Difference between revisions of "Grossing of minimally invasive colorectal surgery"
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*Describe any '''lesions''' | *Describe any '''lesions''' | ||
*Serially '''section''' the specimen. | *Serially '''section''' the specimen. | ||
− | [[File:Grossing of minimally invasive colorectal surgery specimen.jpg|thumb| | + | [[File:Grossing of minimally invasive colorectal surgery specimen.jpg|thumb|Example of [[inking]] and serial sectioning of a minimally invasive colorectal surgery specimen. Sections too wide to fit into one cassette are split into halves.]] |
*Select tissue for '''submission''': | *Select tissue for '''submission''': | ||
:*For '''clearly demarcated''' lesions, generally submit the entire lesion, as well as an {{en face}} section in each direction (similarly to [[gross processing of skin excisions|gross processing of suspected malignant skin excisions]]). | :*For '''clearly demarcated''' lesions, generally submit the entire lesion, as well as an {{en face}} section in each direction (similarly to [[gross processing of skin excisions|gross processing of suspected malignant skin excisions]]). |
Revision as of 12:47, 17 September 2021
Author:
Mikael Häggström [note 1]
For a flat intestinal specimen from minimally invasive colorectal surgery:
- Measure dimensions
- Ink the surgical margins. If unoriented, ink at least the radial and deep margin in different colors.
- Describe any lesions
- Serially section the specimen.
- Select tissue for submission:
- For clearly demarcated lesions, generally submit the entire lesion, as well as an en face[note 2] section in each direction (similarly to gross processing of suspected malignant skin excisions).
- For diffusely demarcated lesions, generally submit the entire specimen.
Gross report
Example:
((A. Labeled - ___. The specimen is received fresh and consists of)) a rhomboid-shaped fragment of pink-tan rectal wall measuring 4.5 x 3.7 cm and varying from 0.5 cm to 0.7 cm in thickness. The specimen has been oriented by the surgeon. The proximal margin is designated as 12:00 and the distal margin is designated as 6:00. The right margin is designated as 3:00 and the left margin is designated as 9:00. The surgical margins are inked as follows: 12:00 to 3:00 blue, 3:00 to 6:00 red, 6:00 to 9:00 green, 9:00 to 12:00 orange and deep black. The mucosal surface is tan and smooth and displays a central pale area measuring approximately 1.3 x 1.2 cm. The specimen is serially sectioned from 12:00 to 6:00 (proximal to distal) and entirely submitted for microscopic examination in eight cassettes, with the pale area in cassettes A3-A6. The 12:00 and 6:00 margins are submitted en face. |
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.
- ↑ En face means that the section is tangential to the region of interest (such as a lesion) of a specimen. Further information: Gross_processing#Cutting
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References
Image sources