CT, MRI, and FDG PET/CT in a Patient With Alveolar Soft Part Sarcoma

ABSTRACTAlveolar soft part sarcoma (ASPS) is a rare malignant soft tissue tumor. We present a case, who had a history of a left pulmonary ASPS resection 5 years ago, with a tumor in the left lower extremity showing high vascularity mimicking hemangioma on enhanced CT and MRI. This tumor showed inten...

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Bibliographic Details
Published in:Clinical nuclear medicine 2014-03, Vol.39 (3), p.265-267
Main Authors: Dong, Aisheng, Wang, Yang, Cheng, Chao, Zuo, Changjing
Format: Article
Language:English
Subjects:
Adult
Fluorodeoxyglucose F18
Humans
Magnetic Resonance Imaging
Male
Multimodal Imaging
Positron-Emission Tomography
Sarcoma, Alveolar Soft Part - diagnostic imaging
Tomography, X-Ray Computed
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Summary:ABSTRACTAlveolar soft part sarcoma (ASPS) is a rare malignant soft tissue tumor. We present a case, who had a history of a left pulmonary ASPS resection 5 years ago, with a tumor in the left lower extremity showing high vascularity mimicking hemangioma on enhanced CT and MRI. This tumor showed intense FDG uptake on FDG PET/CT with SUVmax of 6.8, indicating a malignant soft tissue tumor. Complete resection of the tumor was performed. A diagnosis of ASPS was confirmed by pathology. This case highlights FDG PET/CT is helpful for differentiating ASPS from hemangioma according the degree of FDG uptake.
ISSN:0363-9762
1536-0229
DOI:10.1097/RLU.0b013e3182817b09