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Pearls and Pitfalls
Transmedullary veins may be visible on enhanced T1­weighted scans and are normal routes of drainage to connect the anterior and posterior spinal perimedullary venous systems.
As the anterior spinal veins are subpial, they will only be visi­ble when grossly dilated, whereas the posteriorly located veins are subarachnoid in location and, therefore, more read­ily visible on routine MR sequences, even if they are only mildly dilated. This peculiar arrangement can explain why some arteriovenous shunts (that drain into the anterior system) may pose a diagnostic challenge, as they may only present with edema but no apparent abnormal venous flow voids.
A hairpin course can be present both for the anterior or posterior spinal arteries and the radicular vein. As the veins are larger, static computed tomographic angiography or MR angiography will not be able to dierentiate whether a hair­pinvessel is arterial or venous in origin.
In rare instances, the epidural venous plexus can intercon­nect with the perimedullary veins if the reflux mechanism of the epidural venous plexus is insucient.
The Spinal Cord Veins
227
achieve a cure by a transarterial endovascular route, as the re­fluxing vein may be some distance away from the epidural shunt location (Fig. 43.12).
Further Reading
[1] Krings T, Mull M, Bostroem A, Otto J, Hans FJ, Thron A. Spinal epidural arte-
riovenous fistula with perimedullary drainage. Case report and pathome­chanical considerations. J Neurosurg Spine 2006; 5: 353–358
[2] Sato K, ter Brugge KG, Krings T. Asymptomatic spinal dural arteriovenous fis-
tulas: pathomechanical considerations. J Neurosurg Spine 2012; 16: 441–446
[3] Thron AK. Vascular Anatomy of the Spinal Cord: Neuroradiological Investiga-
tions and Clinical Syndromes. Vienna: Springer; 1988
228

Index

Note: Page numbers set bold or italic
indicate headings or figures, respectively.
A
Abducens nerve 142 Aberrant right subclavian artery (AR-
SA) 6, 6, 7–9 ACA, See Anterior cerebral artery (ACA) Accessory anterior communicating ar-
tery 54 Accessory basal vein 189 Accessory meningeal artery
in meningeal supply 154in petro-cavernous anastomo-
ses 135 Accessory middle cerebral artery 64,
64, 65 Accessory middle meningeal artery 72 Accessory spinal nerve 144, 145 AComA, See Anterior communicating
artery (AComA) ACP, See Anterior clinoid process (ACP) Adamkiewicz artery 208, 209, 218–219 AICA, See Anterior inferior cerebellar
artery (AICA) Aneurysm – anterior communicating artery fen-
estrations and 50, 50–51
cortico-ophthalmic 33dural ring 27, 27, 29in aberrant right subclavian ar-
tery 67in anterior cerebral artery 61in anterior communicating artery 4,
49, 6768in anterior inferior-posterior inferior
cerebellar artery complex 97
in basilar artery 100–101, 102, 102,
104, 107
in basilar tip 105, 111, 111113in callosomarginal artery 54in dorsolateral spinal artery 209in frontopolar artery 60in infraoptic anterior cerebral ar-
tery 48
in lenticulostriate artery 73, 75in middle cerebral artery 80in pericallosal artery 61in persistent carotid-vertebrobasilar
anastomoses 20, 22
in posterior cerebral artery 118,
124–125
– in posterior communicating ar-
tery 118 – in posterior inferior cerebellar ar-
tery 96
in sulcocommissural artery 212in superior cerebellar artery 95primitive persistent olfactory artery
and 50 – with azygos anterior communicating
artery 54
– “kissing102 – “mirror102
Angular temporal artery 84 Anterior cerebral artery (ACA)
cortical branches of 5861dual origin of 47
duplication 47, 103embryology of 62infraoptic course of 46, 46, 4748leptomeningeal anastomoses
with 84
Anterior choroidal artery (AChoA) 38,
38, 39–43 Anterior clinoid process (ACP) 27 Anterior communicating artery (ACo-
mA)
A1 segment fenestration in 49, 50accessory 54aneurysm 4, 49, 6768azygos 54, 54, 5557complex 49, 49, 5053duplication 57fenestration 49, 5051plexiform 48primitive persistent olfactory artery
and 50, 51
segments 49trifurcation 54, 55
Anterior communicating vein 189, 189,
191 Anterior falcine artery 158 Anterior falcine meningioma 160 Anterior inferior cerebellar artery (AI-
CA) – -posterior inferior cerebellar artery
complex 96, 96–97
anatomy of 96aneurysm 97occlusion 98
Anterior median spinal vein 220 Anterior perimedullary vein 221 Anterior pontomesencephalic vein 189 Anterior spinal artery (ASA)
anastomoses of 208anatomy 211anterior course of 207cervical nonfusion of 208in arteriovenous malformation 211,
212, 212–214in filum terminale artery anato-
my 216, 218 – in perimedullary arteriovenous fistu-
la 213 – in radiculomedullary artery anato-
my 207 – in segmental spinal artery anato-
my 201 – in spinal perimedullary arteriove-
nous fistula 206 – in vertebral body metastatic dis-
ease 203
origin of 207pediatric 210trifurcation of 216unfused segments in 102
Anterior spinal vein 224 Anterior tympanic artery 144 Aorta
anatomic variations of 3embryology of 3, 6
Aortic arch – direct origin of left vertebral artery
form 3, 5 – embryology of 2, 6 APhA, See Ascending pharyngeal artery
(APhA)
Arcade of cone 208, 208 Arcade of dens 200, 201 ARSA, See Aberrant right subclavian ar-
tery (ARSA)
Arteria radiculomedullaris magna 208,
209
Arteriovenous fistula
of filum terminale 216217, 217
218, 219
perimedullary 213pial 181spinal perimedullary 205206vertebra-venous 223, 225226
Arteriovenous malformation (AVM)
angular artery in 86anterior choroidal artery in 40, 43anterior spinal artery in 211, 212,
212214
arterial steal in 87calcarine artery in 121122, 125choroidal 179180deep middle cerebral vein in 190
191, 195
deep venous system in 196developmental venous anomalies
and 182
hydrocephalus in 179180intramedullary spinal 212, 214juvenile spinal 200201lateral mesencephalic vein in 194
195, 197
lenticulostriate artery in 7374leptomeningeal anastomoses
and 86, 87, 87
medial choroidal artery in 120medial palpebral arteries in 35median parietal vein in 191middle cerebral artery branch in 82,
86
ophthalmic artery in 31parieto-occipital artery in 125pericallosal artery in 61petrosal vein in 194pial 202, 211212, 213, 214posterior cerebral artery in 125posterior inferior cerebellar artery
in 98
posterior parietal branch in 86posterior spinal artery in 212, 214radicular 202recurrent artery of Heubner in 71Rolandic artery in 81subcallosal artery in 53sulcocommissural arteries in 213
214
– superficial middle cerebral vein
in 175–177
superior cerebellar artery in 9798superior hemispheric veins in 193
194
thalamoperforating arteries in 115
116, 117, 120
– thalamostriate veins in 186 – transmedullary veins in 179180 – uncal vein in 190, 195 – vein of Galen in 185, 186 – vein of Labbé in 176177, 190 – vein of Rosenthal in 176, 189191,
195
vein of Trolard in 175176, 190
venous circle of Trolard in 188
Arteriovenous shunt
anterior venous system in 223, 224dural 209epidural venous plexus in 223, 226in carotid-cavernous fistula 171in hereditary hemorrhagic telangiec-
tasia 148
lateral mesencephalic vein in 143leptomeningeal anastomoses in 86meningohypophyseal trunk in 25,
26
ophthalmic anastomoses in 128paravertebral venous plexus in 223,
225226
posterior auricular artery in 141Rolandic artery in 81segmental spinal arteries in 202, 204spinal cord veins in 222thalamoperforating arteries in 115transmedullary veins in 181
Artery of Davido158 Artery of falx cerebri 158 Artery of foramen rotundum 133, 135,
152
Artery of Schechter 158 ASA, See Anterior spinal artery (ASA) Ascending cervical artery 200–201 Ascending pharyngeal artery (APhA)
anatomy 132, 150embryology 137, 150external carotid artery origin of 150in aberrant internal carotid ar-
tery 1213in dural arteriovenous fistula 153in segmental spinal artery anato-
my 201
internal carotid artery origin of 150occipital artery origin of 150potential anastomoses of 151vertebral artery anastomoses
with 137, 138 Azygos anterior communicating ar-
tery 54, 54, 55–57
B
BA, See Basilar artery (BA) Balloon angioplasty – anterior communicating artery anat-
omy and 51
artery of Percheron and 116in brainstem perforators 106in inferolateral trunk 25in meningohypophyseal trunk 25,
25
– unfused basilar artery and 101, 102 Basal vein of Rosenthal, See Vein of
Rosenthal Basilar artery (BA)
– absence of distal 103 – anatomy 101, 106 – aneurysm 100101, 102, 102, 104,
107
cerebellar arteries and 106double lumen in 103duplication 102103embryology 101, 106fenestration 100102, 102, 103105
Index
229
– in persistent carotid-vertebrobasilar
anastomoses 78
pontine arteries and 106segmentally unfused 101, 102trunk 100, 100, 101105unfused 100101, 104
Basilar tip
absence of 119anatomy 111aneurysm 105, 111, 111113asymmetric fusion 111, 112caudal fusion type 111, 112cranial fusion types 111, 112embryology 111
Bitruncus arch 8 Brainstem perforators 106, 106, 107–
109
anatomy of 106balloon angioplasty in 106embryology of 106ischemia 107108stenting in 107
Brainstem veins 195 Branchial apparatus development 3
C
Calcarine artery
anatomy 121in arteriovenous malformation 121
122, 125 Callosomarginal artery 54 Caroticotympanic artery (CTymA) 13 Carotid body paraganglioma 150 Carotid cave 27, 27 Carotid-cavernous fistula 169–170,
171
Cavernous anastomosis 132, 132, 133–
136
Cavernous sinus
anatomy 168connections of 170dural arteriovenous fistula in 133
135, 141, 152, 168169, 172, 174 – embryology 168 – routes to 170 – tumors 156
Central retinal artery (CRA) 35 Cerebellar arteries 94, 94, 95, 96, 96–98 – basilar artery and 106 Cervical arteries
ascending 200201vertebral arteries anastomoses
with 139 Choroidal blush 35, 36 Choroidal point 96 Clivus meningioma 159 Cobb syndrome 200–201 Cortico-ophthalmic aneurysm 33 Cranial ner ve supply 140, 140, 141–
145
CSF, See Cerebrospinal fluid (CSF) CTymA, See Caroticotympanic arter y
(CTymA)
D
dAVF, See Dural arteriovenous fistula
(dAVF) Deep cervical artery – in segmental spinal artery anato-
my 200–201
– vertebral arteries anastomoses
with 139 Deep infratentorial veins 195 Deep venous system 184, 184, 185–186
anatomy 184, 188embryology 184in arteriovenous malformation 196
Developmental venous anomaly
(DVA) 181, 181, 182, 182, 183, 183 Dissecting aneurysm
in basilar artery 109in posterior cerebral artery 85in posterior inferior cerebellar ar-
tery 95 – in superior cerebellar artery 94 Diverticulum of Kommerell 6 DO, See Dorsal ophthalmic artery (DO) Dorsal meningeal artery 156 Dorsal nasal artery 36 Dorsal ophthalmic artery (DO) 12–13,
31, 31, 3234 Dural arteriovenous fistula (dAVF)
accessory meningeal artery in 171anterior ethmoidal artery in 37artery of foramen rotundum in 133
134, 152, 168, 171
– ascending pharyngeal artery in 153 – asymptomatic spinal 223, 225 – in cavernous sinus 133135, 141,
152, 168169, 172, 174, 195 – in persistent petrosquamosal si-
nus 165
in posterior fossa 153in superior sagittal sinus 162, 162
164
in transverse sigmoid sinus 138in transverse sinus 156, 164165,
166, 166
induced distal pial supply in 159inferolateral trunk in 133, 152, 171internal maxillary artery in 166lateral clival artery in 133134meningohypophyseal trunk in 152
153, 168, 171 – middle meningeal artery in 133,
140–141, 168, 171
occipital artery in 156, 166of petrous ridge with cortical venous
reflux 140–141radiculomeningeal arteries in 202recurrent meningeal artery in 134spinal 204, 224vein of Rosenthal in 191vs. filum terminale fistula 218
Dural ring 27, 27, 29 DVA, See Developmental venous anom-
aly (DVA) Dysphagia lusoria 6, 8
E
Embolization materials – in ascending pharyngeal artery 139,
151
in external carotid system 144in meningeal supply 159in spinal arteries 210, 212petro-cavernous anastomoses
and 135 Encephalomalacia 78 Epidural venous plexus 222–223, 223,
226 Epistaxis 147, 147
– ascending pharyngeal artery
and 150
– deep temporal artery from internal
maxillary artery anastomosis and 128
ethmoidal arteries and 36, 146in hereditary hemorrhagic telangiec-
tasia 146
in juvenile angiofibroma 147sphenopalatine arteries and 146
Ethmoidal arteries 36, 146 External carotid artery (ECA) – ascending pharyngeal artery origin
from 150
embryology of 129occlusion 137ophthalmic artery anastomoses
with 36
Extraorbital group 36
F
Facial arcade 142, 144 Facial nerve 142–143, 143 Falcine artery 160 Fenestration – anterior communicating artery 49,
5051
middle cerebral artery 63, 63, 66
Filum externa 216 Filum interna 216 Filum terminale artery 216
anatomy 216embryology 216in arteriovenous fistula 216217,
217218, 219 Frontopolar artery 59, 60, 84 Fused pericallosal artery 48
G
Glomus tumor 151 Glossopharyngeal nerve 144, 145 Greater palatine artery 146–147, 147
H
HA, See Hypoglossal artery (HA) Hereditary hemorrhagic telangiectasia
(HHT) 146, 148 Hippocampal vein 189 Hypoglossal artery (HA) – ascending pharyngeal artery
and 137
in meningeal supply 154in persistent carotid-vertebrobasilar
anastomoses 18, 21 – in segmental spinal artery anato-
my 201 Hypoglossal ner ve 144, 145 Hypothalamic vein 189
I
ICA, See Internal carotid artery (ICA) ICV, See Internal cerebral veins (ICVs) ILT, See Inferolateral trunk (ILT) IMA, See Internal maxillary artery
(IMA) Infarct(s)
anterior choroidal artery 39, 42brainstem perforator 107
lenticulostriate artery 72middle cerebral artery 84paramedian perforator 109pontine arter y 108posterior inferior cerebellar ar-
tery 91, 96
recurrent artery of Heubner 68See also Strokespinal cord 213, 215thalamoperforating arteries 117thalamotuberal arteries 119tuberothalamic artery territory 118with basilar dissection 108with persistent carotid-vertebrobasi-
lar anastomoses 20 Inferior parietal arteries 59 Inferior petrosal sinus (IPS) 170, 173–
174
Inferior pharyngeal artery 150 Inferior striate vein 189 Inferior thalamic vein 189 Inferior ventricular vein 189 Inferolateral trunk (ILT) 23, 23, 24–26,
31, 132, 133, 135, 152, 157 Infraoptic course of anterior cerebral
artery 46, 46, 47–48 Infratemporal vein 189 Infratentorial veins 193, 193, 194–197
anatomy 193bridging 197deep 195superficial 193
Infratympanic artery 144 Internal auditory artery 144 Internal carotid artery (ICA)
aberrant 12, 1316ascending pharyngeal artery origin
from 150
development of 12duplication 14, 103embryology of 137in basilar tip embr yology 111in meningeal supply 156paraclinoid 27segmental agenesis of 13segments 1213
Internal cerebral veins (ICVs)
absence 186anatomy 184embryology of 184
Internal frontal arteries 59 Internal maxillary artery (IMA)
anatomy 129ascending pharyngeal artery anasto-
mosis with 151 – in petro-cavernous anastomo-
ses 135 Intraparenchymal transmedullary ve-
nous anastomoses 220, 222 Intrinsic arteries of cord
anatomy 211in arteriovenous malformation 211
212
J
Jugulotympanic paraganglioma 15 Juvenile nasopharyngeal angiofibro-
ma 147, 148, 148 Juvenile spinal arteriovenous malfor-
mation 200
Index
230
K
Kommerell diverticulum 6
L
Labyrinthine artery 144 Lacrimal artery 35 Lateral medullary syndrome 90 Lateral mesencephalic vein
anatomy 197arteriovenous shunt in 143in arteriovenous malformation 194
195, 197
– in vein of Rosenthal anatomy 189 Lateral striate arteries 67 LCCA, See Left common carotid artery
(LCCA)
Lenticulostriate arteries 67–68, 70, 72–
75
Leptomeningeal anastomoses
(LMAs) 83, 83, 84, 84–87
LMAs, See Leptomeningeal anastomo-
ses (LMAs) Locus Kiessel-bachii 147 Long lateral posterior ciliary artery 35 Long posterior ciliary artery 35
M
Mandibulovidian artery 13 MCA, See Middle cerebral artery (MCA) Medial dural tentorial artery 158 Meningeal supply 154, 154, 155–158,
160
Meningioma
clivus 159160middle meningeal artery feed-
ing 154–155olfactory groove 157tentorial incisura 184185
Meningohypophyseal trunk (MHT) 23,
2426, 152, 156, 156 Meningo-ophthalmic artery 129–130 Metamere – in segmental artery anatomy 200–
201 – in spinal arteriovenous metameric
syndrome 200–201 Middle cerebral arter y (MCA)
accessory 64, 64, 65anatomical variations of 62anatomy of 76aneurysm 80cortical branches of 76, 76, 7782duplicated 64, 65, 6566early branching of 63embryology of 62, 67, 76fenestration 63, 63, 66in arteriovenous malformation 86leptomeningeal anastomoses
with 83, 84 – occlusion 85 Middle cerebral arter y trunk 62, 62,
63–66
Middle meningeal artery (MMA) 35
accessory 72anatomy 129from ophthalmic artery 48, 129from right internal carotid artery
through persistent stapedial ar-
tery 129
in dural arteriovenous fistula 133,
140–141, 168, 171
in facial nerve supply 144in meningeal supply 154in petro-cavernous anastomo-
ses 134, 135
meningioma fed by 154155pseudoaneurysm of 158
Middle pharyngeal artery 150–151 MMA, See Middle meningeal artery
(MMA)
MPV, See Median prosencephalic vein
(MPV)
Musculociliary trunk 35
N
Nasal fossa tumors 147, 148 Nasal septal arteries 36 Nasopalatine artery 146–147 Nasopharyngeal cancer 149 Neuromeningeal trunk 132, 150, 153,
154
O
OA, See Ophthalmic artery (OA) Occipital artery – ascending pharyngeal artery origin
from 150
embryology of 137in dural arteriovenous fistula 156in meningeal supply 155, 155156in segmental spinal artery anato-
my 201
– vertebral arteries anastomoses
with 138, 139 Ocular group 35 Oculomotor nerve 142 Olfactory groove meningioma 157 Olfactory nerve 142 Olfactory vein 189 Ophthalmic anastomoses 128, 128,
129–130
Ophthalmic artery (OA)
branches of 35, 35, 36, 3637dorsal 1213, 31, 31, 3234from middle meningeal artery 48,
129
in meningeal supply 156157ventral 31, 31, 3234
Optic chiasm vein 189 Optic nerve 142 Optic strut 27 Orbital artery 31 Orbital group 35 Orbitofrontal artery 59, 84 Otic artery 19
P
PaAs, See Proatlantal arteries (PaAs) Palpebral arteries 36 Paracentral arteries 59 Parietal arteries 59, 84 Parieto-occipital artery
anatomy 121in arteriovenous malformation 125in leptomeningeal anastomosis 84
PCA, See Posterior cerebral artery (PCA) PcomA, See Posterior communicating
artery (PcomA)
Peduncular vein
anatomy 195in vein of Rosenthal anatomy 189
Percheron artery 111, 113, 116, 117 Pericallosal artery 84
aneurysm 61fused 48in anterior cerebral artery anato-
my 58 – in arteriovenous malformation 61 Perimedullary arteriovenous fistu-
la 213 Perioptic arterial plexus 46 Persistent carotid-vertebrobasilar anas-
tomoses 17, 17, 19–22 Persistent median callosal artery 57 Persistent occipital sinus 196, 197 Persistent primitive olfactory ar-
tery 50, 51 Persistent stapedial artery (PSA) 14,
16, 129 Persistent trigeminal arter y 19, 20–21,
90 Petrous anastomosis 132, 132, 133–
136
PHACE syndrome 20 Pharyngeal trunk 150 Pharyngo-occipital system 137 Pial arteriovenous fistula 181 PICA, See Posterior inferior cerebellar
artery (PICA) Plexiform anterior communicating ar-
tery 48 PMI, See Primitive maxillary artery
(PMI) Pontine arteries
basilar artery and 106infarction in 108
Posterior auricular artery 141 Posterior cerebral artery (PCA)
absence of 119aneurysm 118119, 124125cortical branches of 121, 121, 122
125
in arteriovenous malformation 125in meningeal supply 158leptomeningeal anastomoses
with 84, 85 Posterior communicating artery (Pco-
mA)
aneurysm 118119embryology 18hypoglossal artery and 19hypoplastic 116trigeminal artery and 20
Posterior communicating vein
anatomy 195, 197in vein of Rosenthal anatomy 189
Posterior inferior cerebellar artery
(PICA) – -anterior inferior cerebellar artery
complex 96, 96–97
absence of 96anatomy 90, 96aneurysm 96bihemispheric 96, 98embryology 90, 96in arteriovenous malformation 98in radiculomedullary artery anato-
my 208
infarct 91, 96segments 90variations of 96
variations of origin of 90, 90, 9192
Posterior lateral nasal arter y 146 Posterior medial nasal artery 146 Posterior median spinal vein 220 Posterior meningeal artery 96, 138,
160
Posterior mesencephalic vein 189 Posterior spinal artery
anatomy 212in arteriovenous malformation 212,
214
– in radiculomedullary artery anato-
my 207 Posterior temporal artery 78, 79, 84 Posterolateral spinal artery 212 Precentral artery 84 Precentral vein 189 Prefrontal artery 84 Prelaminar arter y 201 Primitive maxillary artery (PMI) 12 Primitive ventral opthalmic artery
(PVOA) 31 Proatlantal arteries (PaAs) 18, 18, 19,
21, 137 PSA, See Persistent stapedial artery
(PSA) Pseudoaneurysm
of anterior choroidal artery 41of internal carotid artery 149of middle meningeal artery 158
Pterygovaginal artery – ascending pharyngeal artery anasto-
mosis with 151 – in petro-cavernous anastomo-
ses 135, 135–136
R
Radiculomedullary arteries
anatomy 205anterior 207, 207, 208embryology 205in segmental spinal artery anato-
my 201 – in spinal perimedullary arteriove-
nous fistula 205–206 – posterior 207, 207 Radiculomeningeal arteries 202 Radiculopial arteries
anatomy 205embryology 205in segmental spinal artery anato-
my 202 – in spinal perimedullary arteriove-
nous fistula 205–206 Recurrent artery of Heubner (RAH) 62,
64, 64, 65, 67, 69–72 Recurrent meningeal artery
in dural arteriovenous fistula 134in orbital group 35
Retrocorporeal arter y 201 Right subclavian artery
aberrant 6, 6, 79isolation of 8 Rolandic artery 77–78, 81
S
SCA, See Superior cerebellar artery
(SCA) Schwannoma 203 Segmental spinal arteries
Index
231
anatomy 200arteriovenous shunt in 202in spinal arteriovenous metameric
syndrome 200–201
SMV, See Superficial middle cerebral
vein (SMV)
Sphenopalatine artery 146, 146–147,
148 Sphenoparietal sinus 177 Spinal arteries
See Intrinsic arteries of cordSee specific arteries
Spinal arteriovenous metameric syn-
drome 200–201 Spinal cord veins 220, 222 Spinal perimedullary arteriovenous f is-
tula 205–206
Splenial artery
anatomy 124in leptomeningeal anastomosis 84
SSS, See Superior sagittal sinus (SSS) Stapedial artery 14
anatomy 129middle meningeal artery from inter-
nal carotid artery through 129 – persistent 14, 16 Stroke – aberrant internal carotid artery
and 15
basilar artery perforator 102, 106
107
internal carotid artery 132leptomeningeal anastomoses and 84middle cerebral artery 40, 8384orbital region embolization and 130See also Infarct(s)
Subarachnoid hemorrhage
persistent occipital sinus in 196with azygos anterior communicating
artery 55 Subcallosal artery 53 Subclavian artery, embryology of 6 Sulcal arteries 211 Sulcocommissural arteries 211, 212–
214
Superficial cortical veins 175–177anatomic variations in 175anterior group 175balanced 175mediodorsal group 175posteroinferior group 175
Superficial infratentorial veins 193 Superficial middle cerebral vein (SMV)
anatomy 176cavernous capture of 177dominant 176drainage of 177in arteriovenous malformation 175
177
Superficial sylvian vein, See Superficial
middle cerebral vein (SMV)
Superficial temporal artery 36, 36, 130,
158
Superficial temporal veins 171, 172 Superior anastomotic vein, See Vein of
Trolard
Superior cerebellar artery (SCA)
anatomy 97embryology of 94in arteriovenous malformation 97
98, 193
– occlusion 99 Superior hemispheric veins
anatomy 193in arteriovenous malformation 193
194
Superior hypophyseal artery com-
plex 28 Superior labial artery 147 Superior parietal artery 59 Superior pharyngeal artery 150, 151 Superior sagittal sinus (SSS)
anatomy 162drainage to 163duplication of 162, 164dural arteriovenous fistula in 162
163
embryology 162variations of 162
Superior vermian vein
anatomy 193in vein of Rosenthal anatomy 189
Supraorbital artery 36 Supratrochlear artery 36 Supreme intercostal artery 200
T
Tectal vein 189 Tectogeniculate vein 189
Tentorial incisura meningioma 184–
185
Thalamoperforating arteries
(ThPA) 115, 115, 116–120
Thalamostriate vein
anatomy 186drainage of 185in arteriovenous malformation 186
Transmedullary veins 179, 179, 180–
183
Transverse sinus
absence of 221anatomy 162aplasia 165dural arteriovenous fistula in 138,
156, 164165, 166, 166embryology 162hypoplasia of 165
Trigeminal artery
in basilar artery embryology 101persistent 19, 2021, 90
Trigeminal nerve 142, 143 Trochlear nerve 142 Tuberothalamic arteries
absence of 115anatomy of 115infarct in 118
Tympanic paraganglioma 15
U
Uncal vein
in arteriovenous malformation 190,
195
– in vein of Rosenthal anatomy 189 Upper cervical anastomoses 137–138
V
Vagus nerve 144, 145 Vasocorona 208, 211 Vein of Galen
anatomy 186embryology of 184in arteriovenous malformations 185,
186 Vein of Labbé
absent 175176anatomy 176dominant 176
duplicated 176in arteriovenous malformation 177,
190
Vein of Markowski, See Median prosen-
cephalic vein (MPV)
Vein of Rosenthal
absence 186anatomy 188anterior drainage of 184discontinuous 188, 197embryology 188in arteriovenous malformation 176,
189191, 195in dural arteriovenous fistula 191inferior temporal vein drainage
of 185 – tributaries of 189 Vein of Trolard
anatomy 175dominant 175duplicated 175in arteriovenous malformation 175,
190
Venous angle 186 Venous circle of Trolard
anatomy 191in arteriovenous malformation 188
Ventral ophthalmic artery 31, 31, 32–
33
Ventral schwannoma 203 Vertebra-venous fistulas 223, 225–226 Vertebral artery (VA)
anatomy 200anterior spinal artery origin
from 207 – ascending pharyngeal artery anasto-
moses with 137
embryology of 3in persistent carotid-vertebrobasilar
anastomoses 17 – in radiculomedullary artery anato-
my 208 – in segmental spinal artery anato-
my 200–201 – “kissing” 103 Vestibulocochlear nerve 142–143, 143,
144
Vidian artery
in dural arteriovenous fistula 135in petro-cavernous anastomo-
sis 135, 135