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Table 15 Mean measurements of trajectory to thalamus (mm)

From: The foramen ovale: a keyhole to the brain? Computer simulations of percutaneous FO punctures

 

THALAMUS

Access

Hartel

Side

Left

Right

Number

7

6

FO

Anterolateral

Indefinite

TL

142.0 (± 8.3)

142.3 (± 11.6)

ICl

53.8 (± 3.4)

53.9 (± 3.8)

ALPHA

50.7° (± 13.6°)

54.2° (± 14.0°)

BETA

32.3° (± 11.5°)

24.9° (± 14.2°)

Maxilla

11.4 (± 1.7)

8.8 (± 2.0)

Mandibula

1.8 (± 0.9)

3.5 (± 3.0)

Pterygoid

7.1 (± 2.3)

4.0 (± 2.1)

Petrosus

26.0 (± 5.9)

21.6 (± 5.8)

A. maxilaris

9.2 (± 2.1)

10.2 (± 8.4)

A. carotis

8.4 (± 1.6)

7.8 (± 2.8)

A.cer.med

9.2 (± 6.9)

12.1 (± 7.5)

  1. FO = position of trajectory in foramen ovale, TL = total length of trajectory, ICL = intra cranial length, SAGITTAL = height angle, CORONAR = coronar angle, A.cer.med = cerebri med