Difference between revisions of "Squamous metaplasia of lactiferous ducts"

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#redirect [[Breast_pathology#Squamous_metaplasia_of_lactiferous_ducts]]
'''Squamous metaplasia of lactiferous ducts''', abbreviated '''SMOLD''', is an uncommon benign change is in the [[breast]] typically seen in post-menuopausal women.
 
==General==
*Uncommon.<ref name=pmid22964367>{{Cite journal  | last1 = Lo | first1 = G. | last2 = Dessauvagie | first2 = B. | last3 = Sterrett | first3 = G. | last4 = Bourke | first4 = AG. | title = Squamous metaplasia of lactiferous ducts (SMOLD). | journal = Clin Radiol | volume = 67 | issue = 11 | pages = e42-6 | month = Nov | year = 2012 | doi = 10.1016/j.crad.2012.07.011 | PMID = 22964367 }}</ref>
*Associated with [[smoking]].<ref name=pmid22964367/>
*Post-menopausal women.
*May be associated with subareolar abscess.
 
==Gross==
*+/-Nipple inversion.<ref name=pmid887978/>
 
==Microscopic==
Features:
*Squamous epithelium - replaces (bilayered) lactiferous ducts - '''key feature'''.<ref name=pmid887978>{{Cite journal  | last1 = Powell | first1 = BC. | last2 = Maull | first2 = KI. | last3 = Sachatello | first3 = CR. | title = Recurrent subareolar abscess of the breast and squamous metaplasia of the lactiferous ducts: a clinical syndrome. | journal = South Med J | volume = 70 | issue = 8 | pages = 935-7 | month = Aug | year = 1977 | doi =  | PMID = 887978 }}</ref>
*Xanthomatous reaction.
 
===Images===
<gallery>
Image:Squamous_metaplasia_of_the_lactiferous_ducts_-_very_low_mag.jpg | SMOLD - very low mag. (WC/Nephron)
Image:Squamous_metaplasia_of_the_lactiferous_ducts_-_low_mag.jpg | SMOLD - low mag. (WC/Nephron)
</gallery>
 
==See also==
*[[Breast pathology]].
 
==References==
{{Reflist|2}}


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

Latest revision as of 04:12, 15 February 2014

Squamous metaplasia of lactiferous ducts, abbreviated SMOLD, is an uncommon benign change is in the breast typically seen in post-menuopausal women.

General

  • Uncommon.[1]
  • Associated with smoking.[1]
  • Post-menopausal women.
  • May be associated with subareolar abscess.

Gross

  • +/-Nipple inversion.[2]

Microscopic

Features:

  • Squamous epithelium - replaces (bilayered) lactiferous ducts - key feature.[2]
  • Xanthomatous reaction.

Images

  • SMOLD - very low mag. (WC/Nephron)

  • SMOLD - low mag. (WC/Nephron)

See also

References

  1. ↑ 1.0 1.1 Lo, G.; Dessauvagie, B.; Sterrett, G.; Bourke, AG. (Nov 2012). "Squamous metaplasia of lactiferous ducts (SMOLD).". Clin Radiol 67 (11): e42-6. doi:10.1016/j.crad.2012.07.011. PMID 22964367.
  2. ↑ 2.0 2.1 Powell, BC.; Maull, KI.; Sachatello, CR. (Aug 1977). "Recurrent subareolar abscess of the breast and squamous metaplasia of the lactiferous ducts: a clinical syndrome.". South Med J 70 (8): 935-7. PMID 887978.
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