Fig. 4
From: Vascular lesions of the head and neck: an update on classification and imaging review
Kaposiform hemangioendothelioma. A 2-week-old premature male with large left neck mass. a Axial T2 image demonstrates an infiltrative, transpatial left facial heterogeneous mass that is predominantly mildly T2 hyperintense (arrow), and has multiple fluid-fluid levels (arrowheads). b Axial post-contrast fat-suppressed image demonstrates heterogeneous enhancement