TABLE 1:
Clinical summary of patients
| Patient/Age (y)/Sex | Cognard Classification | Affected Sinus | Symptom |
Treatment* | |
|---|---|---|---|---|---|
| Description | Due to Venous Hypertension? | ||||
| 1/75/M | I | R sigmoid | Tinnitus | No | TAE |
| 2/54/M | I | Superior sagittal sinus | Bulging scalp vessels | No | TAE |
| 3/78/F | I | Superior sagittal sinus | Aneurysm-like STA dilatation | No | None |
| 4/54/F | I | L cavernous | None | NA | None |
| 5/58/M | I | R cavernous | Chemosis, diplopia | No | None |
| 6/73/M | I | L cavernous | Diplopia | No | None |
| 7/75/F | I | L cavernous | Chemosis | No | TVE |
| 8/62/M | IIa | L sigmoid | Tinnitus | No | TAE, TVE |
| 9/75/M | IIa | R transverse sigmoid | None | NA | None |
| 10/33/M | IIb | L transverse sigmoid | Headache, tinnitus | Yes | TAE, TVE |
| 11/66/F | IIb | L cavernous | Diplopia, disorientation | Yes | TVE |
| 12/85/F | IIb | L cavernous | Chemosis, diplopia | No | TAE |
| 13/33/F | IIa+b | R transverse sigmoid | Headache, visual disturbance | Yes | TAE |
| 14/54/F | IIa+b | L transverse sigmoid | Dementia | Yes | TAE,TVE |
| 15/55/M | III | L transverse sigmoid | Hemorrhage, vertigo, convulsion | Yes | TAE, TVE |
| 16/63/M | III | R transverse sigmoid | Hemorrhage | Yes | TAE |
| 17/67/M | III | R transverse confluence | L lower quadrant homonymous anopsia | Yes | TAE, TVE |
| 18/72/F | III | L transverse confluence | Dementia | Yes | TVE |
| 19/78/F | III | L transverse | Convulsion, disturbed consciousness | Yes | TAE |
| 20/67/M | IV | L anterior fossa | Convulsion | Yes | Surgery |
| 21/74/M | IV | R anterior fossa | None | NA | Surgery |
Note.—NA = Not applicable, STA = superficial temporal artery, TAE = transarterial embolization, TAV = transvenous embolization.
*
All patients improved except for patients 3 and 12, whose condition was unchanged.