Clinical and angiographic data for patients with dissecting posterior inferior cerebellar artery aneurysms
| Patient No./Age (y)/Sex | Side | Site | Size (mm) | Complications | Signs and Symptoms | CT and MR Findings | Outcome (Follow-up) | |
|---|---|---|---|---|---|---|---|---|
| 1/48/F | R | Lateral medullary | 2.5 × 3 | None | Neck pain, headache, vomiting | SAH and IVH | Excellent (30 mo) | |
| 2/70/M | L | Lateral medullary | 4 × 3 | None | Neck pain, headache, loss of consciousness | SAH and IVH, hydrocephalus | Moderate disability, cognitive problems | |
| 3/46/F | R | Vermian | 3 × 10 | None | Neck pain, headache, loss of consciousness | SAH and IVH, mild hydrocephalus | Excellent (18 mo) | |
| 4/33/M | L | Hemispheric branch | 10 × 20 (partially thrombosed) | None | Headache, transient dizziness | Vascular mass | Excellent (12 mo) | |
| 5/53/F | R | Vermian | 6 × 5 | None | Headache, mild cerebellar signs | SAH and ICH | Excellent (6 mo) | |
| 6/45/F | R | Vermian | 3 × 5 | None | Headache, vomiting, mild cerebellar signs | SAH and ICH | Excellent (6 mo) | |
| Additional studies | ||||||||
| 45/F | L | Lateral medullary | N/A | Mild left-sided dysmetria | Neck pain, headache, loss of consciousness | SAH and IVH | Excellent (N/A) | Lefkowitz et al10 |
| 34/F | L | Not reported | 15 × 7 | Sight hemisensory symptoms | Headache, loss of consciousness | SAH and IVH | Excellent (6 mo) | Tikkakoski et al15 |
| 63/M | R | Not reported | N/A | None | Not reported | SAH, hydrocephalus | Excellent (17 mo) | Yamaura et al16 |
| 28/M | L | Vermian | N/A | None | Headache, left hemifacial | Normal | Excellent (6 mo) | Dinichert et al5 |
Note:—SAH indicates subarachnoid hemorrhage; IVH, intraventricular hemorrhage.