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Updated: Jun 19, 2026

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Published on: January 22, 2018
Mast Cell Sarcoma Mimicking Lymphoma or Metastatic Disease on 18 F-FDG PET/CT
Florian Rosar1, Samer Ezziddin1, Jörg Thomas Bittenbring2
1From the Departments of Nuclear Medicine.
Abstract:
We report an 18 F-FDG PET/CT scan of a 47-year-old man diagnosed with diffuse mast cell sarcoma with lymph node, bone, liver, spleen, and lung involvement. This interesting image should remind colleagues to consider mast cell sarcoma as a rare differential diagnosis in patients with multiple, intensely hypermetabolic lesions in various organs and lymph nodes.
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