Table of ContentsDefinition / General | Terminology | Clinical Features | Case Reports | Clinical Images | Gross Images | Micro Images | Positive Stains | Negative Stains
Cite this page: Metaplastic carcinoma - spindle cell subtype. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/breastmalignantmetaplasticspindle.html. Accessed December 7th, 2016.
Definition / General
- Sarcomatoid morphology, plus either limited (< 5%) invasive carcinoma component or keratin positive sarcoma component (Am J Surg Pathol 2005;29:1456)
- Excludes low grade fibromatosis-like metaplastic tumors
- Note: some cases called spindle cell carcinoma in the literature have > 5% invasive carcinoma component
- Also called sarcomatoid carcinoma or spindle cell carcinoma