Small intestine ischemia - Revision history

Mikael Häggström: /* Gross examination */ Linked

2021-04-14T21:49:12Z

Gross examination: Linked

← Older revision		Revision as of 17:49, 14 April 2021
Line 5:		Line 5:
	==Grossing==		==Grossing==
	===Gross examination===		===Gross examination===
			As per '''[[Small intestine]]'''.

	Optionally, blood vessels are dissected and submitted in several sections to detect inflammation and thrombosis		Optionally, blood vessels are dissected and submitted in several sections to detect inflammation and thrombosis

Mikael Häggström: /* Gross report */ class

2020-07-09T11:54:50Z

Gross report: class

← Older revision		Revision as of 07:54, 9 July 2020
Line 10:		Line 10:
	===Gross report===		===Gross report===
	Example, in a case of acute ischemic bowel:		Example, in a case of acute ischemic bowel:
	{\|		{\|class="wikitable"
	\| The specimen consists of a loop of small bowel measuring 41 cm in length and averaging 3.0 cm in diameter. The specimen is unoriented. Central areas, including mesentery, have dark red color. The surgical margins grossly appear normal and the discoloration starts approximately 3 cm from each surgical margin. The bowel is opened longitudinally and contains blood. The mucosa is dark red and granular with almost total loss of mucosal folds. There is marked hemorrhage within the mesentery. The bowel wall varies from 0.1 to 0.3 cm in thickness.		\| The specimen consists of a loop of small bowel measuring 41 cm in length and averaging 3.0 cm in diameter. The specimen is unoriented. Central areas, including mesentery, have dark red color. The surgical margins grossly appear normal and the discoloration starts approximately 3 cm from each surgical margin. The bowel is opened longitudinally and contains blood. The mucosa is dark red and granular with almost total loss of mucosal folds. There is marked hemorrhage within the mesentery. The bowel wall varies from 0.1 to 0.3 cm in thickness.
	\|}		\|}

Mikael Häggström: /* Microscopic diagnosis */ title

2020-07-09T11:54:15Z

Microscopic diagnosis: title

← Older revision		Revision as of 07:54, 9 July 2020
Line 18:		Line 18:
	Acute total vaso-occlusive ischemia typically displays gangrene with transmural necrosis and ulceration.		Acute total vaso-occlusive ischemia typically displays gangrene with transmural necrosis and ulceration.

	By time since onset:<ref>{{cite web\|url=https://www.pathologyoutlines.com/topic/smallbowelischemia.html\|website=PathologyOutlines\|author=Hanni Gulwani}} Topic Completed: 1 August 2012. Minor changes: 13 March 2019</ref>		By time since onset:<ref>{{cite web\|url=https://www.pathologyoutlines.com/topic/smallbowelischemia.html\|title=Small bowel (small intestine) - Benign tumors and tumor-like conditions - Ischemia\|website=PathologyOutlines\|author=Hanni Gulwani}} Topic Completed: 1 August 2012. Minor changes: 13 March 2019</ref>
	*Early:		*Early:
	:*Lamina propria hemorrhage		:*Lamina propria hemorrhage

Mikael Häggström: /* Microscopic diagnosis */ Detailed

2020-07-09T11:53:21Z

Microscopic diagnosis: Detailed

← Older revision		Revision as of 07:53, 9 July 2020
Line 15:		Line 15:

	==Microscopic diagnosis==		==Microscopic diagnosis==
	[[File:Histopathology of small bowel gangrene.jpg\|thumb\|Histopathology of small bowel gangrene, showing transmural hemorrhage and dilated blood vessels.]]		[[File:Histopathology of small bowel gangrene.jpg\|thumb\|Histopathology of acute small bowel gangrene, showing transmural hemorrhage and dilated blood vessels.]]
	~~Total~~ vaso-occlusive ischemia typically displays transmural necrosis and ulceration.		Acute total vaso-occlusive ischemia typically displays gangrene with transmural necrosis and ulceration.

	By time since onset:<ref>{{cite web\|url=https://www.pathologyoutlines.com/topic/smallbowelischemia.html\|website=PathologyOutlines\|author=Hanni Gulwani}} Topic Completed: 1 August 2012. Minor changes: 13 March 2019</ref>		By time since onset:<ref>{{cite web\|url=https://www.pathologyoutlines.com/topic/smallbowelischemia.html\|website=PathologyOutlines\|author=Hanni Gulwani}} Topic Completed: 1 August 2012. Minor changes: 13 March 2019</ref>

Mikael Häggström: /* Microscopic diagnosis */ +Image

2020-07-08T23:59:02Z

Microscopic diagnosis: +Image

← Older revision		Revision as of 19:59, 8 July 2020
Line 15:		Line 15:

	==Microscopic diagnosis==		==Microscopic diagnosis==
			[[File:Histopathology of small bowel gangrene.jpg\|thumb\|Histopathology of small bowel gangrene, showing transmural hemorrhage and dilated blood vessels.]]
	Total vaso-occlusive ischemia typically displays transmural necrosis and ulceration.		Total vaso-occlusive ischemia typically displays transmural necrosis and ulceration.

Mikael Häggström: /* Microscopic diagnosis */ +typical

2020-07-08T23:47:16Z

Microscopic diagnosis: +typical

← Older revision		Revision as of 19:47, 8 July 2020
Line 15:		Line 15:

	==Microscopic diagnosis==		==Microscopic diagnosis==
			Total vaso-occlusive ischemia typically displays transmural necrosis and ulceration.

	By time since onset:<ref>{{cite web\|url=https://www.pathologyoutlines.com/topic/smallbowelischemia.html\|website=PathologyOutlines\|author=Hanni Gulwani}} Topic Completed: 1 August 2012. Minor changes: 13 March 2019</ref>		By time since onset:<ref>{{cite web\|url=https://www.pathologyoutlines.com/topic/smallbowelischemia.html\|website=PathologyOutlines\|author=Hanni Gulwani}} Topic Completed: 1 August 2012. Minor changes: 13 March 2019</ref>
	*Early:		*Early:

Mikael Häggström: Started

2020-07-08T23:35:28Z

Started

New page

{{Top
|author1=[[User:Mikael Häggström|Mikael Häggström]]
|author2=
}}
==Grossing==
===Gross examination===
Optionally, blood vessels are dissected and submitted in several sections to detect inflammation and thrombosis

===Tissue selection===
===Gross report===
Example, in a case of acute ischemic bowel:
{|
| The specimen consists of a loop of small bowel measuring 41 cm in length and averaging 3.0 cm in diameter. The specimen is unoriented. Central areas, including mesentery, have dark red color. The surgical margins grossly appear normal and the discoloration starts approximately 3 cm from each surgical margin. The bowel is opened longitudinally and contains blood. The mucosa is dark red and granular with almost total loss of mucosal folds. There is marked hemorrhage within the mesentery. The bowel wall varies from 0.1 to 0.3 cm in thickness.
|}

==Microscopic diagnosis==
By time since onset:<ref>{{cite web|url=https://www.pathologyoutlines.com/topic/smallbowelischemia.html|website=PathologyOutlines|author=Hanni Gulwani}} Topic Completed: 1 August 2012. Minor changes: 13 March 2019</ref>
*Early:
:*Lamina propria hemorrhage
:*Superficial epithelial necrosis with preservation of deep crypts
*Later:
:*Ulceration with minimal inflammation
:*Villous distortion
:*Pyloric gland metaplasia
*Late: strictures of muscularis propria
{{Bottom}}