Difference between revisions of "Invasive breast cancer"

Line 328:

*Desmin -ve.

*EMA -ve. (???)

==Micropapillary carcinoma==

===General===

*Poor prognosis.

*LVI common.<ref name=pmid20304650>{{Cite journal | last1 = Yu | first1 = JI. | last2 = Choi | first2 = DH. | last3 = Park | first3 = W. | last4 = Huh | first4 = SJ. | last5 = Cho | first5 = EY. | last6 = Lim | first6 = YH. | last7 = Ahn | first7 = JS. | last8 = Yang | first8 = JH. | last9 = Nam | first9 = SJ. | title = Differences in prognostic factors and patterns of failure between invasive micropapillary carcinoma and invasive ductal carcinoma of the breast: matched case-control study. | journal = Breast | volume = 19 | issue = 3 | pages = 231-7 | month = Jun | year = 2010 | doi = 10.1016/j.breast.2010.01.020 | PMID = 20304650 }}</ref>

===Microscopic===

Features:

*Clear spaces/clefting around (small) nests of tumour - '''diffuse/through-out the tumour''' - '''key feature'''.

**Described as "small clusters of tumour lying within dilated vascular channel-like spaces".<ref name=pmid20444748>{{Cite journal | last1 = Yamaguchi | first1 = R. | last2 = Tanaka | first2 = M. | last3 = Kondo | first3 = K. | last4 = Yokoyama | first4 = T. | last5 = Kaneko | first5 = Y. | last6 = Yamaguchi | first6 = M. | last7 = Ogata | first7 = Y. | last8 = Nakashima | first8 = O. | last9 = Kage | first9 = M. | title = Characteristic morphology of invasive micropapillary carcinoma of the breast: an immunohistochemical analysis. | journal = Jpn J Clin Oncol | volume = 40 | issue = 8 | pages = 781-7 | month = Aug | year = 2010 | doi = 10.1093/jjco/hyq056 | PMID = 20444748 | URL = http://jjco.oxfordjournals.org/content/40/8/781.long }}</ref>

Note:

*Ductal carcinoma commonly has clefting... but it isn't diffuse.

===IHC===

*EMA +ve (periphery of nests); described as inside-out pattern.<ref name=pmid20444748>{{Cite journal | last1 = Yamaguchi | first1 = R. | last2 = Tanaka | first2 = M. | last3 = Kondo | first3 = K. | last4 = Yokoyama | first4 = T. | last5 = Kaneko | first5 = Y. | last6 = Yamaguchi | first6 = M. | last7 = Ogata | first7 = Y. | last8 = Nakashima | first8 = O. | last9 = Kage | first9 = M. | title = Characteristic morphology of invasive micropapillary carcinoma of the breast: an immunohistochemical analysis. | journal = Jpn J Clin Oncol | volume = 40 | issue = 8 | pages = 781-7 | month = Aug | year = 2010 | doi = 10.1093/jjco/hyq056 | PMID = 20444748 | URL = http://jjco.oxfordjournals.org/content/40/8/781.long }}</ref>

*E-cadherin +ve (centre of nests). (???)

*p63 +ve/-ve.

==Apocrine carcinoma==

Difference between revisions of "Invasive breast cancer"

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@@ Line 328: / Line 328: @@
 *Desmin -ve.
 *EMA -ve. (???)
+==Micropapillary carcinoma==
+===General===
+*Poor prognosis.
+*LVI common.<ref name=pmid20304650>{{Cite journal  | last1 = Yu | first1 = JI. | last2 = Choi | first2 = DH. | last3 = Park | first3 = W. | last4 = Huh | first4 = SJ. | last5 = Cho | first5 = EY. | last6 = Lim | first6 = YH. | last7 = Ahn | first7 = JS. | last8 = Yang | first8 = JH. | last9 = Nam | first9 = SJ. | title = Differences in prognostic factors and patterns of failure between invasive micropapillary carcinoma and invasive ductal carcinoma of the breast: matched case-control study. | journal = Breast | volume = 19 | issue = 3 | pages = 231-7 | month = Jun | year = 2010 | doi = 10.1016/j.breast.2010.01.020 | PMID = 20304650 }}</ref>
+===Microscopic===
+Features:
+*Clear spaces/clefting around (small) nests of tumour - '''diffuse/through-out the tumour''' - '''key feature'''.
+**Described as "small clusters of tumour lying within dilated vascular channel-like spaces".<ref name=pmid20444748>{{Cite journal  | last1 = Yamaguchi | first1 = R. | last2 = Tanaka | first2 = M. | last3 = Kondo | first3 = K. | last4 = Yokoyama | first4 = T. | last5 = Kaneko | first5 = Y. | last6 = Yamaguchi | first6 = M. | last7 = Ogata | first7 = Y. | last8 = Nakashima | first8 = O. | last9 = Kage | first9 = M. | title = Characteristic morphology of invasive micropapillary carcinoma of the breast: an immunohistochemical analysis. | journal = Jpn J Clin Oncol | volume = 40 | issue = 8 | pages = 781-7 | month = Aug | year = 2010 | doi = 10.1093/jjco/hyq056 | PMID = 20444748 | URL = http://jjco.oxfordjournals.org/content/40/8/781.long }}</ref>
+Note:
+*Ductal carcinoma commonly has clefting... but it isn't diffuse.
+===IHC===
+*EMA +ve (periphery of nests); described as inside-out pattern.<ref name=pmid20444748>{{Cite journal  | last1 = Yamaguchi | first1 = R. | last2 = Tanaka | first2 = M. | last3 = Kondo | first3 = K. | last4 = Yokoyama | first4 = T. | last5 = Kaneko | first5 = Y. | last6 = Yamaguchi | first6 = M. | last7 = Ogata | first7 = Y. | last8 = Nakashima | first8 = O. | last9 = Kage | first9 = M. | title = Characteristic morphology of invasive micropapillary carcinoma of the breast: an immunohistochemical analysis. | journal = Jpn J Clin Oncol | volume = 40 | issue = 8 | pages = 781-7 | month = Aug | year = 2010 | doi = 10.1093/jjco/hyq056 | PMID = 20444748 | URL = http://jjco.oxfordjournals.org/content/40/8/781.long }}</ref>
+*E-cadherin +ve (centre of nests). (???)
+*p63 +ve/-ve.
 ==Apocrine carcinoma==