Table 2:

Summary of MR imaging features of spinal epidural hemangiomas—low signal rim, dural tail sign, and mass effect

Case No.	MR Type	Contour	Low Signal Rim on T1WI	Low Signal Rim on T2WI	Low Signal Rim on CE	Dural Tail Sign	Cord Comp	NF Widen	Vertebral Body
1	A	Smooth	Yes	Yes	NA	NA	No	No	Intact
2	B	Lobular	No	Yes	No	No	No	No	Intact
3	A	Lobular	Yes	Yes	Yes	No	No	No	Intact
4	C	Smooth	Yes	Yes	No	Yes	No	No	Intact
5	C	Lobular	No	No	No	No	No	Yes	Intact
6	C	Lobular	No	No	No	Yes	Yes	Yes	Intact
7	C	Lobular	Yes	Yes	No	Yes	Yes	Yes	Erosion
8	D	Ill-defined	No	No	No	Yes	Yes	Yes	Intact
9	C	Smooth	Yes	Yes	Yes	No	Yes	No	Intact
10	D	Ill-defined	No	No	No	No	Yes	No	Intact
11	C	Lobular	No	Yes	Yes	No	Yes	Yes	Erosion
12	B	Lobular	No	Yes	No	No	No	No	Intact
13	B	Smooth	No	No	No	No	No	No	Intact
14	C	Lobular	Yes	Yes	No	No	Yes	Yes	Erosion

Note:—T1WI indicates T1-weighted MR image; T2WI, T2-weighted MR image; CE, contrast-enhanced MR image; Cord comp, cord compression; NF widen, neural foraminal widening; Vertebral body, involvement of vertebral body.