Difference between revisions of "Thyroid"
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{{Fixation - standard}} Fix all thyroids at least overnight to avoid artifactual nuclear atypia.<ref name=chicago>{{cite web|url=https://voices.uchicago.edu/grosspathology/head-neck/thyroid/#primary-column|title=Gross Pathology Manual By The University of Chicago Department of Pathology}} Updated 2-14-19 NAC.</ref> | {{Fixation - standard}} Fix all thyroids at least overnight to avoid artifactual nuclear atypia.<ref name=chicago>{{cite web|url=https://voices.uchicago.edu/grosspathology/head-neck/thyroid/#primary-column|title=Gross Pathology Manual By The University of Chicago Department of Pathology}} Updated 2-14-19 NAC.</ref> | ||
{{Fixation - general notes}} | {{Fixation - general notes}} | ||
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==Gross processing== | ==Gross processing== | ||
*'''Weigh'''<ref name=chicago/> | *'''Weigh'''<ref name=chicago/> | ||
Revision as of 13:59, 9 July 2020
Author:
Mikael Häggström [note 1]
Contents
Presentations
Fixation
Generally 10% neutral buffered formalin. Fix all thyroids at least overnight to avoid artifactual nuclear atypia.[1]
See also: General notes on fixation
Gross processing
- Weigh[1]
- Measure each lobe and isthmus in 3 dimensions, respectively.[1]
- Ink outer surface,[1] at least if malignancy is suspected.[2]:Template:Ink note
Hemithyroidecomy (lobe + isthmus) or lobectomy, including completion thyroidectomies: Use separate colors over the cut surface and the outer “capsular” surface.[notes 1]
None of the outer “capsular” surface should be inked like the cut surface.[notes 1]
Intact total thyroidectomy: Separate colors for each lobe and the isthmus.
If no appreciable isthmus, Separate colors for each lobe.
Serially section the specimen at 3-4mm intervals,[3] such as follows:[1]
Hemithyroidecomy (lobe + isthmus) or lobectomy: Include isthmic orange margins in your transverse sections.
Intact total thyroidectomy: Transverse lobe sections and sagittal isthmus sections
Short/inconspicious isthmus: The isthmus can be included in the transverse sections.
See also: General notes on gross processing
Notes
- ↑ 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
- ↑ 1.0 1.1 1.2 1.3 1.4 . Gross Pathology Manual By The University of Chicago Department of Pathology. Updated 2-14-19 NAC.
- ↑ Monica Dahlgren, Janne Malina, Anna Måsbäck, Otto Ljungberg. Stora utskärningen. KVAST (Swedish Society of Pathology). Retrieved on 2019-09-26.
- ↑ . THYROID. Royal College of pathologists of Australia. Retrieved on 2019-12-17.
Image sources
