Key result
18F-FDG PET/CT imaging revealed a rare primary cardiac chondrosarcoma and concurrent pulmonary inflammation that had been misdiagnosed as cardiac malignancy with pulmonary metastasis.
Why the study?
Primary cardiac chondrosarcoma invading the right pulmonary vein is very rare, whereas secondary cardiac chondrosarcoma is relatively common.
This case highlights the 18F-FDG PET/CT imaging characteristics of a rare primary cardiac chondrosarcoma and the potential for misdiagnosis with pulmonary inflammation.
PET/CT misinterpretation of inflammation as metastasis warrants biopsy caution in rare cardiac tumors; leaves open standardized imaging criteria for chondrosarcoma.
Primary cardiac chondrosarcoma invading the right pulmonary vein is very rare, whereas secondary cardiac chondrosarcoma is relatively common. We reported the 18 F-FDG PET/CT findings of primary cardiac chondrosarcoma and pulmonary inflammation misdiagnosed as cardiac malignancy and pulmonary metastasis in a 27-year-old man.
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Liu et al. (2023) studied this question. 18F-FDG PET/CT imaging revealed a rare primary cardiac chondrosarcoma and concurrent pulmonary inflammation that had been misdiagnosed as cardiac malignancy with pulmonary metastasis.
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