Cavernous angioma presenting with subarachnoid hemorrhage which was diffusely distributed in the basal cisterns and mimicked intracranial aneurysm rupture

Uneda, Atsuhito; Yabuno, Satoru; Kanda, Takahiro; Suzuki, Kenta; Hirashita, Koji; Yunoki, Masatoshi; Yoshino, Katsumi

doi:10.4103/sni.sni_210_17

Cited by 9 publications

(8 citation statements)

References 12 publications

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“…Hemorrhage when resulting from CCM is usually intraparenchymal in nature although a few cases have been reported to be extra-axial, out of which the so-called angiographically occult SAH is rare. [18] Indeed, SAH as the presentation of CCM is extremely rare and only two such cases reported in English literature of adult patients. [18,20] Furthermore, isolated SAH as the CCM presentation in pediatric patient had not been reported to the best of our knowledge.…”

Section: Discussionmentioning

confidence: 99%

“…[18] Indeed, SAH as the presentation of CCM is extremely rare and only two such cases reported in English literature of adult patients. [18,20] Furthermore, isolated SAH as the CCM presentation in pediatric patient had not been reported to the best of our knowledge. Out of the reported cases, only one case presented an isolated SAH restricted to basal cisterns mimicking a ruptured aneurysm which is very similar to the postmortem findings of our patient.…”

Section: Discussionmentioning

confidence: 99%

“…Out of the reported cases, only one case presented an isolated SAH restricted to basal cisterns mimicking a ruptured aneurysm which is very similar to the postmortem findings of our patient. [18] It is widely accepted that about 0.5% of the general population bear at least a single CCM by the fourth decade of life. [3] Although the prevalence slowly increases with the advancing age, CCMs are known to affect the whole age spectrum, among which the pediatric population represent one-quarter of the diagnosed individuals.…”

Section: Discussionmentioning

confidence: 99%

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Cerebral cavernous malformation in a child leading to a fatal subarachnoid hemorrhage – “silent but sinister:” A case report and literature review

Fernando

Munasinghe

Jayamanne

et al. 2021

Surgical Neurology International

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Background: Cerebral cavernous malformations (CCMs), otherwise known as cavernous hemangiomas/ cavernomas, are a type of vascular malformation. It is the third most common cerebral vascular malformation, histologically characterized by ectatic, fibrous, blood filled “caverns” with thin-walled vasculature without intervening normal brain parenchyma. Case Description: Herein, we present a case of an original, spontaneous hemorrhage from a sporadic form of CCM without associated gross developmental venous anomaly in an 11-year-old child, which is an extremely rare occurrence, with the special emphasis on the demographic data of the affected population, risk factors associated with hemorrhage, and correlation of histopathological and radiological findings with an in-depth literature review. Conclusion: The significant majority of the CCM are clinically occult. Hence, the development of risk assessment tools and guidelines for timely neurosurgical intervention poses a greater clinical challenge for medical experts rendering the management of the affected individuals with CCM in an anecdotal situation. Presentation of life-threatening rebleeds and neurological deficits in the diagnosed population albeit uncommon is possibly preventable outcomes.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Cerebral cavernous malformation in a child leading to a fatal subarachnoid hemorrhage – “silent but sinister:” A case report and literature review

Fernando

Munasinghe

Jayamanne

et al. 2021

Surgical Neurology International

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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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“…In others, the MRI showed inconclusive findings suggesting partially or completely thrombosed aneurysms [19,20]. Interestingly, there were two cases of acute subarachnoid hemorrhage associated with CCM [19,21], and two cases of intracranial hemorrhage with CCM [22,23]. advised to continue on the anti-epileptic drugs for up to two years.…”

Section: Case Presentationmentioning

confidence: 99%

Gyrus Rectus Cavernoma Masquerading as an Intracranial Aneurysm: A Case Report and Review of Literature

Kareem¹,

Arnaout²,

Al-Baidar³

et al. 2021

Neurosurg Cases Rev

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Cavernous angioma presenting with subarachnoid hemorrhage which was diffusely distributed in the basal cisterns and mimicked intracranial aneurysm rupture

Cited by 9 publications

References 12 publications

Cerebral cavernous malformation in a child leading to a fatal subarachnoid hemorrhage – “silent but sinister:” A case report and literature review

Cerebral cavernous malformation in a child leading to a fatal subarachnoid hemorrhage – “silent but sinister:” A case report and literature review

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

Gyrus Rectus Cavernoma Masquerading as an Intracranial Aneurysm: A Case Report and Review of Literature

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