Table 2:

Characteristics of 24 patients with CCAD on multisequence MR imaging

Patient No.Sex/Age (yr)LocationLength (mm)Category of StenosisaPresence or Absence
IMHPseudo-aneurysmIntimal Flaps and Double Lumen
1M/65BA16.7Moderate+
2M/24MCA8.1Occlusion+
3M/14MCA6.0Mild+
4M/53ICA (C1)35.8No stenosis++
5M/20BA12.7No stenosis+
6M/40ICA (C1)70.2Occlusion+
7M/62BA and VA44.1Occlusion+
8M/59BA22.2No stenosis+
9M/36MCA10.7No stenosis+
10F/18CCA23.3Occlusion+
11M/34VA10.1Moderate
12F/38ICA (C1)42.4Severe+
13F/66CCA44.8No stenosis+
14M/43VA7.5Occlusion+
15M/62ICA (C1)40Severe+
16M/68CCA37.1Occlusion+
17M/42VA24.8Occlusion+
18M/35ICA (C1)63.4Occlusion+
19M/51BA and VA50.8Mild+
20M/69ICA (C1)57Occlusion+
21M/56ICA (C1)66.4Severe+
22M/40ICA (C1)13.6Occlusion+
23M/41VA42.7Occlusion+
24M/43BA11.6Moderate++
  • Note:—BA indicates basilar artery; VA, vertebral artery; CCA, common carotid artery; +, positive; –, negative.

  • a Mild stenosis, 1%–49%; moderate stenosis, 50%–69%; severe stenosis, 70%–99%; occlusion, 100%.