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  • Pathology Outlines - Hyperplastic polyp
    Colon - Hyperplastic polyp is a very common type of polyp in the colon and rectum associated with no significant risk of malignant progression
  • Pathology Outlines - Hyperplastic polyp
    Stomach hyperplastic polyp is a surface epithelium derived polyp that is usually solitary and commonly found in gastric antrum
  • Pathology Outlines - Serrated lesions - general
    Often adjacent associated with a precursor polyp (hyperplastic polyps or sessile serrated lesions) Variants: Goblet cell rich mucinous traditional serrated adenomas: traditional serrated adenomas with a lot of goblet cells Filiform traditional serrated adenomas: traditional serrated adenomas with bulbous and edematous tips of villi
  • Pathology Outlines - Mucosal prolapse polyp
    Mucosal prolapse polyp is a nonneoplastic polyp lesion that may be seen in association with diverticular disease or polypoid phase of solitary rectal ulcer syndrome (SRUS)
  • Pathology Outlines - Fundic gland polyp
    Stomach, fundus, polypectomy: Fundic gland polyp Stomach, fundus, resection: Portion of stomach with numerous fundic gland polyps, some with focal low grade dysplasia (see comment) Negative for high grade dysplasia or malignancy Margins of resection unremarkable Comment: Multiple fundic gland polyps can arise in several settings, including proton pump inhibitor use, familial adenomatous
  • Pathology Outlines - Sessile serrated adenoma
    Differential diagnosis Hyperplastic polyp: Crypts in hyperplastic polyps are less distorted and will not be laterally dilated at the base Serrations are more pronounced at the epithelial surface than the base (World J Gastroenterol 2016;22:7754, Am J Gastroenterol 2012;107:1315) Traditional serrated adenoma (TSA):
  • Pathology Outlines - Endometrial polyp
    Endometrial polyp is a benign hyperplastic overgrowth of endometrial tissue that forms a localized projection into the endometrial cavity and is composed of a
  • Pathology Outlines - Traditional serrated adenoma
    Differential diagnosis Hyperplastic polyp and sessile serrated adenoma: Cytologic features of pseudostratification and nuclear elongation are most useful in distinguishing traditional serrated adenomas from hyperplastic polyps and sessile serrated adenomas (Virchows Arch 2012;461:495)
  • Pathology Outlines - Gallbladder extrahepatic bile ducts
    Gallbladder extrahepatic bile ducts Authors: Volkan Adsay, M D , Ahmed Afifi, M B B Ch , Ashwin S Akki, M D, Ph D , Uzayr Arif, D O , Gokce Askan, M D , Naziheh
  • Pathology Outlines - Juvenile (retention) polyp
    Colon - Juvenile (retention) polyp of colon is the most common type of pediatric intestinal polyp with prominent, cystically dilated glands and inflammatory stroma





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