Multiple osteomas of the falx cerebri and anterior skull base: case report

Krisht, Khaled M.; Palmer, Cheryl A.; Couldwell, William T.

doi:10.3171/2015.6.jns15865

Cited by 7 publications

(5 citation statements)

References 19 publications

(22 reference statements)

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“…The occurrence of intracranial osteomas is extremely rare, usually single in number, and mostly develops along the inner table of skull bone or the convexity of meninges [ 5 ]. Among them, only a small percentage of cases show origin from falx and no case from tentorium.…”

Section: Discussionmentioning

confidence: 99%

“…Osteoma shows mature lamellar bone in trabeculae with fibrovascular stroma surrounded by osteoblasts. But, long-standing osteomas may lose this osteoblastic activity [ 5 ]. On MRI scan, the differential diagnosis for osteomas are meningiomas, chordomas, and schwannomas.…”

Section: Introductionmentioning

confidence: 99%

“…On MRI scan, the differential diagnosis for osteomas are meningiomas, chordomas, and schwannomas. So, recently 3D CT reconstruction is used for its accurate localization and morphology [ 5 ].…”

Section: Introductionmentioning

confidence: 99%

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A Rare Occurrence of Multiple Intracranial Osteomas in the Cranial Cavity of a Cadaver With a Short Review on Subdural Osteoma

Kar¹,

Gaikwad²,

Patnaik³

2021

Cureus

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Osteomas are most common among all primary bone tumors of skull bones. They are usually asymptomatic due to their small size and slow growth. They are found incidentally on imaging studies for other neurologic symptoms. Osteoma may be single or multiple when present. They should be differentiated from meningiomas, chordomas, schwannomas, and parosteal osteosarcoma by using different diagnostic methods, including histopathologic study.During routine dissection for MBBS students in an 87 years old female cadaver, we found multiple (seven in number) irregular, lobulated bony masses/structures. Their positions were different with respect to the layers of meninges. Some were present between the dura mater and arachnoid mater compressing the adjacent brain tissues forming impressions on them, and some were outside the dura mater. So, into the previously existing classification, we want to add a new variety under the type b category, i.e., mixed type (intraparenchymal, dural, skull vault) as pointed under the subtype V, which is found in our case.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A Rare Occurrence of Multiple Intracranial Osteomas in the Cranial Cavity of a Cadaver With a Short Review on Subdural Osteoma

Kar¹,

Gaikwad²,

Patnaik³

2021

Cureus

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“…Finally, 18 papers were included in the qualitative analysis [ Figure 1 ]. [ 2 , 4 - 8 , 12 - 13 , 17 , 20 ]…”

Section: Methodsmentioning

confidence: 99%

Solitary subdural osteomas: Systematic review of the literature with an illustrative case

Colamaria¹,

Sacco²,

Iodice³

et al. 2022

Surgical Neurology International

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Background: Subdural osteomas represent an extremely rare entity with only 20 cases described to date. Despite the typical benign behavior, these tumors can grow to compress the brain and occasionally detach from the dura mater. Methods: A systematic search of the literature was performed in compliance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. After screening for duplicates, 179 publications met the eligibility criteria. Finally, 18 manuscripts were included in this review. Moreover, a detailed description of an illustrative case is provided. Results: The median age at diagnosis was 43.2 years, showing a female prevalence. The inner table of the frontal bone was reported as the most frequent location, and in six cases, the lesions did not show any relation with the dura, which appeared intact. Surgical resection appears to be an effective and safe management option. In the present work, the case of a 60-year-old female who presented with persistent, diffuse headaches which had first occurred 6 months earlier is described. On admission, the physical and neurological examinations were unremarkable, and her medical history disclosed no systemic disease, meningitis, or head injury. Computed tomography showed a homogeneous, high-density nodule attached to the inner table of the left middle cranial fossa. Conclusion: In addition to an in-depth case description, the first systematic and qualitative review of the literature on intracranial subdural osteomas using the PRISMA is provided.

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confidence: 99%

Middle Fossa Approach to an Osteoma of the Internal Auditory Canal Facilitated by Augmented Reality: 2-Dimensional Operative Video

Peña

Stonnington

Bendok

et al. 2023

Operative Neurosurgery

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Petrous bone osteomas are benign bony lesions that are often asymptomatic and incidentally found. 1 When present in this location, these lesions can compress the facial and vestibulocochlear nerves, leading to tinnitus, vertigo, sensorineural hearing loss, hemifacial spasm, or facial palsy. 2,3 Most cases of osteomas do not require any treatment and are safe to observe. However, in symptomatic patients in the setting of a large osteoma with severe compression of the vestibulocochlear or facial nerves, treatment can be considered to alleviate mass effect and prevent further neurological deterioration. Here, we present the resection of a left-sided osteoma of the internal auditory canal (IAC) through a middle fossa approach in a 46-year-old woman who presented with symptoms of tinnitus, mild unilateral sensorineural hearing loss, and recurrent vertigo episodes. We demonstrate the use of intraoperative augmented reality to project the osteoma and surrounding neurological structures intermittently through the microscope oculars. The patient had an uneventful postoperative course with preservation of her facial nerve function, and at the 6-month follow-up, the patient reported resolution of her vertigo as well as improvement in her left-sided hearing. Intraoperative image guidance with augmented reality is useful in the resection of complex IAC osteomas, particularly given that these tumors are bony and fixed to the petrous bone. Drilling guides can be planned and projected onto the patient's anatomy to accurately target the optimal location to drill and ensure complete removal of the tumor. The patient consented to the procedure and to the publication of her image. The video and the Mayo Clinic logo within the video are used with permission of Mayo Foundation for Medical Education and Research, all rights reserved.

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Multiple osteomas of the falx cerebri and anterior skull base: case report

Cited by 7 publications

References 19 publications

A Rare Occurrence of Multiple Intracranial Osteomas in the Cranial Cavity of a Cadaver With a Short Review on Subdural Osteoma

A Rare Occurrence of Multiple Intracranial Osteomas in the Cranial Cavity of a Cadaver With a Short Review on Subdural Osteoma

Solitary subdural osteomas: Systematic review of the literature with an illustrative case

Middle Fossa Approach to an Osteoma of the Internal Auditory Canal Facilitated by Augmented Reality: 2-Dimensional Operative Video

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