Aneurysm in the anterior inferior cerebellar artery-posterior inferior cerebellar artery variant: Case report and review of literature
•We reported a case of an aneurysm in the AICA-PICA variant which was subsequently excised.•Considerable variation exists in the anatomy of the vertebrobasilar system.•Understanding the variations and the aneurysms that may arise from them is an important aspect of neurosurgical practice. There are...
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| Published in | International journal of surgery case reports Vol. 22; pp. 23 - 27 |
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| Main Authors | , , , |
| Format | Journal Article |
| Language | English |
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Elsevier Ltd
01.01.2016
Elsevier |
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| Abstract | •We reported a case of an aneurysm in the AICA-PICA variant which was subsequently excised.•Considerable variation exists in the anatomy of the vertebrobasilar system.•Understanding the variations and the aneurysms that may arise from them is an important aspect of neurosurgical practice.
There are variations in the anatomy of the vertebrobasilar system amongst which the Anterior Inferior Cerebellar Artery-Posterior Inferior Cerebellar Artery (AICA-PICA) variant is thought to have a prevalence of 20–24% (based on retrospective studies). Despite this, aneurysms of the AICA-PICA variant are rare. We present a case of an AICA-PICA aneurysm and discuss its presentation and management, along with a review of literature.
We describe the case of a 35 year old female who presented with signs of meningismus. On the basis of radiological imaging it was initially misdiagnosed as a thrombosed arteriovenous malformation (AVM). The patient was eventually discharged with a plan of interval imaging and interventional radiology (if required). The patient presented again with similar signs and symptoms. Re-evaluation of imaging revealed an aneurysm of the AICA-PICA variant which was managed surgically.
Aneurysms of the AICA-PICA variant are rare. The radiological features and surgical management represent a unique clinical entity and are discussed below.
The prevalence of the AICA-PICA variant might be high but aneurysms in this vessel are rare. The scant knowledge available on this subject makes it a diagnostic difficulty. |
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| AbstractList | There are variations in the anatomy of the vertebrobasilar system amongst which the Anterior Inferior Cerebellar Artery-Posterior Inferior Cerebellar Artery (AICA-PICA) variant is thought to have a prevalence of 20-24% (based on retrospective studies). Despite this, aneurysms of the AICA-PICA variant are rare. We present a case of an AICA-PICA aneurysm and discuss its presentation and management, along with a review of literature.
We describe the case of a 35 year old female who presented with signs of meningismus. On the basis of radiological imaging it was initially misdiagnosed as a thrombosed arteriovenous malformation (AVM). The patient was eventually discharged with a plan of interval imaging and interventional radiology (if required). The patient presented again with similar signs and symptoms. Re-evaluation of imaging revealed an aneurysm of the AICA-PICA variant which was managed surgically.
Aneurysms of the AICA-PICA variant are rare. The radiological features and surgical management represent a unique clinical entity and are discussed below.
The prevalence of the AICA-PICA variant might be high but aneurysms in this vessel are rare. The scant knowledge available on this subject makes it a diagnostic difficulty. • We reported a case of an aneurysm in the AICA-PICA variant which was subsequently excised. • Considerable variation exists in the anatomy of the vertebrobasilar system. • Understanding the variations and the aneurysms that may arise from them is an important aspect of neurosurgical practice. Highlights • We reported a case of an aneurysm in the AICA-PICA variant which was subsequently excised. • Considerable variation exists in the anatomy of the vertebrobasilar system. • Understanding the variations and the aneurysms that may arise from them is an important aspect of neurosurgical practice. There are variations in the anatomy of the vertebrobasilar system amongst which the Anterior Inferior Cerebellar Artery-Posterior Inferior Cerebellar Artery (AICA-PICA) variant is thought to have a prevalence of 20-24% (based on retrospective studies). Despite this, aneurysms of the AICA-PICA variant are rare. We present a case of an AICA-PICA aneurysm and discuss its presentation and management, along with a review of literature.INTRODUCTIONThere are variations in the anatomy of the vertebrobasilar system amongst which the Anterior Inferior Cerebellar Artery-Posterior Inferior Cerebellar Artery (AICA-PICA) variant is thought to have a prevalence of 20-24% (based on retrospective studies). Despite this, aneurysms of the AICA-PICA variant are rare. We present a case of an AICA-PICA aneurysm and discuss its presentation and management, along with a review of literature.We describe the case of a 35 year old female who presented with signs of meningismus. On the basis of radiological imaging it was initially misdiagnosed as a thrombosed arteriovenous malformation (AVM). The patient was eventually discharged with a plan of interval imaging and interventional radiology (if required). The patient presented again with similar signs and symptoms. Re-evaluation of imaging revealed an aneurysm of the AICA-PICA variant which was managed surgically.PRESENTATION OF CASEWe describe the case of a 35 year old female who presented with signs of meningismus. On the basis of radiological imaging it was initially misdiagnosed as a thrombosed arteriovenous malformation (AVM). The patient was eventually discharged with a plan of interval imaging and interventional radiology (if required). The patient presented again with similar signs and symptoms. Re-evaluation of imaging revealed an aneurysm of the AICA-PICA variant which was managed surgically.Aneurysms of the AICA-PICA variant are rare. The radiological features and surgical management represent a unique clinical entity and are discussed below.DISCUSSIONAneurysms of the AICA-PICA variant are rare. The radiological features and surgical management represent a unique clinical entity and are discussed below.The prevalence of the AICA-PICA variant might be high but aneurysms in this vessel are rare. The scant knowledge available on this subject makes it a diagnostic difficulty.CONCLUSIONThe prevalence of the AICA-PICA variant might be high but aneurysms in this vessel are rare. The scant knowledge available on this subject makes it a diagnostic difficulty. •We reported a case of an aneurysm in the AICA-PICA variant which was subsequently excised.•Considerable variation exists in the anatomy of the vertebrobasilar system.•Understanding the variations and the aneurysms that may arise from them is an important aspect of neurosurgical practice. There are variations in the anatomy of the vertebrobasilar system amongst which the Anterior Inferior Cerebellar Artery-Posterior Inferior Cerebellar Artery (AICA-PICA) variant is thought to have a prevalence of 20–24% (based on retrospective studies). Despite this, aneurysms of the AICA-PICA variant are rare. We present a case of an AICA-PICA aneurysm and discuss its presentation and management, along with a review of literature. We describe the case of a 35 year old female who presented with signs of meningismus. On the basis of radiological imaging it was initially misdiagnosed as a thrombosed arteriovenous malformation (AVM). The patient was eventually discharged with a plan of interval imaging and interventional radiology (if required). The patient presented again with similar signs and symptoms. Re-evaluation of imaging revealed an aneurysm of the AICA-PICA variant which was managed surgically. Aneurysms of the AICA-PICA variant are rare. The radiological features and surgical management represent a unique clinical entity and are discussed below. The prevalence of the AICA-PICA variant might be high but aneurysms in this vessel are rare. The scant knowledge available on this subject makes it a diagnostic difficulty. |
| Author | Azeem, Abdul Javed, Gohar Akhtar, Saad Jiwani, Amyna |
| AuthorAffiliation | a Section of Neurosurgery, Department of Surgery, Aga Khan University Hospital, Karachi, Pakistan b Medical College, The Aga Khan University, Karachi, Pakistan d Section of Neurosurgery, Department of Surgery, Aga Khan University Hospital, Karachi, Pakistan c Section of General Surgery, Department of Surgery, Aga Khan University Hospital, Karachi, Pakistan |
| AuthorAffiliation_xml | – name: b Medical College, The Aga Khan University, Karachi, Pakistan – name: c Section of General Surgery, Department of Surgery, Aga Khan University Hospital, Karachi, Pakistan – name: d Section of Neurosurgery, Department of Surgery, Aga Khan University Hospital, Karachi, Pakistan – name: a Section of Neurosurgery, Department of Surgery, Aga Khan University Hospital, Karachi, Pakistan |
| Author_xml | – sequence: 1 givenname: Saad surname: Akhtar fullname: Akhtar, Saad email: saad.akhtar@aku.edu organization: Section of Neurosurgery, Department of Surgery, Aga Khan University Hospital, Karachi, Pakistan – sequence: 2 givenname: Abdul surname: Azeem fullname: Azeem, Abdul email: abdulazeem22@hotmail.com organization: Medical College, The Aga Khan University, Karachi, Pakistan – sequence: 3 givenname: Amyna surname: Jiwani fullname: Jiwani, Amyna email: amyna.jiwani@gmail.com organization: Section of General Surgery, Department of Surgery, Aga Khan University Hospital, Karachi, Pakistan – sequence: 4 givenname: Gohar surname: Javed fullname: Javed, Gohar email: gohar.javed@aku.edu organization: Section of Neurosurgery, Department of Surgery, Aga Khan University Hospital, Karachi, Pakistan |
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| Cites_doi | 10.1054/jocn.2001.0945 10.1007/s10143-012-0390-5 10.1007/s00701-015-2500-y 10.1080/02688690902987778 10.3174/ajnr.A2360 10.1016/j.inat.2015.04.003 10.1016/j.diii.2015.06.002 10.1161/01.STR.20.12.1741 10.1055/s-2004-828703 10.1227/NEU.0000000000000312 10.1227/01.NEU.0000199344.63306.DD |
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| Snippet | •We reported a case of an aneurysm in the AICA-PICA variant which was subsequently excised.•Considerable variation exists in the anatomy of the vertebrobasilar... Highlights • We reported a case of an aneurysm in the AICA-PICA variant which was subsequently excised. • Considerable variation exists in the anatomy of the... There are variations in the anatomy of the vertebrobasilar system amongst which the Anterior Inferior Cerebellar Artery-Posterior Inferior Cerebellar Artery... • We reported a case of an aneurysm in the AICA-PICA variant which was subsequently excised. • Considerable variation exists in the anatomy of the... |
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| SubjectTerms | AICA-PICA variant Aneurysm Case Report Surgery |
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| Title | Aneurysm in the anterior inferior cerebellar artery-posterior inferior cerebellar artery variant: Case report and review of literature |
| URI | https://www.clinicalkey.com/#!/content/1-s2.0-S2210261216300116 https://www.clinicalkey.es/playcontent/1-s2.0-S2210261216300116 https://dx.doi.org/10.1016/j.ijscr.2016.03.006 https://www.ncbi.nlm.nih.gov/pubmed/27017276 https://www.proquest.com/docview/1784745499 https://pubmed.ncbi.nlm.nih.gov/PMC4844662 |
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