Aneurysm of the Distal Anterior Inferior Cerebellar Artery Unrelated to the Cerebellopontine Angle: Case Report

Neurosurgery ◽  
1991 ◽  
Vol 28 (6) ◽  
pp. 899-903 ◽  
Author(s):  
Katsumaro Oana ◽  
Toshiharu Murakami ◽  
Takaaki Beppu ◽  
Akira Yamaura ◽  
Haruyuki Kanaya
Keyword(s):  
Case Report ◽  
Cerebellopontine Angle ◽  
Lateral Position ◽  
Sudden Onset ◽  
Uneventful Recovery ◽  
Anterior Inferior Cerebellar Artery ◽  
Computed Tomographic ◽  
Suboccipital Craniectomy ◽  
Cerebellar Artery ◽  
Operative Findings

Abstract This is a case report of an unusual aneurysm of the distal anterior inferior cerebellar artery. A 44-year-old woman had a severe frontal headache and vomiting of sudden onset. On the day after admission, the patient began to demonstrate nuchal rigidity and difficulty with upward gaze bilaterally. There were no complaints at this time suggestive of a syndrome of the cerebellopontine angle. A computed tomographic scan revealed an intraventricular hemorrhage of the 3rd and 4th ventricles; however, multiple attempts at four-vessel angiography were required before an aneurysm could be demon-strated. On the 28th hospital day, a suboccipital craniectomy using the retromastoid approach in the lateral position was performed. A saccular aneurysm with a surrounding hematoma in the distal anterior inferior cerebellar artery was found and clipped. The operative findings revealed that the aneurysm was unrelated to the cerebellopontine angle. After surgery, the patient had an uneventful recovery and complete resolution of symptoms.

EXTRACRANIAL ANEURYSM OF THE POSTERIOR INFERIOR CEREBELLAR ARTERY WITH AN ABERRANT ORIGINATION

Neurosurgery ◽  
2007 ◽  
Vol 61 (5) ◽  
pp. E1097-E1098 ◽  
Author(s):  
Seyed Ali Fakhr Tabatabai ◽  
Mehdi Zeinali Zadeh ◽  
Ali Tayebi Meybodi ◽  
Mohammad Hashemi
Keyword(s):  
Posterior Inferior Cerebellar Artery ◽  
Computed Tomographic Angiography ◽  
Sudden Onset ◽  
Anterior Inferior Cerebellar Artery ◽  
Computed Tomographic ◽  
Suboccipital Craniectomy ◽  
Cerebellar Artery ◽  
Upper Cervical ◽  
The Right ◽  
Tomographic Angiography

Abstract OBJECTIVE Aneurysms of the extracranially originating posterior inferior cerebellar artery are very rare. An anatomic insight of its possible course and variations is necessary when confronting such extraordinary lesions. CLINICAL PRESENTATION A 19-year-old man presented with the sudden onset of severe headaches. A physical examination was positive only for neck rigidity. Computed tomographic scans of the brain depicted intraventricular hemorrhage. TECHNIQUE AND INTERVENTION Four-vessel brain digital subtraction angiography revealed an extracranial posterior inferior cerebellar artery arising extradurally from the right vertebral artery between the C1 and C2 vertebrae, bearing a saccular aneurysm in an upper cervical intradural location. An anterior inferior cerebellar artery-posterior inferior cerebellar artery variant was also found on the left side. Computed tomographic angiography failed to unmask the lesion. The aneurysm was clipped through a suboccipital craniectomy and C1 laminectomy. CONCLUSION The patient did well after surgery and was discharged from the hospital without neurological deficit. One can conclude that a comprehensive diagnostic approach oriented to the patient history and clinical data is mandatory to preclude such lesions evading the vigilant surgeon.

Anterior inferior cerebellar artery aneurysm

1983 ◽  
Vol 59 (4) ◽  
pp. 697-702 ◽  
Author(s):  
Akira Nishimoto ◽  
Shunichiro Fujimoto ◽  
Shoji Tsuchimoto ◽  
Yuzo Matsumoto ◽  
Kazuo Tabuchi ◽  
...  
Keyword(s):  
Surgical Procedures ◽  
Cerebellopontine Angle ◽  
Artery Aneurysm ◽  
Anterior Inferior Cerebellar Artery ◽  
Content Type ◽  
Aneurysm Neck ◽  
The Third ◽  
Suboccipital Craniectomy ◽  
Cerebellar Artery ◽  
Fine Print

✓ Three cases of aneurysms of the anterior inferior cerebellar artery are reported. Two of the aneurysms were located in the cerebellopontine angle and one in the ventral portion of the pons. Through a suboccipital craniectomy, neck clipping was perfomed on one aneurysm, neck ligation on another, and coating on the third. A discussion of the surgical procedures and complications includes a review of previous reports.

Isolated Trigeminal Sensory Loss Secondary to a Distal Anterior Inferior Cerebellar Artery Aneurysm: Case Report

Neurosurgery ◽  
1991 ◽  
Vol 28 (2) ◽  
pp. 288-291 ◽  
Author(s):  
Eric L. Zager
Keyword(s):  
Posterior Fossa ◽  
Cerebellopontine Angle ◽  
Imaging Study ◽  
Artery Aneurysm ◽  
Vascular Lesions ◽  
Sensory Loss ◽  
Anterior Inferior Cerebellar Artery ◽  
Cerebral Angiogram ◽  
Computed Tomographic ◽  
Cerebellar Artery

Abstract A previously healthy 25-year-old woman suddenly developed right-sided facial numbness and a headache. The neurological examination was within normal limits with the exception of meningismus and right-sided facial sensory loss. A computed tomographic scan and a magnetic resonance imaging study demonstrated an acute hematoma in the right cerebellopontine angle. A 4-vessel cerebral angiogram revealed no abnormalities. Posterior fossa exploration disclosed a large, partially thrombosed, fusiform anterior inferior cerebellar artery aneurysm, which indented the pons at the trigeminal root entry zone. The aneurysm was excised, and the patient made an excellent recovery. She was left with a persistent trigeminal sensory deficit. Anterior inferior cerebellar artery aneurysms are rare lesions that generally present with a cerebellopontine angle syndrome: occasionally, facial sensory loss is also a feature. Isolated trigeminal sensorv findings, as illustrated in this case, are extremely unusual in posterior fossa vascular lesions.

Hemifacial Spasm: Endoscopic Vascular Decompression

1997 ◽  
Vol 117 (4) ◽  
pp. 308-314 ◽  
Author(s):  
J. Magnan ◽  
F. Caces ◽  
P. Locatelli ◽  
A. Chays
Keyword(s):  
Hemifacial Spasm ◽  
Marked Improvement ◽  
Cerebellopontine Angle ◽  
Posterior Inferior Cerebellar Artery ◽  
Endoscopic Examination ◽  
Anterior Inferior Cerebellar Artery ◽  
Cerebellar Artery ◽  
The Mean ◽  
Vascular Decompression

Sixty patients with primitive hemifacial spasm were treated by means of a minimally invasive retrosigmoid approach in which endoscopic and microsurgical procedures were combined. Intraoperative endoscopic examination of the cerebellopontine angle showed that for 56 of the patients vessel-nerve conflict was the cause of hemifacial spasm. The most common offending vessel was the posterior inferior cerebellar artery (39 patients), next was the vertebral artery (23 patients), and last was the anterior inferior cerebellar artery (16 patients). Nineteen of the patients had multiple offending vascular loops. In one patient, another cause of hemifacial spasm was an epidermoid tumor of the cerebellopontine angle. For three patients, it was not possible to determine the exact cause of the facial disorder. Follow-up information was reviewed for 54 of 60 patients; the mean follow-up period was 14 months. Fifty of the patients were in the vessel-nerve conflict group. Forty of the 50 were free of symptoms, and four had marked improvement. The overall success rate was 88%, and there was minimal morbidity (no facial palsy, two cases of severe hearing loss).

scholarly journals Anterior Inferior Cerebellar Artery Syndrome Followed by Facial Nerve Paralysis; A Case Report.

1993 ◽  
Vol 86 (3) ◽  
pp. 315-320 ◽  
Author(s):  
Meiho Nakayama ◽  
Shigeru Inafuku ◽  
Isao Takimoto ◽  
Kaoru Suzuki ◽  
Noboru Matsumoto ◽  
...  
Keyword(s):  
Case Report ◽  
Facial Nerve ◽  
Anterior Inferior Cerebellar Artery ◽  
Facial Nerve Paralysis ◽  
Nerve Paralysis ◽  
Cerebellar Artery

scholarly journals Endovascular Approach of a Proximal Anterior Inferior Cerebellar Artery Aneurysm: Case Report

2016 ◽  
Vol 36 (01) ◽  
pp. 58-61 ◽  
Author(s):  
Arquimedes Cardoso ◽  
Luiz Lemos ◽  
Marcos Marques Júnior
Keyword(s):  
Cerebellopontine Angle ◽  
Artery Aneurysm ◽  
Signs And Symptoms ◽  
Anterior Inferior Cerebellar Artery ◽  
Parent Artery ◽  
Aneurysm Embolization ◽  
Cerebellar Artery ◽  
Significant Difference ◽  
Endovascular Approach ◽  
Neurovascular Structures

Anterior inferior cerebellar artery (AICA) aneurysms are extremely rare, accounting for only 0.75% of all intracranial aneurysms. The average age of patients suffering from those aneurysms found in the literature was 44 years, with no significant difference between the sexes. These aneurysms can manifest clinically through expansive symptoms in cerebellopontine angle or through signs and symptoms of subarachnoid hemorrhage, such as nausea, vomiting, headache, nystagmus and paresis. The gold standard exam for diagnosis is cerebral angiography. The treatment of these lesions is controversial. The main difficulty of the surgical treatment of these aneurysms is the location of the AICA, which lies close to critical neurovascular structures. In this article, we describe a proximal AICA aneurysm embolization without occlusion of the parent artery, with excellent results in the postoperative period.

Trigeminal Neuralgia Due to Anterior Inferior Cerebellar Artery Loop: A Case Report

2009 ◽  
Vol 24 (8) ◽  
pp. 989-990
Author(s):  
Roshan Koul ◽  
Amna Alfutaisi ◽  
Rajeev Jain ◽  
Faisal Alzri
Keyword(s):  
Case Report ◽  
Trigeminal Neuralgia ◽  
Anterior Inferior Cerebellar Artery ◽  
Cerebellar Artery
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