While IPEH is considered a reactive (non-neoplastic) process, its presentation as a long-standing condition with a relatively high recurrence rate, its appearance in pre-existing vascular tumors, and its GLUT1 negativity and WT1 positivity have led some authors to consider it a true benign neoplasm, possibly beginning as a reactive proliferative process [7]. Here, SLC2A1 is linked to vascular neoplasm.