Normal CTA (with labels)
From the case:
CT angiogram head coronal - labeling questions
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/114470/annotated_viewer_json?iframe=true\u0026lang=us"}
The labeled structures are:
- right ophthalmic artery
- left pericallosal artery (ACA A3 segment)
- right pericallosal artery (ACA A3 segment)
- left callosomarginal artery (ACA A3 segment)
- left ophthalmic artery
- right orbitofrontal artery
- left ACA A2 segment
- left anterior temporal artery
- right ICA clinoid (C5) segment
- left ICA clinoid (C5) segment
- right ACA A2 segment
- left MCA M2 branch
- right ICA supraclinoid (C6) segment
- left ICA supraclinoid (C6) segment
- left ACA A1 segment
- left MCA M1 segment
- left ICA cavernous (C4) segment
- right ICA cavernous (C4) segment
- right callosomarginal artery (ACA A3 segment)
- ACom artery
- left ICA terminal (C7) segment
- right MCA M1 segment
- right ICA terminal (C7) segment
- intercavernous sinus
- left ICA cervical (C1) segment
- right ACA A1 segment
- left MCA M2 segment
- (large fetal) left PCom artery
- right ICA laceral (C3) segment
- left ICA laceral (C3) segment
- left middle meningeal artery
- left maxillary artery
- right MCA M3 branch
- left PCA P2a segment
- right anterior temporal artery
- left superficial temporal artery
- right ICA petrous (C2) segment
- left ICA petrous (C2) segment
- right ICA cervical (C1) segment
- right PCA P1 segment
- left MCA M3 branch
- right SCA 1st segment
- basilar artery
- superior sagittal sinus
- right PCA P2a segment
- left SCA 1st segment
- right ACA A4 segment
- left PCA P2b segment
- left AICA
- left internal jugular vein
- left internal cerebral vein
- right MCA M4 branch
- right internal jugular vein
- left vertebral artery atlantic (V3) segment
- left SCA 2nd segment
- right SCA 2nd segment
- right vertebral artery atlantic (V3) segment
- right internal cerebral vein
- right PCA P2b segment
- left vertebral artery intradural (V4) segment
- right PICA 1st segment
- left MCA M4 branch
- right vertebral artery intradural (V4) segment
- left PICA 1st segment
- right sigmoid sinus
- right basal vein (of Rosenthal)
- left PCA P3 segment
- left occipital artery
- great cerebral vein (of Galen)
- right basal vein (of Rosenthal)
- left sigmoid sinus
- left PICA 2nd segment
- right PCA P3 segment
- right PICA 2nd segment
- left inferior anastomotic vein (of Labbe)
- left superior cerebral vein
- right PCA P4 segment
- left PCA P4 segment
- left transverse sinus
- straight sinus
- superior sagittal sinus
- right transverse sinus
- torcula herophili
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/114469/annotated_viewer_json?iframe=true\u0026lang=us"}
The same normal brain CTA without labels for reference.
Case Discussion
The labeled structures are:
- right ophthalmic artery
- left pericallosal artery (ACA A3 segment)
- right pericallosal artery (ACA A3 segment)
- left callosomarginal artery (ACA A3 segment)
- left ophthalmic artery
- right orbitofrontal artery
- left ACA A2 segment
- left anterior temporal artery
- right ICA clinoid (C5) segment
- left ICA clinoid (C5) segment
- right ACA A2 segment
- left MCA M2 branch
- right ICA supraclinoid (C6) segment
- left ICA supraclinoid (C6) segment
- left ACA A1 segment
- left MCA M1 segment
- left ICA cavernous (C4) segment
- right ICA cavernous (C4) segment
- right callosomarginal artery (ACA A3 segment)
- ACom artery
- left ICA terminal (C7) segment
- right MCA M1 segment
- right ICA terminal (C7) segment
- intercavernous sinus
- left ICA cervical (C1) segment
- right ACA A1 segment
- left MCA M2 segment
- (large fetal) left PCom artery
- right ICA laceral (C3) segment
- left ICA laceral (C3) segment
- left middle meningeal artery
- left maxillary artery
- right MCA M3 branch
- left PCA P2a segment
- right anterior temporal artery
- left superficial temporal artery
- right ICA petrous (C2) segment
- left ICA petrous (C2) segment
- right ICA cervical (C1) segment
- right PCA P1 segment
- left MCA M3 branch
- right SCA 1st segment
- basilar artery
- superior sagittal sinus
- right PCA P2a segment
- left SCA 1st segment
- right ACA A4 segment
- left PCA P2b segment
- left AICA
- left internal jugular vein
- left internal cerebral vein
- right MCA M4 branch
- right internal jugular vein
- left vertebral artery atlantic (V3) segment
- left SCA 2nd segment
- right SCA 2nd segment
- right vertebral artery atlantic (V3) segment
- right internal cerebral vein
- right PCA P2b segment
- left vertebral artery intradural (V4) segment
- right PICA 1st segment
- left MCA M4 branch
- right vertebral artery intradural (V4) segment
- left PICA 1st segment
- right sigmoid sinus
- right basal vein (of Rosenthal)
- left PCA P3 segment
- left occipital artery
- great cerebral vein (of Galen)
- right basal vein (of Rosenthal)
- left sigmoid sinus
- left PICA 2nd segment
- right PCA P3 segment
- right PICA 2nd segment
- left inferior anastomotic vein (of Labbe)
- left superior cerebral vein
- right PCA P4 segment
- left PCA P4 segment
- left transverse sinus
- straight sinus
- superior sagittal sinus
- right transverse sinus
- torcula herophili