Rare Multisystem Histiocytic Sarcoma on 18F-FDG PET/CT

Matthew Harwood, Fiona E. Craig, Ming Yang

Research output: Contribution to journalArticlepeer-review


Histiocytic sarcoma (HS) is a rare malignancy with morphologic and immunophenotypic features indicating histiocytic differentiation. We present a case of HS with multisystem involvement, including an obstructing mass in the pancreatic head. 18F-FDG PET/CT is a valuable tool in staging this rare entity and in assessing the response to therapy. Knowing the diverse metastatic pattern of HS will help avoid imaging pitfalls on clinical 18F-FDG PET/CT scans.

Original languageEnglish (US)
Pages (from-to)358-359
Number of pages2
JournalJournal of nuclear medicine technology
Issue number4
StatePublished - Dec 1 2021


  • FDG
  • PET/CT
  • histiocytic sarcoma
  • pancreas

ASJC Scopus subject areas

  • General Medicine


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