Bilateral carotid vertebrobasilar rete mirabile

Jones, Rebecca; Wetzel, Nicholas

doi:10.3171/jns.1970.33.5.0581

Cited by 27 publications

(12 citation statements)

References 14 publications

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“…CRM is a rare entity, most commonly reported in the Asian population [8]. Association with VRM is even rarer, with only seven reported cases [1,[3][4][5][8][9][10]. To the best of our knowledge this is only the third reported case of CRM and VRM in a western patient, and the first in a patient originally from South America.…”

Section: Discussionmentioning

confidence: 88%

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A new pattern of arterial rete compensation of segmental basilar agenesis associated with carotid retia mirabilia: a case report (2010: 1b)

et al. 2010

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The carotid rete mirabile is a transdural arterial network centered at the parasellar area, in place of the intracavernous internal carotid artery (ICA), associated with hypoplasia or absence of the cervical and petrous ICA. Rare cases of vertebral rete mirabile associated with segmental agenesis of transdural vertebral arteries have been reported before. The authors present a new case of carotid rete mirabilia associated with segmental basilar agenesis compensated by a previously unknown pattern of arterial rete. Collateral flow, its efficacy and differential diagnosis are discussed.

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Section: Discussionmentioning

confidence: 88%

“…Some cases of similar networks of thin arterial vessels in the vertebrobasilar system-vertebral rete mirabile (VRM)-were reported in association with CRM. To the best of our knowledge 33 cases of CRM were reported [2][3][4][5][6][7], seven with simultaneous VRM [1,[3][4][5][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

A new pattern of arterial rete compensation of segmental basilar agenesis associated with carotid retia mirabilia: a case report (2010: 1b)

et al. 2010

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“…In these species, the rete has physiological roles, such as heat exchanger or pressure absorber for the intracranial arterial blood flow (Edelman et al 1972). Of course, the rete does not exist in the normal human development process (Jones and Wetzel 1970). Rete may not be a retrograde developmental shift in humans.…”

Section: Discussionmentioning

confidence: 99%

Bilateral Carotid and Vertebral Rete Mirabile Presenting with Subarachnoid Hemorrhage Caused by the Rupture of Spinal Artery Aneurysm

Nagahata

Kondo

Mouri

et al. 2013

Tohoku J. Exp. Med.

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Rete mirabile (or carotid rete) is a normal structure that plays physiological roles in the lower mammals. However, the rete does not exist in the normal carotid circulation of humans. Carotid rete mirabile (CRM) is a rare condition compensating for congenital dysplastic internal carotid artery. Arterial plexus at the cavernous region, which supplies intradural internal carotid artery instead of the aplastic cavernous portion of internal carotid artery, looks like the "rete mirabile" seen in the lower mammals, and is a characteristic angiographical finding of CRM. In addition to the CRM, existence of segmental occlusion and tortuous collaterals of vertebral artery, so-called carotid and vertebral rete mirabile (CVRM), is a very rare condition. We report a 70-year-old female patient with bilateral CVRM presenting with subarachnoid hemorrhage (SAH) caused by the rupture of a cervical spinal artery aneurysm. Our patient is the oldest, compared with the previously reported four patients with CVRM. Moreover, this is the first report of ruptured spinal artery aneurysm as a cause of SAH associated with CRM/CVRM. To avoid rebleeding in the patient, we successfully treated the patients by performing coil embolization of the remaining spinal aneurysms. In patients with CVRM, aneurysm formation of the cervical spinal artery may be a reasonable consequence because of the hemodynamic stress on the spinal artery as a collateral pathway. Detailed evaluation of the cervical spinal arteries should be performed to detect or to rule out ruptured aneurysm in patients with SAH associated with CVRM.

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“…18) Table 1 summarizes the 26 reported cases including our present case. [1][2][3][4][5][6][7][8][9][10][11][12][13][15][16][17][18][19][20][21][22][23] The age of the patients ranged from 2 to 68 years (mean 41.1 years). Twelve of these cases occurred in Japanese patients.…”

Section: Discussionmentioning

confidence: 99%

“…1,3,18) Carotid rete mirabile was first reported in humans in 1953. 9) This abnormality is not seen in any developmental stage in humans, but some primitive anastomotic channels in the human embryo may reappear in the adult as collateral vessels circumventing an occluded carotid artery. 8) The exact pathogenesis and clinical significance of carotid rete mirabile in humans remain unknown.…”

Section: Introductionmentioning

confidence: 99%

Carotid Rete Mirabile Associated With Subarachnoid Hemorrhage-Case Report-

Mikami

Takahashi

Houkin

2005

Neurol. Med. Chir.(Tokyo)

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A 47-year-old man presented with carotid rete mirabile manifesting as subarachnoid hemorrhage (SAH). Computed tomography showed SAH, and angiography disclosed an abnormal vascular network around the petrous and cavernous portions of the internal carotid artery. Single photon emission computed tomography (SPECT) with technetium-99m methyl cysteinate dimer revealed reduced regional cerebral blood flow (CBF). Twelve months later, he was leading a normal life without neurological problems, hemorrhage, or ischemic manifestations. SPECT with iodine-123 N-isopropyl-p-iodoamphetamine and the acetazolamide challenge test showed the CBF had normalized.

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Bilateral carotid vertebrobasilar rete mirabile

Abstract: ✓ A case of bilateral internal carotid artery hypoplasia with bilateral carotid rete mirabile is described in which the intracranial circulation was fed predominantly by external carotid anastomosis, the vertebrobasilar system, and the internal carotid system.

Cited by 27 publications

References 14 publications

A new pattern of arterial rete compensation of segmental basilar agenesis associated with carotid retia mirabilia: a case report (2010: 1b)

A new pattern of arterial rete compensation of segmental basilar agenesis associated with carotid retia mirabilia: a case report (2010: 1b)

Bilateral Carotid and Vertebral Rete Mirabile Presenting with Subarachnoid Hemorrhage Caused by the Rupture of Spinal Artery Aneurysm

Carotid Rete Mirabile Associated With Subarachnoid Hemorrhage-Case Report-

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