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	<title>Pacific Breast Pathology &#187; estrogen receptor</title>
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	<link>http://www.pacificbreastpathology.com/blog</link>
	<description>Pacific Breast Pathology weblog</description>
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		<title>Understanding Pathology Results</title>
		<link>http://www.pacificbreastpathology.com/blog/ask_the_pathologist/understanding-pathology-results/</link>
		<comments>http://www.pacificbreastpathology.com/blog/ask_the_pathologist/understanding-pathology-results/#comments</comments>
		<pubDate>Tue, 11 Oct 2011 15:25:02 +0000</pubDate>
		<dc:creator>drlawton</dc:creator>
				<category><![CDATA[Ask the Pathologist]]></category>
		<category><![CDATA[breast cancer]]></category>
		<category><![CDATA[breast cancer stage]]></category>
		<category><![CDATA[carcinoma in situ]]></category>
		<category><![CDATA[chemotherapy]]></category>
		<category><![CDATA[core biopsy]]></category>
		<category><![CDATA[estrogen receptor]]></category>
		<category><![CDATA[HER2]]></category>
		<category><![CDATA[invasive carcinoma]]></category>
		<category><![CDATA[pathologist]]></category>
		<category><![CDATA[treatment]]></category>

		<guid isPermaLink="false">http://www.breastpathologyconsults.com/blog/?p=943</guid>
		<description><![CDATA[Question:  Can you help me understand this report?
Breast Right, biospy:
Infiltrating ductal carcinoma
SBR/Nottingham grade 2/3
Tubular score 2.
Nuclear score 2.
Mitotic score 2 (focal).
No evidence of angiolymphatic invasion
Cancerization og lobules
Ductal carcinoma in situ
Solid, papillary and cribriform patterns
Nuclear grade 2-3
Comedonecrosis present
Microcalcifications associated with in situ malignancy
Immunostains -
Estrogen receptor &#8211; diffuse strong positivity in 97% of tumor cell nuclei
Progesterone receptor [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Tubular Carcinoma</title>
		<link>http://www.pacificbreastpathology.com/blog/ask_the_pathologist/tubular-carcinoma-2/</link>
		<comments>http://www.pacificbreastpathology.com/blog/ask_the_pathologist/tubular-carcinoma-2/#comments</comments>
		<pubDate>Mon, 05 Sep 2011 00:46:45 +0000</pubDate>
		<dc:creator>drlawton</dc:creator>
				<category><![CDATA[Ask the Pathologist]]></category>
		<category><![CDATA[breast cancer]]></category>
		<category><![CDATA[estrogen receptor]]></category>
		<category><![CDATA[immunohistochemistry]]></category>
		<category><![CDATA[invasive carcinoma]]></category>
		<category><![CDATA[invasive ductal carcinoma]]></category>
		<category><![CDATA[pathologist]]></category>
		<category><![CDATA[second opinion]]></category>
		<category><![CDATA[treatment]]></category>

		<guid isPermaLink="false">http://www.breastpathologyconsults.com/blog/?p=927</guid>
		<description><![CDATA[Question:  Hello: I am a 50 year old premenopausal female. I had a 2.5 mm tubular carcinoma diagnosed in Dec 2010 and had a simple mastectomy and neg SNB. I then had a prophylactic mastectomy in March of the other side. There were atypical hyperplastic lobular and ductal cell changes in the remainder of [...]]]></description>
		<wfw:commentRss>http://www.pacificbreastpathology.com/blog/ask_the_pathologist/tubular-carcinoma-2/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Tubular Carcinoma</title>
		<link>http://www.pacificbreastpathology.com/blog/ask_the_pathologist/tubular-carcinoma/</link>
		<comments>http://www.pacificbreastpathology.com/blog/ask_the_pathologist/tubular-carcinoma/#comments</comments>
		<pubDate>Fri, 22 Jul 2011 17:20:35 +0000</pubDate>
		<dc:creator>drlawton</dc:creator>
				<category><![CDATA[Ask the Pathologist]]></category>
		<category><![CDATA[breast cancer]]></category>
		<category><![CDATA[breast cancer stage]]></category>
		<category><![CDATA[cancer grade]]></category>
		<category><![CDATA[estrogen receptor]]></category>
		<category><![CDATA[HER2]]></category>
		<category><![CDATA[invasive carcinoma]]></category>
		<category><![CDATA[invasive ductal carcinoma]]></category>
		<category><![CDATA[pathologist]]></category>
		<category><![CDATA[stage]]></category>

		<guid isPermaLink="false">http://www.breastpathologyconsults.com/blog/?p=895</guid>
		<description><![CDATA[Question:  Pathologist gave a diagnosis of Invasive ductal cancer grade 1 (2/2/1), however when asked said it was a tubular cancer are these two different? thank you
 Answer: Tubular carcinomas are a special type of invasive carcinoma that is in a group often called &#8220;favorable&#8221; prognosis breast cancers. Recent data has confirmed this. Grade [...]]]></description>
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		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Invasive Lobular vs. Invasive Ductal Carcinoma</title>
		<link>http://www.pacificbreastpathology.com/blog/ask_the_pathologist/invasive-lobular-vs-invasive-ductal-carcinoma/</link>
		<comments>http://www.pacificbreastpathology.com/blog/ask_the_pathologist/invasive-lobular-vs-invasive-ductal-carcinoma/#comments</comments>
		<pubDate>Sun, 19 Jun 2011 22:56:46 +0000</pubDate>
		<dc:creator>drlawton</dc:creator>
				<category><![CDATA[Ask the Pathologist]]></category>
		<category><![CDATA[breast cancer]]></category>
		<category><![CDATA[breast cancer stage]]></category>
		<category><![CDATA[estrogen receptor]]></category>
		<category><![CDATA[HER2]]></category>
		<category><![CDATA[immunohistochemistry]]></category>
		<category><![CDATA[invasive carcinoma]]></category>
		<category><![CDATA[invasive ductal carcinoma]]></category>
		<category><![CDATA[invasive lobular carcinoma]]></category>
		<category><![CDATA[pathologist]]></category>

		<guid isPermaLink="false">http://www.breastpathologyconsults.com/blog/?p=890</guid>
		<description><![CDATA[Question:  What is the difference between invasive lobular and ductal carcinoma? My first biopsy I had at my ultrasound said &#8220;invasive lobular carcinoma grade 2/3&#8243; and my surgery biopsy said &#8220;invasive ductal carcinoma grade 2/3&#8243;. Does this make any difference?
 Answer: Not really, because a core biopsy only samples part of the tumor.  [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>DCIS and Need for Re-Excision Following Positive Margins</title>
		<link>http://www.pacificbreastpathology.com/blog/ask_the_pathologist/845/</link>
		<comments>http://www.pacificbreastpathology.com/blog/ask_the_pathologist/845/#comments</comments>
		<pubDate>Tue, 10 May 2011 18:02:00 +0000</pubDate>
		<dc:creator>drlawton</dc:creator>
				<category><![CDATA[Ask the Pathologist]]></category>
		<category><![CDATA[atypical ductal hyperplasia]]></category>
		<category><![CDATA[breast cancer]]></category>
		<category><![CDATA[carcinoma in situ]]></category>
		<category><![CDATA[ductal carcinoma in situ]]></category>
		<category><![CDATA[estrogen receptor]]></category>
		<category><![CDATA[invasive carcinoma]]></category>
		<category><![CDATA[papilloma]]></category>
		<category><![CDATA[pathologist]]></category>
		<category><![CDATA[second opinion]]></category>
		<category><![CDATA[surgical margins]]></category>

		<guid isPermaLink="false">http://www.breastpathologyconsults.com/blog/?p=845</guid>
		<description><![CDATA[Question: Hello, and thanks for taking the time to answer my questions.
March 29th first biopsy done, clinical information and history: Bloody  nipple discharge left breast for 20 months, papilloma suspected,  mammogram clear.  Diagnosis after excision: 1. Low grade DCIS 2. Focal  proliferative fibrocystic changes and small intraductal papilloma 3.  DCIS [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>DCIS on Core but only ADH on Excision</title>
		<link>http://www.pacificbreastpathology.com/blog/ask_the_pathologist/841/</link>
		<comments>http://www.pacificbreastpathology.com/blog/ask_the_pathologist/841/#comments</comments>
		<pubDate>Sun, 08 May 2011 21:41:08 +0000</pubDate>
		<dc:creator>drlawton</dc:creator>
				<category><![CDATA[Ask the Pathologist]]></category>
		<category><![CDATA[atypical ductal hyperplasia]]></category>
		<category><![CDATA[breast cancer]]></category>
		<category><![CDATA[carcinoma in situ]]></category>
		<category><![CDATA[core biopsy]]></category>
		<category><![CDATA[ductal carcinoma in situ]]></category>
		<category><![CDATA[estrogen receptor]]></category>
		<category><![CDATA[pathologist]]></category>
		<category><![CDATA[second opinion]]></category>

		<guid isPermaLink="false">http://www.breastpathologyconsults.com/blog/?p=841</guid>
		<description><![CDATA[Question: I am 40 years old and had my first mammogram 2 months ago. It showed a 5 mm area of micro calcifications. I had a stereotactic vacuum assisted biopsy and 8 samples were retrieved. The histopath came back as DCIS &#8211; cribriform, clinging, with a nuclear grade of 2 out of 3. The slides [...]]]></description>
		<wfw:commentRss>http://www.pacificbreastpathology.com/blog/ask_the_pathologist/841/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Prognostic Marker Changes in Metastatic Breast Cancer</title>
		<link>http://www.pacificbreastpathology.com/blog/dr_lawtons_blog/prognostic-marker-changes-in-metastatic-breast-cancer/</link>
		<comments>http://www.pacificbreastpathology.com/blog/dr_lawtons_blog/prognostic-marker-changes-in-metastatic-breast-cancer/#comments</comments>
		<pubDate>Mon, 04 Oct 2010 19:54:40 +0000</pubDate>
		<dc:creator>drlawton</dc:creator>
				<category><![CDATA[PBP Blog]]></category>
		<category><![CDATA[breast cancer]]></category>
		<category><![CDATA[estrogen receptor]]></category>
		<category><![CDATA[HER2]]></category>
		<category><![CDATA[immunohistochemistry]]></category>
		<category><![CDATA[invasive carcinoma]]></category>

		<guid isPermaLink="false">http://www.breastpathologyconsults.com/blog/?p=705</guid>
		<description><![CDATA[There is a recent study published in the September 23 issue of Breast Cancer Research that looked at changes in prognostic markers (estrogen/progesterone receptor and HER2/neu) between primary breast cancers and metastatic lesions. If you click on the Breast Cancer Research link it will provide you with the abstract.  The full article is temporarily free from [...]]]></description>
		<wfw:commentRss>http://www.pacificbreastpathology.com/blog/dr_lawtons_blog/prognostic-marker-changes-in-metastatic-breast-cancer/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Estrogen Receptor Staining in Breast Cancer</title>
		<link>http://www.pacificbreastpathology.com/blog/ask_the_pathologist/estrogen-receptor-staining-in-breast-cancer/</link>
		<comments>http://www.pacificbreastpathology.com/blog/ask_the_pathologist/estrogen-receptor-staining-in-breast-cancer/#comments</comments>
		<pubDate>Tue, 29 Jun 2010 00:23:55 +0000</pubDate>
		<dc:creator>drlawton</dc:creator>
				<category><![CDATA[Ask the Pathologist]]></category>
		<category><![CDATA[breast cancer]]></category>
		<category><![CDATA[ductal carcinoma in situ]]></category>
		<category><![CDATA[estrogen receptor]]></category>
		<category><![CDATA[HER2]]></category>
		<category><![CDATA[invasive carcinoma]]></category>
		<category><![CDATA[pathologist]]></category>

		<guid isPermaLink="false">http://www.breastpathologyconsults.com/blog/?p=681</guid>
		<description><![CDATA[Question: I recently had a breast biopsy with invasive ductal carcinoma, grade 3 and ductal carcinoma in situ.  My report said &#8220;the carcinoma is estrogen and progesterone receptor negative (&#60;5%) and negative for her2/neu over-expression (1+).&#8221;  I read online that sometimes even less than 5% could still be positive for the estrogen receptor. [...]]]></description>
		<wfw:commentRss>http://www.pacificbreastpathology.com/blog/ask_the_pathologist/estrogen-receptor-staining-in-breast-cancer/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Androgen Receptors and Breast Cancer: A New Therapeutic Target?</title>
		<link>http://www.pacificbreastpathology.com/blog/dr_lawtons_blog/androgen-receptors-and-breast-cancer-a-new-therapeutic-target/</link>
		<comments>http://www.pacificbreastpathology.com/blog/dr_lawtons_blog/androgen-receptors-and-breast-cancer-a-new-therapeutic-target/#comments</comments>
		<pubDate>Fri, 24 Oct 2008 17:21:20 +0000</pubDate>
		<dc:creator>drlawton</dc:creator>
				<category><![CDATA[PBP Blog]]></category>
		<category><![CDATA[breast cancer]]></category>
		<category><![CDATA[estrogen receptor]]></category>
		<category><![CDATA[HER2]]></category>
		<category><![CDATA[invasive carcinoma]]></category>
		<category><![CDATA[triple negative]]></category>

		<guid isPermaLink="false">http://www.breastpathologyconsults.com/blog/?p=449</guid>
		<description><![CDATA[Everyone has heard of the importance of estrogen and progesterone receptors in breast cancer&#8211;but how many of you have heard of the possible role of androgen receptors (AR) in breast cancer?
I have a particular interest in this subject as we published an article several years ago that found AR positivity in 49% of estrogen receptor [...]]]></description>
		<wfw:commentRss>http://www.pacificbreastpathology.com/blog/dr_lawtons_blog/androgen-receptors-and-breast-cancer-a-new-therapeutic-target/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>ADH vs. DCIS</title>
		<link>http://www.pacificbreastpathology.com/blog/dr_lawtons_blog/adh-vs-dcis-2/</link>
		<comments>http://www.pacificbreastpathology.com/blog/dr_lawtons_blog/adh-vs-dcis-2/#comments</comments>
		<pubDate>Fri, 10 Oct 2008 04:47:17 +0000</pubDate>
		<dc:creator>drlawton</dc:creator>
				<category><![CDATA[PBP Blog]]></category>
		<category><![CDATA[breast cancer]]></category>
		<category><![CDATA[ductal carcinoma in situ]]></category>
		<category><![CDATA[estrogen receptor]]></category>
		<category><![CDATA[pathologist]]></category>
		<category><![CDATA[second opinion]]></category>

		<guid isPermaLink="false">http://www.breastpathologyconsults.com/blog/?p=359</guid>
		<description><![CDATA[I wanted to take some time to write about one of the most challenging areas in breast pathology and one that I receive countless questions about&#8211;distinguishing atypical ductal hyperplasia (ADH) from ductal carcinoma in situ (DCIS).  While this may seem like an academic issue that doctors argue about it has MAJOR clinical implications for [...]]]></description>
		<wfw:commentRss>http://www.pacificbreastpathology.com/blog/dr_lawtons_blog/adh-vs-dcis-2/feed/</wfw:commentRss>
		<slash:comments>8</slash:comments>
		</item>
		<item>
		<title>Triple Negative Breast Cancer</title>
		<link>http://www.pacificbreastpathology.com/blog/ask_the_pathologist/triple-negative-breast-cancer/</link>
		<comments>http://www.pacificbreastpathology.com/blog/ask_the_pathologist/triple-negative-breast-cancer/#comments</comments>
		<pubDate>Mon, 06 Oct 2008 18:42:41 +0000</pubDate>
		<dc:creator>drlawton</dc:creator>
				<category><![CDATA[Ask the Pathologist]]></category>
		<category><![CDATA[breast cancer]]></category>
		<category><![CDATA[estrogen receptor]]></category>
		<category><![CDATA[HER2]]></category>
		<category><![CDATA[invasive carcinoma]]></category>
		<category><![CDATA[triple negative]]></category>

		<guid isPermaLink="false">http://www.breastpathologyconsults.com/blog/?p=333</guid>
		<description><![CDATA[Question:  What does triple negative mean regarding breast cancer?  My doctor told me that all of the special studies the lab performed on my tumor were negative and that means it can be a more aggressive type of cancer.
Answer:  Triple negative means that the three main studies that pathologists perform on any invasive [...]]]></description>
		<wfw:commentRss>http://www.pacificbreastpathology.com/blog/ask_the_pathologist/triple-negative-breast-cancer/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Part II of the Tutorial on Breast Pathology is now online</title>
		<link>http://www.pacificbreastpathology.com/blog/dr_lawtons_blog/part-ii-of-the-tutorial-on-breast-pathology-is-now-online/</link>
		<comments>http://www.pacificbreastpathology.com/blog/dr_lawtons_blog/part-ii-of-the-tutorial-on-breast-pathology-is-now-online/#comments</comments>
		<pubDate>Sun, 28 Sep 2008 23:11:41 +0000</pubDate>
		<dc:creator>drlawton</dc:creator>
				<category><![CDATA[PBP Blog]]></category>
		<category><![CDATA[breast cancer]]></category>
		<category><![CDATA[breast cancer stage]]></category>
		<category><![CDATA[estrogen receptor]]></category>
		<category><![CDATA[HER2]]></category>
		<category><![CDATA[invasive carcinoma]]></category>

		<guid isPermaLink="false">http://www.breastpathologyconsults.com/blog/?p=260</guid>
		<description><![CDATA[I have uploaded the Tutorial on Breast Pathology, Part II which covers the basics of invasive carcinoma.  As with the other tutorials it is in pdf format.  Please feel free to comment or post suggestions for future articles. I hope you find this information useful.
© 2008-2010 Seattle Breast Pathology Consultants, LLC. All rights reserved.
]]></description>
		<wfw:commentRss>http://www.pacificbreastpathology.com/blog/dr_lawtons_blog/part-ii-of-the-tutorial-on-breast-pathology-is-now-online/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Estrogen receptor (ER)</title>
		<link>http://www.pacificbreastpathology.com/blog/ask_the_pathologist/estrogen-receptor-er/</link>
		<comments>http://www.pacificbreastpathology.com/blog/ask_the_pathologist/estrogen-receptor-er/#comments</comments>
		<pubDate>Tue, 23 Sep 2008 23:24:07 +0000</pubDate>
		<dc:creator>drlawton</dc:creator>
				<category><![CDATA[Ask the Pathologist]]></category>
		<category><![CDATA[breast cancer]]></category>
		<category><![CDATA[estrogen receptor]]></category>
		<category><![CDATA[invasive carcinoma]]></category>
		<category><![CDATA[invasive ductal carcinoma]]></category>

		<guid isPermaLink="false">http://www.breastpathologyconsults.com/blog/?p=179</guid>
		<description><![CDATA[Question: I am confused about my pathology report which says my cancer is invasive ductal carcinoma, estrogen receptor negative (less than 10% of cells) and progesterone negative (0% of cells).  Why does it say less than 10% for estrogen receptor is negative?  Doesn&#8217;t that mean some cells are positive? My doctor said since [...]]]></description>
		<wfw:commentRss>http://www.pacificbreastpathology.com/blog/ask_the_pathologist/estrogen-receptor-er/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
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