Alveolar soft-part sarcoma: Case demonstrating principles for uncommon vascular lesions.

Background: Alveolar soft-part sarcoma (ASPS) is an uncommon malignancy that may present in a manner similar to benign vascular tumors.

Methods: A 6-year-old boy with autism spectrum disorder was referred to the Johns Hopkins All Children's Hospital vascular anomalies clinic for the evaluation of a tongue mass.

Results: Prior to the presentation, at 5 years of age, neck computed tomography (CT) was performed.