Pathology Outlines - Hyperplastic polyp
2023年9月8日 · B. Hyperplastic polyp. Gastric polyp showing elongated, tortuous and dilated gastric pits and edematous lamina propria (Surg Pathol Clin 2020;13:431). Answer A is incorrect because the polyp shows dilated pits lined by foveolar epithelium, not oxyntic epithelium. Answer C is incorrect because the polyp shows cystically dilated pits.
Pathology Outlines - Hyperplastic polyp
2021年4月19日 · Similar to microvesicular hyperplastic polyp of the colorectum, with elongated crypts, superficial serration and decreased goblet cells (Hum Pathol 2011;42:1953) No evidence of basal crypt booting (as in sessile serrated adenoma of …
Pathology Outlines - Endometrial polyp
2022年5月2日 · Endometrial polyp with atypical stromal cells appears to be indolent with no recurrences or progression to malignancy reported, even in cases treated only with curettage / polypectomy Case reports 28 year old woman with intravascular large B cell lymphoma in a benign appearing endometrial polyp ( Blood 2019;133:1920 )
Pathology Outlines - Cholesterol polyp
2023年7月28日 · Answer A is incorrect because the body of the polyp does not show hyperplastic smooth muscle as in adenomyomatosis. Answer C is incorrect because the polyp does not show hyperplastic gallbladder epithelium with elongated villi as in hyperplastic polyps. Comment Here Reference: Cholesterol polyp
Pathology Outlines - Juvenile (retention) polyp
2021年11月17日 · Juvenile polyp is the most common type of pediatric intestinal polyp, mostly seen in distal colon. Painless rectal bleed is the most common clinical presentation. Solitary juvenile polyps have minimal malignant potential; however, multiple juvenile polyps may indicate a premalignant condition (juvenile polyposis coli or juvenile polyposis ...
Pathology Outlines - Fundic gland polyp
2021年2月15日 · Benign cystic hyperplastic proliferation of oxyntic gland Traditionally regarded as hamartomatous lesions; however, studies have shown alterations in the APC beta catenin pathway in both sporadic and syndromic cases, supporting a neoplastic nature of these polyps (Mod Path 2002;15:718)
Pathology Outlines - Lymphoid polyp
2024年3月27日 · The latter may be used when there is no other associated lesion in addition to the colonic lymphoid polyp Note: there are instances when certain lesions, such as hyperplastic polyp or sessile serrated lesions / polyp, may occur alongside lymphoid polyp (see Microscopic (histologic) images)
Pathology Outlines - Polyp overview
2020年6月30日 · Sessile serrated polyp more likely to harbor high grade dysplasia than other adenomas when there is associated invasive carcinoma (40% versus 25.8%) (Intest Res 2016;14:270) Sessile serrated polyps with cytological dysplasia have worse prognosis, more likely to develop into colorectal carcinoma (Gut 2016;65:437) Polyp recurrence:
Pathology Outlines - Serrated lesions - general
2021年11月12日 · Current recommendation: a polyp with single classical sessile serrated polyp type crypt is sufficient for a diagnosis of sessile serrated lesions over hyperplastic polyps (Am J Surg Pathol 2014;38:158, Am J Gastroenterol 2012;107:1315) Deeper levels are often helpful
Pathology Outlines - Juvenile polyp
2024年8月29日 · Gastric hyperplastic / juvenile polyp (see comment) Negative for intestinal metaplasia or dysplasia Comment: Gastric hyperplastic polyps and juvenile polyps show similar histologic features and cannot be reliably distinguished on histology alone. Gastric hyperplastic polyps arise in the setting of a background mucosal injury.