Q729Back to all 83 casesResearch use only

Complete cohort - Case 65 of 83

Case 80

Top-1 matches at least one expert referenceClearer model preference (margin >= 0.20)Unanimous expert reference (4/4)

Assigned out-of-fold recommendation

Stent-assisted coil embolization

Alternative: Coil embolization alone

Top-1 class score46.1%
Top-2 class score21.4%
Scores rank model classes; they are not calibrated probabilities of clinical correctness.
View A - APOpen full size
De-identified DSA image, case 80, AP view
View B - LateralOpen full size
De-identified DSA image, case 80, lateral view

View A is AP; View B is lateral, as confirmed by the data provider.

Case summary

A 58-year-old female presents with an unruptured 8.9 x 5.3 mm wide-necked anterior communicating artery aneurysm.

Image observation

On the supplied views, a saccular outpouching appears at the anterior communicating artery junction, with the parent vessel demonstrating a tortuous course.

Model-generated clinical rationale

The documented wide-necked morphology of the aneurysm provides the primary anatomical justification for the assigned stent-assisted coil embolization technique. However, the recommendation is limited by the lack of specific details regarding the aneurysm's orientation relative to the parent vessel or the presence of critical branch vessels that might necessitate stent support.

Model uncertainty

The OOF score distribution was diffuse: Stent-assisted coil embolization ranked first, but Coil embolization alone remained a material alternative.

Clinical uncertainty / missing factor

The most significant missing decision factor is the precise aneurysm neck-to-dome ratio and the specific relationship of the neck to the anterior communicating artery branches.

Explicit evidence used

8.9 x 5.3mm wide-necked anterior communicating artery aneurysm | Unruptured anterior communicating artery aneurysm