"As an indicator of AAA complicated by intramural haematoma, contained or uncontained rupture; the high-attenuating crescent sign has been shown to be 77% sensitive, 93% specific, and has a positive predictive value of 53% 1."
"As an indicator of AAA complicated by intramural haematoma, contained or uncontained rupture; the high-attenuating crescent sign has been shown to be 77% sensitive, 93% specific, and has a positive predictive value of 53% 1."