Table 2. Imaging characteristics of the 12 patients with Xp11.2/TFE RCCs.

No.	Shape/Edge	Location	Hemo/Necrosis/Ca	CT (Enhanced degree/pattern)			MR Signal Intensity
				PS	CMP	NP	T1WI	T2WI	Enhancement (Degree/Patterns)
1	Irreg./WD	Medullary	−/+(P)/+(P)	-	-	-	Iso-	sHypo	Mild Hetero
2	Irreg./ID	Medullary	−/−/−	-	-	-	sHyper	Hyper	Moderate Hetero
3	Oval/WD	Medullary cortical	+/+/+(P)	-	-	-	Hetero	Hetero	Marked (rim) Hetero
4	Irreg./WD	Medullary cortical	+/+/−	-	-	-	Hetero	Hetero	Moderate Hetero
5	Irreg./WD	Exophytic	+/+/+(P)	-	-	-	Hetero	Hetero	Moderate Hetero
6	Irreg./ID	Medullary cortical	+/+/+(P)	-	-	-	Hetero	Hetero	Markedly (rim) Hetero
7	Irreg./ID	Medullary cortical	+(P)/+/+	-	-	Mild Hetero	Hetero	Hetero	Moderate Hetero
8	Irreg./ID	Medullary	+(P)/+/+(P)	Iso-	Marked Hetero	Marked Hetero	sHyper	sHyper	Moderate Hetero
9	Irreg./WD	Renal pelvis	+(P)/+/+	Iso- Hetero	-	-	sHyper	Hetero	Moderate Hetero
10	Irreg./WD	Medullary cortical	+(P)/+(P)/−	sHyper	Moderate sHetero	Moderate Hetero	-	-	-
11	Oval/WD	Exophytic	+(P)/+(P)/−	Iso-	Mild sHetero	Mild sHetero	-	-	-
12	Oval/ID	Medullary cortical	−/+/+	Hetero	Mild Hetero	Mild Hetero	-	-	-

Note: Irreg., irregular; WD, well-defined; ID, ill-defined; Hemo-, Hemorrhage; Ca, Calcification; P, Pathology; Iso-, isointensity; Hypo-, hypo-intensity; Hyper-, hyper-intensity; Hetero-, heterogeneous; s, slightly; PS, plain (non-contrast) scan; CMP, corticomedullary phase; NP, Nephrographic phase.