Table of ContentsDefinition / general | Terminology | Clinical features | Case reports | Clinical images | Gross images | Microscopic (histologic) images | Positive stains | Negative stains
Cite this page: Roychowdhury M Metaplastic carcinoma - spindle cell subtype. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/breastmalignantmetaplasticspindle.html. Accessed May 24th, 2019.
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
Microscopic (histologic) images