Key result
FDG PET-CT reveals a noncarcinomatous pattern in a lung mass later proven as sarcomatous malignancy.
Case Report (n=1)
FDG PET-CT with contrast-enhanced CT can help raise suspicion for rare sarcomatous lung malignancies such as primary pleuropulmonary synovial sarcoma.
May suggest sarcomatous lung tumors on FDG PET-CT; single case leaves diagnostic role open for validation.
Primary pleuropulmonary synovial sarcoma, a mesenchymal tumor of lung and pleura, is very rare and highly aggressive condition among the primary lung malignancies. As role of fluorodeoxyglucose positron emission tomography-computed tomography (FDG PET-CT) has been established in lung malignancies in terms of staging, restaging, biopsy guidance, and treatment response evaluation, there is also role of FDG PET-contrast-enhanced CT (CECT) to raise suspicion or increase confidence in reporting of sarcomatous lung malignancy by studying characteristics of CECT scan features. We present a case of a 57-year-old female patient having large lung mass, who underwent FDG PET-CT scan and findings raised strong suspicious of noncarcinomatous pattern of lung mass and may have sarcomatous primary lung malignancy which was later proven on histopathological and immunohistochemistry report.
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Shah et al. (2017) conducted a case report in Primary pleuropulmonary synovial sarcoma (n=1). FDG PET-CT scan was evaluated on Diagnosis of sarcomatous primary lung malignancy. FDG PET-CT scan findings raised strong suspicion of a noncarcinomatous pattern in a 57-year-old female with a large lung mass, later proven to be a sarcomatous primary lung malignancy.
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