Cerebellopontine angle cistern
Last revised by Tariq Walizai
on 6 Jan 2025
Citation, DOI, disclosures and article data
Citation:
Yee J, Walizai T, Sharma R, et al. Cerebellopontine angle cistern. Reference article, Radiopaedia.org (Accessed on 08 Mar 2025) https://doi.org/10.53347/rID-43489
Permalink:
rID:
43489
Article created:
13 Mar 2016,
Juliana K. Yee
Disclosures:
At the time the article was created Juliana K. Yee had no recorded disclosures.
View Juliana K. Yee's current disclosures
Last revised:
6 Jan 2025,
Tariq Walizai
Disclosures:
At the time the article was last revised Tariq Walizai had no financial relationships to ineligible companies to disclose.
View Tariq Walizai's current disclosures
Revisions:
16 times, by
12 contributors -
see full revision history and disclosures
Systems:
Sections:
Synonyms:
- CPA
- Cerebellopontine angle
- CPA cistern
- Pontocerebellar cistern
- Cerebellopontine angles
- Pontocerebellar cisterns
The cerebellopontine angle (CPA) cistern, also known as the pontocerebellar cistern, is a triangular CSF-filled subarachnoid cistern that lies between the anterior surface of the cerebellum and the lateral surface of the pons.
Gross anatomy
Boundaries
superior: tentorium cerebelli
posterior: anterior surface of cerebellum
inferior: lower cranial nerves
anterior: prepontine cistern
anterolateral: posterior surface of petrous temporal bone, including internal acoustic meatus
medial: pons
Contents
flocculus of the cerebellum
foramen Luschka of the 4th ventricle
Relations
CN V lies superior to this space.
the middle cerebellar peduncle is inferior
Related pathology
-
vestibular schwannomas (nearly 80% of all CP angle tumors)
metastatic tumors
vascular tumors
References
- 1. Alamadi AM, Rutka JA. Cerebellopontine Angle Tumours. Read relevant article
- 2. Balasubramanian T. Cerebello-Pontine Angle Tumours Otolaryngologist’s Perspective. Read relevant article
- 3. Textbooks of Operative Neurosurgery ( 2 Vol.). B.I. Publications. (2005) ISBN:817225217X. Read it at Google Books - Find it at Amazon
- 4. Altafulla J, Bordes S, Jenkins S, Litvack Z, Iwanaga J, Loukas M, Tubbs RS. The Basal Subarachnoid Cisterns: Surgical and Anatomical Considerations. (2019) World neurosurgery. doi:10.1016/j.wneu.2019.05.087 - Pubmed
Incoming Links
Articles:
- Sensorineural hearing loss
- Posterior fossa protocol (MRI)
- Superior petrosal vein
- Prepontine cistern
- Möbius syndrome
- Deafness
- Cerebellopontine angle lipoma
- Cerebellum
- Lateral pontomesencephalic membrane
- Cerebellopontine angle mass (mnemonic)
- Lateral apertures (of Luschka)
- Fourth ventricle
- Anterior pontine membrane
- Arachnoid cyst
- Facial nerve
- Medical abbreviations and acronyms (C)
- Pons
- Lateral pontomedullary membranes
- Trigeminal schwannoma
- Trigeminal neuralgia protocol (MRI)
Cases:
- Epidermoid cyst
- Vestibular schwannoma
- Cerebellopontine angle epidermoid cyst
- Normal MRI internal auditory meatus
- Intracranial neurenteric cyst
- Anterior inferior cerebellar artery vascular loop - type III
- Calcified cerebellopontine angle meningioma
- Intracranial epidermoid cyst
- Trigeminal schwannoma
- Vestibular schwannoma - intracanalicular
- Cerebellopontine angle meningioma
- Vestibular schwannoma
- Cerebellopontine angle meningioma
- Arachnoid cyst - cerebellopontine angle
- Brainstem glioma
- En plaque meningioma with associated CPA / frontal convexity meningiomas
- Anterior inferior cerebellar artery vascular loop - type III
- Meningioma of the cerebellopontine angle
- Meningioma - cerebellopontine angle
- Subependymal grey matter heterotopia and bilateral arachnoid cysts
Related articles: Anatomy: Brain
-
brain
- grey matter
- white matter
-
cerebrum
-
cerebral hemisphere (telencephalon)
- cerebral lobes and gyri
- frontal lobe
- parietal lobe
-
occipital lobe
- occipital pole
- lingual gyrus
- fusiform gyrus (Brodmann area 37)
- calcarine (visual) cortex
- cuneus
- temporal lobe
- basal forebrain
- limbic system
- insula
-
cerebral sulci and fissures (A-Z)
- calcarine fissure
- callosal sulcus
- central (Rolandic) sulcus
- cingulate sulcus
- collateral sulcus
- inferior frontal sulcus
- inferior occipital sulcus
- inferior temporal sulcus
- interhemispheric fissure
- intraparietal sulcus
- lateral (Sylvian) sulcus
- lateral occipital sulcus
- marginal sulcus
- occipitotemporal sulcus
- olfactory sulcus
- paracentral sulcus
- paraolfactory sulcus
- parieto-occipital fissure
- posterior parolfactory sulcus
- precentral sulcus
- preoccipital notch
- postcentral sulcus
- rhinal sulcus
- rostral sulcus
- subparietal sulcus
- superior frontal sulcus
- superior occipital sulcus
- superior temporal sulcus
- cortical histology
- cerebral lobes and gyri
- white matter tracts
- deep grey matter
-
pituitary gland
- posterior pituitary and stalk (part of diencephalon)
- anterior pituitary
- inferior hypophyseal arterial circle
- diencephalon
-
cerebral hemisphere (telencephalon)
-
brainstem
- midbrain (mesencephalon)
- pons (part of metencephalon)
- medulla oblongata (myelencephalon)
- white matter
-
grey matter
- non-cranial nerve
-
cranial nerve nuclei
- oculomotor nucleus
- Edinger-Westphal nucleus
- trochlear nucleus
- motor nucleus of CN V
- mesencephalic nucleus of CN V
- main sensory nucleus of CN V
- spinal nucleus of CN V
- abducent nucleus
- facial nucleus
- superior salivatory nucleus
- cochlear nuclei
- vestibular nuclei
- inferior salivatory nucleus
- solitary tract nucleus
- ambiguus nucleus
- dorsal vagal motor nucleus
- hypoglossal nucleus
-
cerebellum (part of metencephalon)
- vermis
- cerebellar hemisphere
- cerebellar peduncles
- cranial meninges (meninx primitiva)
- CSF spaces
-
cranial nerves (mnemonic)
- olfactory nerve (CN I)
- optic nerve (CN II)
- oculomotor nerve (CN III)
- trochlear nerve (CN IV)
- trigeminal nerve (CN V) (mnemonic)
- abducens nerve (CN VI)
- facial nerve (CN VII) (segments mnemonic | branches mnemonic)
-
vestibulocochlear nerve (CN VIII)
- vestibular ganglion (Scarpa's ganglion)
- glossopharyngeal nerve (CN IX)
- vagus nerve (CN X)
- spinal accessory nerve (CN XI)
- hypoglossal nerve (CN XII)
- functional neuroanatomy
- CNS development
- cerebral vascular supply
- arteries
- vascular territories
-
circle of Willis
- internal carotid artery (ICA) (segments)
- vertebral artery
-
normal variants
- intracranial arterial fenestration
- internal carotid artery (ICA)
- anterior cerebral artery (ACA)
- middle cerebral artery (MCA)
- posterior cerebral artery (PCA)
- basilar artery
- persistent carotid-vertebrobasilar artery anastomoses (mnemonic)
- vertebral artery
- ophthalmic artery
-
cerebral venous system
-
dural venous sinuses
- basilar venous plexus
- cavernous sinus (mnemonic)
- clival diploic veins
- inferior petro-occipital vein
- inferior petrosal sinus
- inferior sagittal sinus
- intercavernous sinus
- internal carotid artery venous plexus of Rektorzik
- jugular bulb
- marginal sinus
- occipital sinus
- sigmoid sinus
- sphenoparietal sinus
- straight sinus
- superior petrosal sinus
- superior sagittal sinus
- torcula herophili
- transverse sinus
-
cerebral veins
-
superficial veins of the brain
- superior cerebral veins (superficial cerebral veins)
- inferior cerebral veins
- superficial middle cerebral vein
- superior anastomotic vein (of Trolard)
- inferior anastomotic vein (of Labbe)
-
superficial veins of the brain
-
deep veins of the brain
- great cerebral vein (of Galen)
- venous circle of Trolard
- normal variants
-
dural venous sinuses
- arteries
- glymphatic pathway
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