Retromedullary Hemangioblastoma Mimicking a Posterior Inferior Cerebellar Artery Aneurysm: Case Report and Literature Review

Patel, Nitesh P.; Robinson, Timothy; Lesley, Walter S.; Garrett, David; Yuan, Shan; Huang, Jason H.

doi:10.1016/j.wneu.2018.10.188

Cited by 4 publications

(6 citation statements)

References 17 publications

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“…The PICA can supply many brain tumors including hemangioblastoma, ependymoma, subependymoma, papillomas of the choroid plexus and meningioma 8 , 177 - 180 . Patel et al reported a patient whose retromedullary hemangioblastoma was misdiagnosed as PICA aneurysm and angiography showed supply from PICA.…”

Section: Other Diseasesmentioning

confidence: 99%

“…Patel et al reported a patient whose retromedullary hemangioblastoma was misdiagnosed as PICA aneurysm and angiography showed supply from PICA. Endovascular embolization failed and microsurgical specimen revealed the diagnosis of hemangioblastoma, which hinted the rare differential diagnosis of PICA aneurysms 177 . Yan et al reported that a meningioma at craniocervical junction was adhering to VA and PICA.…”

Section: Other Diseasesmentioning

confidence: 99%

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Clinical Importance of the Posterior Inferior Cerebellar Artery: A Review of the Literature

Miao¹,

Zhang²,

Wang³

et al. 2020

Int. J. Med. Sci.

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The posterior inferior cerebellar artery (PICA), with its unique anatomical complexity, is of great clinical importance and involved in many diseases including aneurysm, ischemic stroke, neurovascular compression syndrome (NVCS), arteriovenous malformation (AVM), and brain tumor. However, a comprehensive systematic review of the importance of the PICA is currently lacking. In this study, we perform a literature review of PICA by searching all the associated papers in the PUBMED database hoping to provide a better understanding of the artery. The PICA has tortuous and variable course and territory, divided into 5 segments. Various aneurysms involving PICA were not uncommon, of which the treatment is challenging. The PICA infarct typically manifests lateral medullary syndrome (LMS) and is more likely to cause mass effects. The PICA frequently compresses the medulla and the cranial nerves resulting in various neurovascular compression syndromes (NVCS). Arteriovenous malformation (AVM) fed by PICA are associated with aneurysm and dissection which have high risk of rupture and worse outcome. PICA injured by head trauma can cause fatal SAH. VA terminating in PICA probably cause Bow hunter's syndrome (BHS). The PICA supplies many brain tumors and can be used in intracerebellar chemotherapy. The PICA can be exposed and injured during surgeries especially in telovelar approach, and it also plays an important role in bypass surgeries, hinting the surgical importance of PICA. In conclusion, PICA is very important in clinical practice.

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Section: Other Diseasesmentioning

confidence: 99%

Section: Other Diseasesmentioning

confidence: 99%

Clinical Importance of the Posterior Inferior Cerebellar Artery: A Review of the Literature

Miao¹,

Zhang²,

Wang³

et al. 2020

Int. J. Med. Sci.

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“…There are some reports that other bleeding sources, such as DAVF,[ 1 , 3 , 11 , 13 ] cavernomas,[ 18 , 21 ] hemangioblastomas,[ 7 , 15 ] arachnoid cyst,[ 17 ] and gliomas,[ 16 ] were mistaken for an aneurysmal rupture on initial imaging modalities. In addition, venous structures, such as a venous loop, can also be mistaken for aneurysms.…”

Section: Discussionmentioning

confidence: 99%

Intracranial varix of the transverse-sigmoid dural arteriovenous fistula mimicking a ruptured middle cerebral artery aneurysm: A case report

Onuma

Yanaka

Tsukada

et al. 2022

Surgical Neurology International

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Background: Hemorrhagic stroke is caused by various vascular abnormalities, such as aneurysms, arteriovenous malformations, and dural arteriovenous fistulas (DAVF). Magnetic resonance angiography (MRA) and three-dimensional computed tomography angiography (3DCTA) are used as efficient initial diagnostic modalities in assessing the etiology of hemorrhagic stroke. We describe the unusual case of a false-positive aneurysm on MRA and 3DCTA. Case Description: A 65-year-old nonhypertensive woman was brought to our hospital with a sudden onset of headache and left hemiparesis. She also had chemosis in the right eye. CT and magnetic resonance imaging showed an intracerebral hemorrhage in the right temporal lobe. MRA and 3DCTA showed a rounded mass suggestive of an aneurysm arising from the bifurcation of the middle cerebral artery (MCA) and also demonstrated an abnormal tortuous vessel contacting with a rounded mass. Digital subtraction angiography showed a transversesigmoid sinus DAVF with a varix in contact with the MCA bifurcation. Hematoma evacuation and venous drainage disconnection through the right frontotemporal craniotomy were performed. Conclusion: This case is very instructive and clinicians should keep in mind that detailed neurological and radiological examinations are essential in obtaining an accurate diagnosis, especially if the bleeding source is similar in shape and location to common lesions (such as a cerebral aneurysm).

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“…As in our case, the appearance of the nodule may mimic an aneurysm, which has also been reported previously. 4 However, the nodule seems to have an upward mass effect on the frontopolar artery, and the connection with this artery is not as clear as with saccular aneurysms. Moreover, the accompanying early filling vein is highly unusual for an aneurysm.…”

mentioning

confidence: 98%

“…On angiographic imaging, hemangioblastoma nodules are typically strongly and homogeneously enhanced because of their highly vascular nature. As in our case, the appearance of the nodule may mimic an aneurysm, which has also been reported previously . However, the nodule seems to have an upward mass effect on the frontopolar artery, and the connection with this artery is not as clear as with saccular aneurysms.…”

mentioning

confidence: 99%

Aneurysm-Mimicking Hemangioblastoma Presenting With Spontaneous Acute Subdural Hematoma

2021

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A 39-year-old man with a history of von Hippel-Lindau (VHL) syndrome presented with acute onset of headache at our emergency department. He previously underwent multiple neurosurgical resections of cerebellar and spinal hemangioblastomas. During his most recent surgery, which was roughly 1 year ago, a symptomatic right-sided large and cystic cerebellar hemangioblastoma was resected. The most recent radiological follow-up (2 months before presentation) showed multiple stable asymptomatic hemangioblastomas. Aside from the headache, the patient reported no other symptoms nor a history of head trauma. Neurological examination and coagulation assessments were normal.

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Retromedullary Hemangioblastoma Mimicking a Posterior Inferior Cerebellar Artery Aneurysm: Case Report and Literature Review

Cited by 4 publications

References 17 publications

Clinical Importance of the Posterior Inferior Cerebellar Artery: A Review of the Literature

Clinical Importance of the Posterior Inferior Cerebellar Artery: A Review of the Literature

Intracranial varix of the transverse-sigmoid dural arteriovenous fistula mimicking a ruptured middle cerebral artery aneurysm: A case report

Aneurysm-Mimicking Hemangioblastoma Presenting With Spontaneous Acute Subdural Hematoma

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