Table 2.
Cerebrovascular diagnoses in patientsa presenting for evaluation of pulsatile tinnitus.
| Diagnoses by noninvasive imagingb (N=102) | Diagnoses by DSA (N=14) | |
|---|---|---|
| Arterial | ||
| Intracranial stenosis | 2 (2.0%) | 0 (0%) |
| Extracranial stenosis | 1 (1.0%) | 0 (0%) |
| Venous | ||
| Jugular bulb diverticulum | 11 (10.8%) | 1 (7.1%) |
| Large condylar veins | 0 (0%) | 1 (7.1%) |
| Prominent emissary vein | 2 (2.0%) | 3 (21.4%) |
| Venous sinus aneurysm | 6 (5.9%) | 1 (7.1%) |
| Venous sinus stenosis | 19 (18.6%) | 3 (21.4%) |
| Venous sinus stenosis and post-stenotic venous aneurysm/diverticulum | 52 (51.0%) | 3 (21.4%) |
| Arteriovenous | ||
| DAVF | 8 (7.8%) | 1 (7.1%) |
| AVM | 0 (0%) | 1 (7.1%) |
| Carotid cavernous fistula | 1 (1.0%) | 0 (0%) |
Data are presented as n (%).
aThe total denominator for this table is the 105 patients who received a cerebrovascular etiologic diagnosis for pulsatile tinnitus. Ninety-one patients received a diagnosis based on noninvasive imaging. Fourteen patients received a diagnosis based on DSA.
bPatients who had diagnostic noninvasive imaging but also underwent DSA were categorized as patients diagnosed on the basis of noninvasive imaging.
DAVF: dural arteriovenous fistula; AVM: arteriovenous malformation.