653
edits
Difference between revisions of "Invasive breast cancer"
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→Microscopic
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**Epithelial entrapment in the encysting fibrous tissue should not be interpreted as invasion. | **Epithelial entrapment in the encysting fibrous tissue should not be interpreted as invasion. | ||
**Carcinoma must be seen in the breast tissue outside the encysting fibrous tissue. | **Carcinoma must be seen in the breast tissue outside the encysting fibrous tissue. | ||
**Infiltrating carcinoma is usually of the 'no special type' variety. | |||
*[[Adenoid cystic carcinoma of the breast]] | *[[Adenoid cystic carcinoma of the breast]] | ||
**The solid variant looks basaloid - solid adenoid cystic carcinoma or a 'basal-like' carcinoma should be considered in these cases. | **The solid variant looks basaloid - solid adenoid cystic carcinoma or a 'basal-like' carcinoma should be considered in these cases. | ||
Notes | Notes | ||
*Many potential pitfalls with papillary breast lesions on needle core biopsy. | |||
**Complete excision is recommended<ref>{{Cite journal | last1 = Rizzo | first1 = M. | last2 = Linebarger | first2 = J. | last3 = Lowe | first3 = MC. | last4 = Pan | first4 = L. | last5 = Gabram | first5 = SG. | last6 = Vasquez | first6 = L. | last7 = Cohen | first7 = MA. | last8 = Mosunjac | first8 = M. | title = Management of papillary breast lesions diagnosed on core-needle biopsy: clinical pathologic and radiologic analysis of 276 cases with surgical follow-up. | journal = J Am Coll Surg | volume = 214 | issue = 3 | pages = 280-7 | month = Mar | year = 2012 | doi = 10.1016/j.jamcollsurg.2011.12.005 | PMID = 22244207 }}</ref>. | |||
*Adequately and carefully sample the specimen to exclude an invasive component. | *Adequately and carefully sample the specimen to exclude an invasive component. | ||
*Report only the size of the invasive component (if present) to prevent over-estimation of tumor stage. | *Report only the size of the invasive component (if present) to prevent over-estimation of tumor stage. | ||