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	<id>https://librepathology.org/w/index.php?action=history&amp;feed=atom&amp;title=Emperipolesis</id>
	<title>Emperipolesis - Revision history</title>
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	<updated>2026-05-15T01:42:07Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://librepathology.org/w/index.php?title=Emperipolesis&amp;diff=32443&amp;oldid=prev</id>
		<title>Michael at 03:18, 7 July 2014</title>
		<link rel="alternate" type="text/html" href="https://librepathology.org/w/index.php?title=Emperipolesis&amp;diff=32443&amp;oldid=prev"/>
		<updated>2014-07-07T03:18:52Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 03:18, 7 July 2014&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Image:Emperipolesis - very high mag.jpg|thumb|right|Emperipolesis in [[Rosai-Dorfman disease]]. [[H&amp;amp;E stain]].]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;'''Emperipolesis''' is an intact cell within another cell. The term is derived from ''em'' (inside), ''peri'' (around), and ''polemai'' (is wander about).&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;'''Emperipolesis''' is an intact cell within another cell. The term is derived from ''em'' (inside), ''peri'' (around), and ''polemai'' (is wander about).&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Michael</name></author>
	</entry>
	<entry>
		<id>https://librepathology.org/w/index.php?title=Emperipolesis&amp;diff=32440&amp;oldid=prev</id>
		<title>Michael: /* Images */</title>
		<link rel="alternate" type="text/html" href="https://librepathology.org/w/index.php?title=Emperipolesis&amp;diff=32440&amp;oldid=prev"/>
		<updated>2014-07-07T03:15:04Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Images&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 03:15, 7 July 2014&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l21&quot;&gt;Line 21:&lt;/td&gt;
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&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;gallery&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;gallery&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Image:Rosai-dorfman.jpg|Emperipolesis in [[Rosai-Dorfman disease]]. S100 immunostain.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Image:Rosai-dorfman.jpg|Emperipolesis in [[Rosai-Dorfman disease]]. S100 immunostain.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Image:Emperipolesis.jpg|&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Emperipolesis: [[&lt;/del&gt;Megakaryocyte&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]] &lt;/del&gt;containing a [[neutrophil]]. May-Grünwald Giemsa stain.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Image:Emperipolesis.jpg|Megakaryocyte containing a [[neutrophil]]. May-Grünwald Giemsa stain.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
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&lt;/table&gt;</summary>
		<author><name>Michael</name></author>
	</entry>
	<entry>
		<id>https://librepathology.org/w/index.php?title=Emperipolesis&amp;diff=32439&amp;oldid=prev</id>
		<title>Michael: create</title>
		<link rel="alternate" type="text/html" href="https://librepathology.org/w/index.php?title=Emperipolesis&amp;diff=32439&amp;oldid=prev"/>
		<updated>2014-07-07T03:14:06Z</updated>

		<summary type="html">&lt;p&gt;create&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;'''Emperipolesis''' is an intact cell within another cell. The term is derived from ''em'' (inside), ''peri'' (around), and ''polemai'' (is wander about).&lt;br /&gt;
&lt;br /&gt;
==General==&lt;br /&gt;
*Nonspecific finding seen in a number of conditions.&lt;br /&gt;
&lt;br /&gt;
It is seen in:&lt;br /&gt;
*[[Rosai-Dorfman disease]].&lt;br /&gt;
*Megakaryocytes.&amp;lt;ref name=pmid1637881&amp;gt;{{cite journal |author=Cashell AW, Buss DH |title=The frequency and significance of megakaryocytic emperipolesis in myeloproliferative and reactive states |journal=Ann. Hematol. |volume=64 |issue=6 |pages=273–6 |year=1992 |month=June |pmid=1637881 |doi= |url=}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
*[[Autoimmune hepatitis]].&lt;br /&gt;
&lt;br /&gt;
==Microscopic==&lt;br /&gt;
Features:&lt;br /&gt;
*Intact cell (e.g. lymphocyte, neutrophil) within a macrophage.&lt;br /&gt;
**Engulfed cell usually has a halo around it.&lt;br /&gt;
&lt;br /&gt;
DDx:&lt;br /&gt;
*Cell overlap.&lt;br /&gt;
*Hemophagocytosis.&lt;br /&gt;
&lt;br /&gt;
===Images===&lt;br /&gt;
&amp;lt;gallery&amp;gt;&lt;br /&gt;
Image:Rosai-dorfman.jpg|Emperipolesis in [[Rosai-Dorfman disease]]. S100 immunostain.&lt;br /&gt;
Image:Emperipolesis.jpg|Emperipolesis: [[Megakaryocyte]] containing a [[neutrophil]]. May-Grünwald Giemsa stain.&lt;br /&gt;
&amp;lt;/gallery&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==See also==&lt;br /&gt;
*[[Hemophagocytic syndrome]].&lt;br /&gt;
&lt;br /&gt;
==References==&lt;br /&gt;
{{Reflist|1}}&lt;br /&gt;
&lt;br /&gt;
[[Category:Stuff]]&lt;/div&gt;</summary>
		<author><name>Michael</name></author>
	</entry>
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