PathMD Quizes, GI Pathology GI Pathology – 06 October 29, 2017 peferguson Make sure to subscribe to PathMD to stay up to date with new content and features!! 1. A 64 y/o male presents with chronic weight loss that is significant and unwanted. Chest X-ray and CT scans show infiltrates and a possible mass. The patient has no known history of immune suppression or steroid use. An EGD was performed due to difficulty swallowing and showed a 5cm stricture. This area was biopsied, and representative images are shown. Based on the findings, what is the best diagnosis? Gastrointestinal Pathology - Part 6, Question #3 Gastrointestinal Pathology - Part 6, Question #3 Gastrointestinal Pathology - Part 6, Question #3 Gastrointestinal Pathology - Part 6, Question #3TB infectionSquamous cell carcinomaInvasive fungal infectionPoorly differentiated adenocarcinomaMAI infection 2. All of the following are true with respect to “intramucosal carcinoma” of the colon EXCEPT:Usually encountered in adenomasHas biologic potential for metastasisIs also referred to as high grade dysplasiaIs equivalent to the term intramucosal neoplasiaThere is no EXCEPT, all of the above are true 3. A 67 y/o female presents with dysphagia and undergoes an EGD. Biopsies were performed and histologic images and appropriate immunohistochemical (IHC) stains are performed. Based on the findings, what is the IHC diagnostic of? Gastrointestinal Pathology - Part 6, Question #2 Gastrointestinal Pathology - Part 6, Question #2 Gastrointestinal Pathology - Part 6, Question #2HSVCMVHIVEBV 4. Which of the following is the most specific marker for a gastrointestinal stromal tumor?CD10DesminS100CD117CD34 5. A 60 y/o male presents with a history of chronic diarrhea. Colonoscopy was performed with no significant findings. Random biopsies were obtained, which are shown for this case. Based on these findings, what is the best diagnosis? Gastrointestinal Pathology - Part 6, Question #5 Gastrointestinal Pathology - Part 6, Question #5 Gastrointestinal Pathology - Part 6, Question #5 Gastrointestinal Pathology - Part 6, Question #5 Gastrointestinal Pathology - Part 6, Question #5Ulcerative colitisLymphocytic colitisBrainerd diarrheaCrohnʼs diseaseCollagenous colitis 6. Fundic gland polyps are associated with all of the following EXCEPT:Proton pump inhibitor therapyAdenomatous polyposis coli (APC) gene mutationsFemale genderFamilial adenomatous polyposis (FAP)H. pylori infection 7. A patient undergoes an EGD for non-specific abdominal pain. A nodule is found in the duodenum. Based on the histologic images, what is the most important diagnosis to consider? Gastrointestinal Pathology - Part 6, Question #6 Gastrointestinal Pathology - Part 6, Question #6 Gastrointestinal Pathology - Part 6, Question #6Neurofibromatosis, type 1Gardner syndromeUnderlying carcinomaFamilial adenomatous polyposis 8. What is the best diagnosis, based on images for this case? Gastrointestinal Pathology - Part 6, Question #9 Gastrointestinal Pathology - Part 6, Question #9 Gastrointestinal Pathology - Part 6, Question #9. PAS Gastrointestinal Pathology - Part 6, Question #9. AE1/AE3 Gastrointestinal Pathology - Part 6, Question #9. AFBMAI infectionCryptosporidiosisWhipple diseaseMetastatic carcinomaDiarrheogenic bacterial colitis 9. All of the following are true about collagenous colitis, EXCEPT:Women outnumber men, 2:1Increased intraepithelial lymphocytes should always be presentDistal colon biopsies may appear normalPaneth cell metaplasia may indicate treatment resistanceThe collagen often entraps small capillaries 10. Which of the following are true about gastric foveolar polyps?Often have chronic inflammationAre associated with an increased risk of carcinomaDo not have intestinal metaplasiaTypically occur in the antrumProminent cystic change Loading...