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Squamous metaplasia of lactiferous ducts (view source)
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'''Squamous metaplasia of lactiferous ducts''', abbreviated '''SMOLD''', is a benign change is in the breast. | |||
==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]] | |||