Key result
FDG PET/CT demonstrated heterogeneous intense incorporation within a pelvic mass and variable incorporation in lung nodules, aiding in the staging and biopsy of alveolar soft part sarcoma.
Case Report (n=1)
FDG PET/CT can help confirm the anatomic origin, direct biopsy, and assess disease distribution in alveolar soft part sarcoma.
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FDG PET/CT may aid staging in alveolar soft part sarcoma; leaves open prospective validation before routine adoption.
Alveolar soft part sarcoma (ASPS) is a very rare, but distinctive type of soft tissue sarcoma, whose name is derived from the pseudoalveolar appearance of its histology. In this report, the FDG PET/CT findings of ASPS are described in a 17-year-old asthmatic female who presented with worsening respiratory symptoms and a pelvic mass. The staging PET showed heterogeneous intense incorporation of FDG within the mass and variable FDG incorporation within the multiple lung nodules. In concordance with other soft tissue sarcomas, PET/CT helped to confirm the anatomic origin of the ASPS, to direct its biopsy, and to assess the distribution of disease.
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Montgomery et al. (2010) conducted a case report in Alveolar soft part sarcoma (n=1). FDG PET/CT was evaluated. FDG PET/CT demonstrated heterogeneous intense incorporation within a pelvic mass and variable incorporation in lung nodules, aiding in the staging and biopsy of alveolar soft part sarcoma.
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