Randomized Controlled Trial Comparing Standard Definition White Light (SDWL), High Definition White Light (HDWL) and Narrow Band Imaging (N...
  Amit Rastogi, Dayna S. Early, Neil Gupta, Ajay Bansal, Vikas Singh, Michael Ansstas, Sreenivasa S. Jonnalagadda, Christine E. Hovis, Srinivas Gaddam, Sachin B. Wani, S..., Digestive Disease Week (DDW), New Orleans, LA, 1/1/2010
• A randomized clinical trial comparing the use of a pancreatic duct stent or a pancreatic duct guidewire to facilitate bile duct cannulation
  Gregory A. Cote, Christine E. Hovis, Rajesh N. Keswani, Michael Ansstas, Steven A. Edmundowicz, Sreenivasa S. Jonnalagadda, Srinadh Komanduri, Daniel Mullady, Riad R. ..., Digestive Disease Week (DDW), New Orleans, LA, 1/1/2010
• Comparison of Standard Definition White Light (SD-WL), High Definition White Light (HD-WL), and Narrow Band Imaging (NBI) Colonoscopy: Impact on Surveillance Interval ...
  Neil Gupta,Dayna S. Early, Vikas Singh, Sachin B. Wani, Michael Ansstas, Christine E. Hovis, Srinivas Gaddam, Ajay Bansal, Sreenivasa S. Jonnalagadda, Steven A. Edmund..., Digestive Disease Week (DDW), New Orleans, LA, 1/1/2010
• Disseminated Blastomycosis in an Young Immuno-Competent Female
  Liliane Hobeika, MD, Michael Ansstas, MD, Mark Walshauser, MD, Erin Bakanas, MD, American College of Physicians, Missouri Chapter, Lake of Ozark, MO, 1/1/2010
• Fiducial Placement for Stereotactic Radiation Using Endoscopic Ultrasound: Feasibility Using a Marker Compatible with a Standard 22 Gauge FNA Needle
  Gregory A. Cote ,Michael Ansstas, Steven A. Edmundowicz,Sreenivasa Jonnalagadda, Daniel Mullady ,Riad R. Azar, Digestive Disease Week (DDW), Chicago, IL, 1/1/2009
• The yield of repeat Cholangiogram with balloon sweep at the time of biliary stent removal for post-cholecystectomy bile leak
  Michael Ansstas, Somal Shah, Saad Alkade, Rajesh N. Keswani1, Basem Abdeen1, Sreenivasa S. Jonnalagadda, Steven A. Edmundowicz, Riad R. Azar, American College of Gastroenterology Annual Meeting, Orlando, FL, 1/1/2009
• Endoscopic Treatment of Pancreatic Fluid Collections: Role for Debridement with a Nasocystic Drain At the Time of Initial Endoscopy
  Gregory A. Cote, Michael Ansstas, Steven Edmundowicz, Sreenivasa Jonnalagadda, Daniel Mullady, Riad R. Azar, Digestive Disease Week (DDW), Chicago, IL, 1/1/2009
• Difficult Biliary Cannulation: Use of Physician Controlled Wire-Guided Cannulation Over a Pancreatic Duct Stent to Reduce the Rate of Precut Sphincterotomy
  Michael Ansstas, Rishi Pawa, Gregory A. Cote, Somal Shah, Douglas K. Pleskow, Riad R. Azar, Digestive Disease Week (DDW), Chicago, IL, 1/1/2009
• Deep Sedation in Advanced Endoscopy: Frequency and Clinical Characteristics of Patients Who Require Airway Modifications
  Gregory A. Cote Robert M . Hovis ,Michael Ansstas, Lawrence Waldbaum Riad R. Azar, Steven A. Edmundowicz, Daniel Mullady, Sreenivasa Jonnalagadda, Digestive Disease Week (DDW), Chicago, IL, 1/1/2009
• Physician Controlled Wire Guided Cannulation of the Minor Papilla
  Tarek Ammar, John T. Maple, Michael Ansstas, Basem M. Abdeen, Gregory A. Cote, Riad R. Azar, Digestive Disease Week (DDW), Chicago, IL, 1/1/2009
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Lectures

• An elusive case of Muckle-Wells Syndrome: A case report and review of literature 
  1/1/2013
• Successful Immunotherapy in Skin Test Induced Anaphylactic Reaction to Venom 
  St. Louis, MO - 1/1/2012
• Risk of Post-ERCP Pancreatitis with Placement of Self-Expandable Metallic Stents: a Retrospective, Cohort Analysis 
  Chicago, IL - 1/1/2009