Distal posterior inferior cerebellar artery aneurysm with cerebellar arteriovenous malformation treated by open surgery: a case report

Yasuda, Takaya; Maki, Yoshinori; Ishibashi, Ryota; Kurosaki, Yoshitaka; Chin, Masaki; Yamagata, Sen

doi:10.1186/s41016-019-0161-z

Cited by 3 publications

(2 citation statements)

References 20 publications

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“…Depending on the location, surgery can be performed in a superficial or deep operative field. Diseases requiring deep field operations include: Cavernous malformations in the cerebral peduncles,[ 8 ] midbrain,[ 17 ] pons,[ 46 ] and other cavernomas of the brainstem[ 23 ] Arteriovenous malformations in the basal ganglia, thalamus,[ 27 ] choroid plexus,[ 13 ] brain stem,[ 18 ] and cerebellum[ 43 ] Complex aneurysms of the anterior inferior cerebellar artery,[ 24 ] posterior inferior cerebellar artery,[ 41 ] basilar artery,[ 26 ] and middle cerebral artery[ 20 ] Skull base tumors. [ 32 , 42 ] …”

Section: Introductionmentioning

confidence: 99%

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3D-printed cranial models simulating operative field depth for microvascular training in neurosurgery

Byvaltsev

Polkin

Bereznyak

et al. 2021

Surgical Neurology International

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Background: The skills required for neurosurgical operations using microsurgical techniques in a deep operating field are difficult to master in the operating room without risk to patients. Although there are many microsurgical training models, most do not use a skull model to simulate a deep field. To solve this problem, 3D models were created to provide increased training in the laboratory before the operating room, improving patient safety. Methods: A patient’s head was scanned using computed tomography. The data were reconstructed and converted into a standard 3D printing file. The skull was printed with several openings to simulate common surgical approaches. These models were then used to create a deep operating field while practicing on a chicken thigh (femoral artery anastomosis) and on a rat (abdominal aortic anastomosis). Results: The advantages of practicing with the 3D printed models were clearly demonstrated by our trainees, including appropriate hand position on the skull, becoming comfortable with the depth of the anastomosis, and simulating proper skull angle and rigid fixation. One limitation is the absence of intracranial structures, which is being explored in future work. Conclusion: This neurosurgical model can improve microsurgery training by recapitulating the depth of a real operating field. Improved training can lead to increased accuracy and efficiency of surgical procedures, thereby minimizing the risk to patients.

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Section: Introductionmentioning

confidence: 99%

“…Arteriovenous malformations in the basal ganglia, thalamus,[ 27 ] choroid plexus,[ 13 ] brain stem,[ 18 ] and cerebellum[ 43 ]…”

Section: Introductionmentioning

confidence: 99%

3D-printed cranial models simulating operative field depth for microvascular training in neurosurgery

Byvaltsev

Polkin

Bereznyak

et al. 2021

Surgical Neurology International

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Endovascular treatment of posterior inferior cerebellar artery trunk aneurysm

Hou

Guo

et al. 2021

Acta Neurol Belg

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PICA flow-related aneurysms and posterior fossa AVM: rare association and challenging management: case presentation and review of literature

de Paule Adjiou,

Abbas,

Benali

et al. 2024

Egypt J Neurosurg

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Background The association of an infratentorial arteriovenous malformations (AVMs) with a PICA aneurysm is very rare and the presence of associated aneurysms was an independent predictive factor of poor outcome at follow-up for posterior fossa AVMs (pfAVMs). We report the case of a 57-year-old female patient admitted to our institution with a challenging management of a pfAVM associated with multiple flow-related aneurysms of the PICA. Case presentation A 57-year-old patient with no medical past history was admitted to our emergency department with a sudden onset headache and severe neck stiffness. A cerebral CT Scan showed a cerebellar hematoma. Digital subtraction angiography demonstrates a right paramedian supero-posterior infratentorial AVM located at the posterosuperior part of the right cerebellar hemisphere with a small compact nidus supplied by branches of the right PICA and the right superior cerebellar artery. Venous drainage being toward the torcular. The AVM is associated with 3 flow-related aneurysms. We opted for surgical treatment of the 2 high-flow aneurysms on the distal branch of the right PICA. Patient was then sent for radiosurgery for the AVM. We opted for observation of the left small aneurysm. Conclusion Microsurgery for PICA aneurysms is particularly well suited because exposure through a far-lateral craniotomy is excellent. Endovascular embolization can be used to occlude the aneurysm as well as treat the AVM at the same time in certain circumstances. Clipping or coiling the aneurysm should be discussed in a multidisciplinary meeting.

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Distal posterior inferior cerebellar artery aneurysm with cerebellar arteriovenous malformation treated by open surgery: a case report

Cited by 3 publications

References 20 publications

3D-printed cranial models simulating operative field depth for microvascular training in neurosurgery

3D-printed cranial models simulating operative field depth for microvascular training in neurosurgery

Endovascular treatment of posterior inferior cerebellar artery trunk aneurysm

PICA flow-related aneurysms and posterior fossa AVM: rare association and challenging management: case presentation and review of literature

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