CT angiogram head axial - labeling questions

Case contributed by Craig Hacking

Diagnosis not applicable

Citation, DOI, disclosures and case data

Citation:

Hacking C, CT angiogram head axial - labeling questions. Case study, Radiopaedia.org (Accessed on 24 Apr 2024) https://doi.org/10.53347/rID-83622

DOI:

https://doi.org/10.53347/rID-83622

Permalink:

https://radiopaedia.org/cases/83622?iframe=true

rID:

83622

Disclosures:

At the time the case was submitted for publication Craig Hacking had no recorded disclosures.

View Craig Hacking's current disclosures

Case published:

24 Nov 2020

Revisions:

5 times, by 1 contributor - see full revision history and disclosures

Systems:

Vascular, Central Nervous System

Institution:

Royal Brisbane and Women's Hospital

Quiz mode:

Included

Normal CTA head

From the case: CT angiogram head axial - labeling questions

Annotated image

The labeled structures are:

right vertebral artery atlantic (V3) segment
left occipital artery
right PICA 2^nd segment
left vertebral artery atlantic (V3) segment
right vertebral artery intradural (V4) segment
left maxillary artery
right PICA 1st segment
left ICA cervical (C1) segment
right internal jugular vein
left middle meningeal artery
right ICA cervical (C1) segment
left internal jugular vein
right sigmoid sinus
left vertebral artery intradural (V4) segment
left PICA 2^nd segment
left ICA petrous (C2) segment
right ICA petrous (C2) segment
left AICA
right ICA laceral (C3) segment
left ICA laceral (C3) segment
intercavernous sinus
basilar artery
left sigmoid sinus
right ophthalmic artery
left ICA cavernous (C4) segment
right ICA cavernous (C4) segment
left ophthalmic artery
left ICA clinoid (C5) segment
right ICA clinoid (C5) segment
right SCA 2^nd segment
left transverse sinus
left ICA supraclinoid (C6) segment
right ICA supraclinoid (C6) segment
(large fetal) left PCom artery
left SCA 2^nd segment
right transverse sinus
right anterior temporal artery
right ICA terminal (C7) segment
left ICA terminal (C7) segment
left MCA M1 segment
right MCA M1 segment
left SCA 1st segment
right SCA 1st segment
torcula herophili
right orbitofrontal artery
left ACA A1 segment
ACom artery
right MCA M2 branch
(large fetal) left PCom artery
right PCA P2a segment
left PCA P2b segment
left anterior temporal artery
right ACA A1 segment
left MCA M2 branch
left PCA P2a segment
right PCA P1 segment
right basal vein (of Rosenthal)
right SCA 3^rd segment
left superficial temporal artery
right ACA A2 segment
left ACA A2 segment
left MCA M3 branch
straight sinus
right MCA M3 branch
left PCA P3 segment
left inferior anastomotic vein (of Labbe)
left MCA M3 branch
great cerebral vein (of Galen)
left basal vein (of Rosenthal)
right basal vein (of Rosenthal)
left PCA P4 segment
left internal cerebral vein
left MCA M4 branch
right PCA P4 segment
right pericallosal artery (ACA A3 segment)
right MCA M4 branch
left pericallosal artery (ACA A3 segment)
right internal cerebral vein
superior sagittal sinus
right callosomarginal artery (ACA A3 segment)
left PCA P4 segment
left callosomarginal artery (ACA A3 segment)
right ACA A4 segment
superior sagittal sinus
right ACA A5 segment
left MCA M4 branch
superior sagittal sinus
left superior cerebral vein

Normal CTA head no labels

From the case: CT angiogram head axial - labeling questions

The same normal brain CTA without labels for reference.

Case Discussion

The labeled structures are:

right vertebral artery atlantic (V3) segment
left occipital artery
right PICA 2^nd segment
left vertebral artery atlantic (V3) segment
right vertebral artery intradural (V4) segment
left maxillary artery
right PICA 1st segment
left ICA cervical (C1) segment
right internal jugular vein
left middle meningeal artery
right ICA cervical (C1) segment
left internal jugular vein
right sigmoid sinus
left vertebral artery intradural (V4) segment
left PICA 2^nd segment
left ICA petrous (C2) segment
right ICA petrous (C2) segment
left AICA
right ICA laceral (C3) segment
left ICA laceral (C3) segment
intercavernous sinus
basilar artery
left sigmoid sinus
right ophthalmic artery
left ICA cavernous (C4) segment
right ICA cavernous (C4) segment
left ophthalmic artery
left ICA clinoid (C5) segment
right ICA clinoid (C5) segment
right SCA 2^nd segment
left transverse sinus
left ICA supraclinoid (C6) segment
right ICA supraclinoid (C6) segment
(large fetal) left PCom artery
left SCA 2^nd segment
right transverse sinus
right anterior temporal artery
right ICA terminal (C7) segment
left ICA terminal (C7) segment
left MCA M1 segment
right MCA M1 segment
left SCA 1st segment
right SCA 1st segment
torcula herophili
right orbitofrontal artery
left ACA A1 segment
ACom artery
right MCA M2 branch
(large fetal) left PCom artery
right PCA P2a segment
left PCA P2b segment
left anterior temporal artery
right ACA A1 segment
left MCA M2 branch
left PCA P2a segment
right PCA P1 segment
right basal vein (of Rosenthal)
right SCA 3^rd segment
left superficial temporal artery
right ACA A2 segment
left ACA A2 segment
left MCA M3 branch
straight sinus
right MCA M3 branch
left PCA P3 segment
left inferior anastomotic vein (of Labbe)
left MCA M3 branch
great cerebral vein (of Galen)
left basal vein (of Rosenthal)
right basal vein (of Rosenthal)
left PCA P4 segment
left internal cerebral vein
left MCA M4 branch
right PCA P4 segment
right pericallosal artery (ACA A3 segment)
right MCA M4 branch
left pericallosal artery (ACA A3 segment)
right internal cerebral vein
superior sagittal sinus
right callosomarginal artery (ACA A3 segment)
left PCA P4 segment
left callosomarginal artery (ACA A3 segment)
right ACA A4 segment
superior sagittal sinus
right ACA A5 segment
left MCA M4 branch
superior sagittal sinus
left superior cerebral vein

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CT angiogram head axial - labeling questions

Citation, DOI, disclosures and case data

Normal CTA head

Normal CTA head no labels

Case Discussion

19 public playlists include this case

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