Gallbladder polyp

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Author: Mikael Häggström [note 1]

Fixation

Generally 10% neutral buffered formalin.

Gross processing

Photograph of a 6 mm large hyperplastic polyp of the gallbladder.

As per gallbladder, with addition to submitting the entire polyp unless very large.

Microscopic evaluation

Look for signs of the most common polyp types:

  • Gallbladder polyp types by relative incidence.[1]
    Gallbladder polyp types by relative incidence.[1]
  • Hyperplastic polyp: There is no dysplasia.
    Hyperplastic polyp: There is no dysplasia.
  • Cholesterol polyp, low magnification
    Cholesterol polyp, low magnification
  • Cholesterol polyp, high magnification, showing papillary fronds with foamy macrophages. In this case, there is mild chronic cholecystitis, and subsequently the epithelial nuclei show reactive changes with mild enlargement and irregularity, but not to the degree of being dysplasia.
    Cholesterol polyp, high magnification, showing papillary fronds with foamy macrophages. In this case, there is mild chronic cholecystitis, and subsequently the epithelial nuclei show reactive changes with mild enlargement and irregularity, but not to the degree of being dysplasia.

Notes

  1. ↑ For a full list of contributors, see article history. Creators of images are attributed at the image description pages, seen by clicking on the images. See Patholines:Authorship for details.

Main page

References

  1. ↑ Pickering, Oliver; Pucher, Philip H.; Toale, Conor; Hand, Fiona; Anand, Easan; Cassidy, Sheena; McEntee, Gerry; Toh, Simon K.C. (2020). "Prevalence and Sonographic Detection of Gallbladder Polyps in a Western European Population ". Journal of Surgical Research 250: 226–231. doi:10.1016/j.jss.2020.01.003. ISSN 00224804. 

Image sources


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