ReviewsMalignant Spindle Cell Tumors of the Breast A Guide for the Practicing PathologistBode-Omoleye, Olaoluwa MD, MPH; Arora, Komal MD; Yeh, I-Tien MDAuthor Information From the Department of Pathology, University of Texas Health Science Center at San Antonio, San Antonio, TX. Reprints: I-Tien Yeh, MD, Department of Pathology, University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Dr, San Antonio, TX 78229. E-mail: email@example.com. The authors have no funding or conflicts to declare. AJSP: Review and Reports: January/February 2016 - Volume 21 - Issue 1 - p 16-23 doi: 10.1097/PCR.0000000000000124 Buy Metrics Abstract Spindle cell tumors of the breast are problematic when encountered by the practicing pathologist because they are relatively infrequent, especially those that are not accompanied by an epithelial component. This review offers an approach to the diagnosis of malignant spindle cell tumors with an emphasis on key features and the differential diagnosis. © 2016 Lippincott Williams & Wilkins, Inc.