Abstract
We report the computed tomography (CT) and magnetic resonance imaging (MRI) features of a 10-year-old boy with low-grade fibromyxoid sarcoma (LGFMS) in the shoulder and correlate them with the clinicopathological features. LGFMS, a rare soft tissue sarcoma with bland histological features and paradoxically aggressive behavior, tends to occur in superficial regions and in children more than previously recognized. To date, few imaging studies have been reported, particularly in pediatric patients. In this case, precontrast CT showed a low- to isodensity mass and punctate calcification. On contrast-enhanced CT, heterogeneous enhancement was seen. MRI findings correlated well with the pathological features of the tumor. The myxoid area showed high signal intensity on T2-weighted MR images and heterogeneous enhancement after administration of contrast material; the hypercellular area demonstrated lower signal intensity on T2-weighted MR images and slight enhancement.
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Miyake, M., Tateishi, U., Maeda, T. et al. CT and MRI features of low-grade fibromyxoid sarcoma in the shoulder of a pediatric patient. Radiat Med 24, 511–514 (2006). https://doi.org/10.1007/s11604-006-0057-7
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DOI: https://doi.org/10.1007/s11604-006-0057-7