Intradiploic meningoencephalocele

Peters, Jutta; Raab, P.; Marquardt, G.; Zanella, F.

doi:10.1007/s00330-002-1449-4

Cited by 18 publications

(14 citation statements)

References 5 publications

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“…Congenital encephaloceles are situated in the midline and are generally accompanied by other malformations. 1–5,7,8 None of the previously reported cases exhibit these characteristics, suggesting that they were not congenital in origin. Additionally, in congenital encephaloceles the discontinuity affects the outer and inner tables, unlike the presentation in intradiploic encephaloceles.…”

Section: Discussionmentioning

confidence: 88%

“…Negative pressure would occur after the impact due to shrinkage of the broken inner table, causing herniation of brain tissue and CSF to the intradiploic space. 2,4,5 However it is difficult to document the trauma that could have caused the bone defect due to the limitations in obtaining a detailed history in these patients, as a minimal trauma is easily overlooked, especially as it may have taken place in childhood. 1,2,4–8 Somewhat more controversial is the possibility that the present case might be a congenital anomaly.…”

Section: Discussionmentioning

confidence: 99%

“…The occipital region is the most common location (75%) and encephaloceles in this region are frequently associated with other malformations such as agenesis of the corpus callosum, Chiari II malformation and Dandy–Walker syndrome. 1–3 Outside the midline, they are even more unusual. Only eight cases have been reported in the literature within the cranial diploe.…”

Section: Introductionmentioning

confidence: 99%

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Parietal intradiploic encephalocele: Report of a case and review of the literature

Arévalo-Pérez

Millan-Juncos

2015

Neuroradiol J

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Encephaloceles consist of brain tissue and meninges that has herniated through a skull defect, usually located in the midline. They are seen more commonly in children and very rarely in adults. We present a case of an 84-year-old patient who was incidentally diagnosed with a lytic bone lesion in the right parietal intradiploic space, after computed tomography of the head was performed. A magnetic resonance imaging scan of the brain showed herniation of brain tissue through the defect. Magnetic resonance imaging was crucial in demonstrating the presence of parenchyma and its continuity with the rest of the brain, consequently distinguishing it from other entities. We report the imaging findings of a parietal indradiploic encephalocele with its differential diagnosis and a review of the relevant literature.

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Section: Discussionmentioning

confidence: 88%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Parietal intradiploic encephalocele: Report of a case and review of the literature

Arévalo-Pérez

Millan-Juncos

2015

Neuroradiol J

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“…Of the ten previously reported cases, nine presented within the parietal bone, and the tenth occurred within the frontal bone. [ 1 3 4 7 8 9 12 13 15 ] It is important to note that the etiology of the single case within the frontal bone was iatrogenic, occurring after an accidental tear of the dura during a craniosynostosis repair. [ 9 ] The presentation of intradiploic meningoencephaloceles tends to be associated with the location of the lesion and includes a headache, focal weakness, and seizures.…”

Section: Discussionmentioning

confidence: 99%

“…Eight of these cases were encephaloceles of the parietal bone, and the ninth was an iatrogenic encephalocele of the frontal bone. [ 1 3 4 7 8 9 12 13 15 ] We report the first spontaneous intradiploic meningoencephalocele of the frontal bone, which we hypothesize to be secondary to trauma from the distant past.…”

Section: Introductionmentioning

confidence: 96%

Spontaneous frontal intradiploic meningoencephalocele

2015

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Background:Since 1976, 10 cases of intradiploic encephaloceles have been reported in the literature. This case is the first report of a spontaneous intradiploic meningoencephalocele of the frontal bone hypothesized to be secondary to distant head trauma.Case Description:A 60-year-old female with a history of multiple traumatic head injuries as a child presenting with new onset generalized tonic-clonic seizures. Work-up revealed a right frontal epileptic focus. Imaging showed a right frontal intradiploic lesion. The patient underwent surgical resection, which during exploration was found to be an intradiploic encephalocele. She had an uneventful postoperative course with a resolution of seizures.Conclusions:The authors hypothesize that the rare nature of posttraumatic frontal intradiploic encephaloceles is due to the increased thickness of the frontal bone compared to the parietal bone.

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Cerebrospinal Fluid Rhinorrhea and a Lytic-Appearing Lesion of the Posterior Cranial Fossa

Mehta

Naples

Eisen

2018

JAMA Otolaryngol Head Neck Surg

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A man in his 60s presented to the otolaryngology clinic with a 1-month history of clear drainage from his left naris during activity. Approximately 1 month prior he had been admitted to the hospital and treated for meningitis. During his hospital course, a computed tomographic (CT) scan of his head revealed a lytic lesion of the left occipital bone. After treatment with intravenous antibiotics and steroids, his neurologic examination results returned to baseline, and he was discharged home. Magnetic resonance imaging (MRI) was deferred to the outpatient setting. At the otolaryngologist's office, the patient stated that he had not experienced otalgia, otorrhea, tinnitus, or vertigo. His examination revealed clear nasal discharge and a normal otoscopic finding. His audiogram demonstrated normal sloping to moderate sensorineural hearing loss with type A tympanometry result on the right and type A on the left. His word recognition score was 100% bilaterally. The collection of nasal discharge for β-2 transferrin analysis was attempted, but insufficient quantity was obtained. To evaluate for a skull base defect and cerebrospinal fluid (CSF) leak, a noncontrast CT scan of the temporal bones was obtained (Figure , A and B). This demonstrated a large area of bony destruction and osteolysis involving the left occipital bone. A T2-weighted MRI sequence showed a lesion, isointense to CSF, with thinning of the bony cortex (Figure, C and D). Based on the imaging, the differential diagnosis included metabolic, infectious, or metastatic lesions to the bone.

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Intradiploic meningoencephalocele

Cited by 18 publications

References 5 publications

Parietal intradiploic encephalocele: Report of a case and review of the literature

Parietal intradiploic encephalocele: Report of a case and review of the literature

Spontaneous frontal intradiploic meningoencephalocele

Cerebrospinal Fluid Rhinorrhea and a Lytic-Appearing Lesion of the Posterior Cranial Fossa

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