The shape of one brain artery can hint at hidden small branches
Original title: M1 segment morphology is associated with far lateral lenticulostriate arteries in middle cerebral artery bifurcation surgery: a cadaveric and clinical anatomic study.
How far along is this research?
- Lab cells
- Animals
- Review
- Tested in people
This was tested in people. That is the most reliable kind of research we share.
This was an anatomy study in donated bodies and a few surgeries, not a treatment.
The short version
The shape of a main brain artery may show surgeons where small, easy to harm branches hide.
What was studied. Researchers looked at 42 brain halves from donated bodies. They also looked at 14 real surgery cases, and checked the length and shape of one main artery called the M1.
What they found. The small branches that sit in a risky spot were found in 23 cases (54.8%). They were more common when the M1 was short, under 11.5 mm (39.1% versus 5.3%). They were also more common when the M1 pointed up or ran straight down. In 30% of the surgery cases, the scan done before surgery did not show these branches at all.
What this means, and what it doesn't
What it could mean: Scans before surgery do not always show these tiny branches. The shape of the M1 may help a surgeon expect them and avoid them. Over time, that could make some brain artery and tumor surgery safer.
What it doesn't mean: This is not a new treatment or drug. It is early anatomy work in donated bodies plus a small group of surgeries. It does not change the care you can get today, and it is not a promise of a cure. Careful work by the surgeon during the operation is still needed.
Source: PubMed, October 8, 2026 · Read the original
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