Stromal / other tumors
Follicular dendritic cell sarcoma

Author: Elliot Weisenberg, M.D. (see Authors page)

Revised: 16 December 2016, last major update July 2012

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

PubMed Search: follicular dendritic cell sarcoma stomach
Cite this page: Follicular dendritic cell sarcoma. website. Accessed October 18th, 2018.
Definition / general
  • Extremely rare
  • Behaves like an intermediate grade soft tissue sarcoma
Case reports
Microscopic (histologic) description
  • Fascicular or storiform patterns of spindle and epithelioid tumor with individually scattered and perivascular aggregates of lymphocytes
  • Cells have indistinct cell borders / syncytial appearance
Microscopic (histologic) images

Images hosted on other servers:

Various images

Positive stains
Negative stains
Electron microscopy images

Images hosted on other servers:

Long, slender, interweaving
cytoplasmic processes focally
connected by desmosomal cell junctions

Differential diagnosis
  • GIST: less eosinophilic cytoplasm, c-kit+, DOG1+
  • Leiomyosarcoma
  • Sarcomatoid carcinoma: usually fungating mass, keratin+, CD21-, CD23-, CD35-