This is the first reported case of alveolar soft part sarcoma presenting as a hypervascular adrenal metastasis.
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Hypervascular adrenal lesions warrant ASPS consideration in differentials; extends known metastatic sites of this sarcoma and leaves open need for additional reports.
Hypervascular adrenal masses include pheochromocytoma, metastases caused by clear renal cell carcinoma/hepatocellular carcinoma. Alveolar soft part sarcoma (ASPS) causing hypervascular metastases is not described in the literature. Here, we describe the first case of ASPS presenting as hypervascular metastasis. Our case was a 23-year-old male incidentally detected right adrenal mass during the evaluation of pain in the abdomen. On computed tomography (CT), adrenal mass showed bright enhancement in early arterial phase (unenhanced Hounsfield unit [HU]-45.3; arterial phase HU-158.2). 18- flurodeoxyglucose positron emission tomography/CT showed multiple lesions and was confirmed histologically to be due to ASPS.
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Goroshi et al. (2018) studied this question.
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