Article Figures & Data
Figures
- Fig 1.
Anteroposterior view of cavernous sinography in case 5, demonstrating that the main drainage route was the IPS bilaterally.
- Fig 2.
Lateral view of right cavernous sinography in case 1, showing that the pterygoid plexus was developed to the same extent as the IPS. Note that the opacification of the pterygoid plexus is more than the one of the IPS, but this may be due to the rate and the force of injection of contrast material.
- Fig 3.
Anteroposterior view of right cavernous sinography in case 4, showing the tip of the microcatheter (arrow) in the CS (right) and that the main drainage route is via the pterygoid plexus (left). Note that the microcatheter is introduced through the IPS into the CS and that contrast material moves from the CS into the pterygoid plexus.
Tables
Case No. Age, y, Sex Side Drainage Route Central/Peripheral Ratio of ACTH Level Ant. Mid. Post. IPS 1 58, F rt PP, IPS 1.0 1.4 1.3 1.0 lt IPS 4.9 1.5 12.6 7.0 2 63, F rt IPS 1.0 1.0 1.0 1.0 lt IPS 1.0 1.0 1.0 0.9 3 45, F rt PP, IPS 8.4 8.4 11.8 0.8 lt PP, IPS 4.9 24.3 67.8 2.3 4 41, F rt PP 34.8 5.3 0.9 0.8 lt IPS 0.9 0.8 0.8 0.8 5 66, F rt IPS – – 2.1 4.6 lt IPS 1.3 1.3 1.6 2.5 Note:— IPS indicates inferior petrosal sinus; PP, pterygoid plexus; Ant., anterior; Mid., middle; Post, posterior; rt, right; lt, left; F, female; ACTH, adrenocorticotropic hormone.
- Table 2:
Intercavernous and interpetrosal gradients of ACTH levels in 4 patients with pituitary adenoma
Case No. Location of Adenoma Highest ACTH Level in Each CS, pg/mL Intercavernous Gradients ACTH Level in IPS, pg/mL Interpetrosal Gradients Rt Lt Rt Lt 1 lt 20 176 8.8 (lt) 15 98 6.5 (lt) 3 lt 6960 56100 8.1 (lt) 623 1880 3,0 (lt) 4 rt 2540 68 37.4 (rt) 61 55 1.1 (rt) 5 rt 270 209 1.3 (rt) 593 320 1.9 (rt) Note:—ACTH, adrenocorticotropic hormone; lt, left; rt, right; IPS, inferior petrosal sinus; CS, cavernous sinus.
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