Value of Transvaginal Two-Dimensional Contrast-Enhanced Ultrasonography in Diagnosing Atypical Ovarian Corpus Luteum Hematoma

Table 10

2D-CEUS scoring system for the diagnosis of AT-OCLH.

Score; (point)	Perfusion; characteristics	Perfusion; pattern	Perfusion; intensity	Nourishing; vessels	(s)	Cystic wall; thickness (mm)
1	Solid	Type I	Grade 1	without	≥20	NO
	perfusion
2	/	Type II	Grade 2	/	17–19	≤3
3	/	Type III	Grade 3	/	15–16	3.1–3.9
4	Annular	Type IV	/	with	≤14	≥4
	perfusion

Note.AT: arrival time of contrast agent in the lesions; see Table 1 for perfusion pattern classification; see Table 2 for perfusion intensity classification.