Resection of a posterior fossa arteriovenous malformation complicated by leaked Onyx: a case report and review of literature.

Onyx extravasation is a rare complication during embolization of arteriovenous malformations (AVM). We present a case of embolization complicated by Onyx leak into the cerebellum later encountered during surgical excision of the AVM. Our goal is to report on these rare events and to outline the successful treatment of this complication.

patient records are reviewed for medical history, laboratory and radiological examinations, and outpatient follow-up clinics. A 62-year-old woman presented with a hunting Hess modified grade 2 and grade Fisher 2 subarachnoid hemorrhage (SAH) secondary to a ruptured left lower posterior cerebellar artery (PICA) aneurysm associated with vermian superior cerebellar AVM.

After endovascular intervention, totally embolized aneurysm; However, only 75% of the AVM can be safely eliminated. Onyx extravasation of aneurysm rupture was recorded on the first angiogram. Elective suboccipital craniectomy then planned for residual AVM resection where extravasated Onyx caused a disturbance during resection surgery. Post-op angiogram confirmed complete resection of the AVM, as well as most of the extravasated Onyx. Patients did well post-surgery, neurological residual intact during the course of the hospital.

Although rarely reported in the literature, Onyx extravasation is a potential complication that neurosurgeons have to be prepared to face. Compliance of Onyx into the surrounding parenchyma could inhibit optimal surgical resection of AVM and increased complications. Therefore, careful surgical dissection should be done with special care for delicate neurovasculature. In this case, a complete resection of the AVM and the mass of the Onyx safely reached.

TRIS

GP7166-100G 100 g
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TRIS

GP7166-1KG 1 kg
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TRIS

GP7166-250G 250 g
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TRIS

GP7166-500G 500 g
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Tris

TB0197 500g
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Rat Monoclonal Anti-Dinitrophenyl (DNP) IgG1, aff pure (w/o azide)

DNP15-MW 100 ug
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Tris-Phenolis

abx082108-250ml 250 ml
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Tris-base

20-abx082498
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Tris-Hcl

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BB0079 25g
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Tris DBA

B7402-50 50 mg
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BIS-TRIS

B7772-100000 100 g
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250G Tris

NAT1050 250G
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TRIS hydrochloride

GB4431-100G 100 g
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TRIS hydrochloride

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TRIS hydrochloride

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BIS-TRIS

GB6605-100G 100 g
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BIS-TRIS

GB6605-1KG 1 kg
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BIS-TRIS

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BIS-TRIS

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BIS-TRIS

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GB8936-500G 500 g
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TD0101 100g
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CE238 1 kg
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10X Tris-Glycine SDS buffer

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5X Bacterial Protein Extraction Reagent (Tris)

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Tris buffer pH 7.4, 1000 ml

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Tris buffer pH 8.0, 1000 ml

12-9199-10 1000 ml
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Tris-(dibenzylideneacetone)-dipalladium(O)-chloroform adduct

20-abx182701
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2,4,6-Tris-(4-bromophenyl)[1,3,5]triazine

20-abx182980
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  • EUR 1028.40
  • EUR 444.00
  • 1 g
  • 25 g
  • 5 g

Tris(trifluoroMethanesulfonyl)Methane, 70% in water

20-abx185605
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  • 1 g
  • 250 mg

4-[Tris(4-Aminophenyl)Methyl]Aniline

20-abx188428
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  • EUR 1612.80
  • 1 g
  • 5 g

10 x TBE (Tris/Borate/EDTA)

A00269 500ml
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TG Buffer (TRIS-GLYCINE) 10X Solution

A0028 4L
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10x Tris-Glycine Ready Mixed Powder

BA01707 1L
EUR 102
Description: High purity buffer for various PCR applications.

10x Tris-Glycine-SDS Buffer Solution

BA01807 6x100ml
EUR 123.6
Description: High purity buffer for various PCR applications.

Tris-Glycine SDS Running Buffer Pack

AR0139 1L/pack (for 5 assyas)
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1L Tris-Glycine Electroblotting Buffer 10X

NAT1240 1L
EUR 102

4L Tris-Glycine Electroblotting Buffer 10X

NAT1242 4L
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1L TBS (10X) Tris Buffered Saline

NAT1244 1L
EUR 126

1L Tris-HCL 1M pH 7.2

NAT1290 1L
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1L Tris-HCL 1M pH 7.4

NAT1292 1L
EUR 126

1L Tris-HCL 1M pH 7.6

NAT1294 1L
EUR 126

TRIS Ultrapure, 99.9%, Ph. Eur. grade

GB1923-100G 100 g
EUR 64.8

TRIS Ultrapure, 99.9%, Ph. Eur. grade

GB1923-1KG 1 kg
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TRIS Ultrapure, 99.9%, Ph. Eur. grade

GB1923-250G 250 g
EUR 94.8

TRIS Ultrapure, 99.9%, Ph. Eur. grade

GB1923-500G 500 g
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10 x TBS (Tris-buffered saline)

GR103023 1 L
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1 M Tris Buffer, pH 7.0

GR103060 200 mL
EUR 118.8

1 M Tris Buffer, pH 8.0

GR103061 200 mL
EUR 118.8

1 M Tris Buffer, pH 7.4

GR103062 200 mL
EUR 118.8
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