Difference between revisions of "Lymphocytic mastitis"

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#redirect [[Breast_pathology#Lymphocytic_mastitis]]
'''Lymphocytic mastitis''' is a rare pathology of the [[breast]].
 
==General==
*If the individual has [[diabetes mellitus]] (DM) it is called ''diabetic mastopathy''.<ref name=pmid12640102>{{Cite journal  | last1 = Valdez | first1 = R. | last2 = Thorson | first2 = J. | last3 = Finn | first3 = WG. | last4 = Schnitzer | first4 = B. | last5 = Kleer | first5 = CG. | title = Lymphocytic mastitis and diabetic mastopathy: a molecular, immunophenotypic, and clinicopathologic evaluation of 11 cases. | journal = Mod Pathol | volume = 16 | issue = 3 | pages = 223-8 | month = Mar | year = 2003 | doi = 10.1097/01.MP.0000056627.21128.74 | PMID = 12640102 }}</ref>
*Rare.
 
==Microscopic==
Features:<ref>URL: [http://www.breastpathology.info/Case_of_the_month/2007/COTM_0707%20discussion.html http://www.breastpathology.info/Case_of_the_month/2007/COTM_0707%20discussion.html]. Accessed on: 28 November 2010.</ref>
* Lymphocytic infiltrates - '''key feature''':
** Lobules.
** Perivascular.
* Enlarged stromal fibroblasts.
* Stromal collagen with keloid-like changes.
 
DDx:
*Diabetic mastopathy - if individual has diabetes.
*Primary [[lymphoma]] of the breast.
 
===Images===
www:
*[http://www.webpathology.com/image.asp?n=1&Case=655 Lymphocytic mastitis - low mag. (webpathology.com)].
*[http://www.webpathology.com/image.asp?case=655&n=2 Lymphocytic mastitis - high mag. (webpathology.com)].
 
==IHC==
*B cell predominant (CD20 > CD3).<ref name=pmid12640102/>
**B cells CD43 -ve.
 
==Molecular==
*Negative clonality studies.
 
==See also==
*[[Breast pathology]].
 
==References==
{{Reflist|2}}


[[Category:Diagnosis]]
[[Category:Diagnosis]]
[[Category:Breast pathology]]

Revision as of 04:41, 16 February 2014

Lymphocytic mastitis is a rare pathology of the breast.

General

Microscopic

Features:[2]

  • Lymphocytic infiltrates - key feature:
    • Lobules.
    • Perivascular.
  • Enlarged stromal fibroblasts.
  • Stromal collagen with keloid-like changes.

DDx:

  • Diabetic mastopathy - if individual has diabetes.
  • Primary lymphoma of the breast.

Images

www:

IHC

  • B cell predominant (CD20 > CD3).[1]
    • B cells CD43 -ve.

Molecular

  • Negative clonality studies.

See also

References

  1. 1.0 1.1 Valdez, R.; Thorson, J.; Finn, WG.; Schnitzer, B.; Kleer, CG. (Mar 2003). "Lymphocytic mastitis and diabetic mastopathy: a molecular, immunophenotypic, and clinicopathologic evaluation of 11 cases.". Mod Pathol 16 (3): 223-8. doi:10.1097/01.MP.0000056627.21128.74. PMID 12640102.
  2. URL: http://www.breastpathology.info/Case_of_the_month/2007/COTM_0707%20discussion.html. Accessed on: 28 November 2010.