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Retrospective Study
Copyright: ©Author(s) 2026.
World J Clin Pediatr. Sep 9, 2026; 15(3): 119506
Published online Sep 9, 2026. doi: 10.5409/wjcp.119506
Figure 2
Figure 2 Magnetic resonance imaging of a patient with composite hemangioendothelioma before and after sirolimus therapy. A: Baseline post-contrast T1-weighted image with fat suppression in the coronal view demonstrating a large heterogeneous mass with areas of necrosis involving the nasal cavity, sphenoid sinuses, and ethmoid sinuses (arrows); B: Follow-up magnetic resonance imaging obtained after 6 months of sirolimus therapy showing a marked reduction in tumor size (arrows).


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