File:Histopathology of tubulovillous adenoma.jpg

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Summary

Description
English: Low magnification micrograph of a tubulovillous adenoma, TVA. Surgical specimen. H&E stain.

TVAs are precancerous lesions that have a mixture a villous morphology and tubular morphology, where the villous component is <50% of the lesion, but greater or equal to 25% of the lesion.

TVAs have nuclear changes like those in tubular adenomas and villous adenomas:

  • Nuclear elongation; elliptical nuclei,
  • Nuclear crowding/pseudostratification.

Morphologic changes include:

  • Loss of goblet cells,
  • Hyperchromatic ("open") nuclei at the luminal surface.

Tubular morphology:

  • Round gland-like structures.

Villous morphology:

  • Long finger-like projections; similar in appearance to villi.
Date
Source Own work
Author
Mikael Häggström, M.D. Author info
- Reusing images
- Conflicts of interest:
  None

Mikael Häggström, M.D.

[[Category:Mikael Häggström/{{{cat}}}]]
Other versions
Original.
Camera location41° 24′ 17.72″ N, 73° 26′ 47.49″ W  Heading=240.67146° Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

Licensing

Creative Commons CC-Zero This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.

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inception

13 August 2020

coordinates of the point of view

41°24'17.719"N, 73°26'47.490"W

heading: 240.67146 degree

exposure time

0.00195694716242661448 second

focal length

4 millimetre

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Date/TimeThumbnailDimensionsUserComment
current19:29, 13 August 2020Thumbnail for version as of 19:29, 13 August 20202,053 × 1,233 (890 KB)Mikael HäggströmUploaded own work with UploadWizard

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