Cytopathology Competency Assessment
Mesenchymal Tumors

Author: Gordon H. Yu, M.D. (see Authors page)

Revised: 13 May 2016, last major update September 2012

Copyright: (c) 2003-2016,, Inc.

Cite this page: Cytology/Competency Assessment - Mesenchymal Tumors. website. Accessed May 22nd, 2018.
Medical Knowledge, Practice Based Learning and Systems Based Practice
  1. Thymolipoma
    1. Recognize the typical radiologic appearance of thymolipoma, as well as its radiologic mimics
    2. Recognize the expected FNA findings, as well as other fat-containing lesions which may occur in this location
  2. Solitary Fibrous Tumors (SFT)
    1. Recognize solitary fibrous tumor as the most common mesenchymal tumor of the mediastinum
    2. Recognize the more aggressive clinical behavior of mediastinal SFT, as compared with other sites
    3. Become familiar with expected FNA findings of this tumor and the utility of immunohistochemical stains to confirm the diagnosis, provided an adequate cell block preparation is available
  3. Liposarcoma
    1. Recognize liposarcoma as the most common malignant mesenchymal tumor of the mediastinum
    2. Become familiar with the cytologic appearance of lipoblasts, necessary for the diagnosis of liposarcoma