Nontraumatic intradiploic arachnoid cyst of the sphenoid bone

Lahiri, Ashim Kumar; Chilvers, G.

doi:10.1016/j.radcr.2018.02.011

Cited by 10 publications

(7 citation statements)

References 11 publications

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“…were the rst who used the term intradiploic arachnoid cyst in 1989 [19]. Among others there are leptomeningeal cyst or post-traumatic arachnoid cyst [13]. As the intradiploic arachnoid membrane can be compared to a pouch opening from one space to another, we are proposing term intradiploic arachnoid diverticulum as the more accurate for capture the essence of the phenomenon.…”

Section: Discussionmentioning

confidence: 99%

“…Arachnoid cysts (ACs) are benign collections of uid which develop inside arachnoid mater of the cranium or vertebral column [13]. ACs represent approximately 1% of all intracranial lesions, and they are most commonly found in the middle cranial fossa in the area of Sylvian ssure [18].…”

Section: Introductionmentioning

confidence: 99%

“…Comparison of arachnoid cysts and arachnoid diverticulae by MRI gives quite obvious radiologic visualization of the arachnoid cysts and diverticula. However, during management of AC-like lesion one should consider dermoid or epidermoid cyst, mucocele, aneurysmal bone cyst, plasmacytoma, metastasis or cystic brous dysplasia [13,19]…”

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confidence: 99%

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Large intradiploic arachnoid cyst of the skull in child – a case report and new terminology proposition

Drożdż,

Wojciechowski,

Ciszek

et al. 2023

Preprint

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We present a rare finding of the arachnoid matter invaginating into the base of middle cranial fossa and creating an abnormal space. Presented entity was incidentally found in head CT scan of 12-year-old male. Based on the radiological characteristics in CT scans and MR image the diagnosis of intradiploic arachnoid cyst (AC) was suggested. After surgical intervention and histopathological analysis of the specimen the diagnosis was confirmed. We assume this is the first description of large intrasphenoid AC without any traumatic or iatrogenic cause. The literature provides many different terms for the phenomenon. We are proposing term intradiploic arachnoid diverticulum as the more accurate for capture the essence of the phenomenon. It provides clear differentiation of the entities from classical arachnoid cysts since they are of different anatomical localization (intradural vs. extradural) and etiopathogenesis. Management with arachnoid diverticulum is not yet established. Surgical intervention may be required because of the risk of bone destruction and cerebro-spinal fluid leakage.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Large intradiploic arachnoid cyst of the skull in child – a case report and new terminology proposition

Drożdż,

Wojciechowski,

Ciszek

et al. 2023

Preprint

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“…In general, it is a coincident radiological finding in asymptomatic patients without trauma history. Nonetheless, cases with symptoms such as headache, dizziness, and local pain have been reported in the literature ( 54 – 57 ). CT scan reveals solitary or multiple, intradiploic, CSF-density, symmetrical well-demarcated lytic lesions with focal cortical erosions ( 53 , 57 ).…”

Section: Discussionmentioning

confidence: 99%

Case report: Interdisciplinary treatment of complex C1/C2 fractures in a patient with concomitant three-vessel coronary artery disease requiring bypass surgery

et al. 2023

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BackgroundAcute myocardial infarction (MI) frequently leads to consciousness disturbance following hemodynamic collapse. Therefore, MI can occur together with upper cervical spine trauma. Herein, we report the successful treatment of complex C1/C2 fractures in a patient with concomitant three-vessel coronary artery disease (CAD).Case presentationA 70-year-old patient presented in our emergency outpatient clinic after a hemodynamic collapse without neurological deficits or heart-related complaints. Computed tomography (CT) scan of the cervical spine revealed a dislocated odontoid fracture Anderson and D'Alonzo type II and an unstable Gehweiler type III injury (Jefferson's fracture). An intradiploic arachnoid cyst in the posterior wall of the posterior fossa was a coincident radiological finding. Furthermore, coronary angiography confirmed three-vessel CAD with high-grade coronary artery stenosis. Indication for upper cervical spine surgery and bypass surgery was given. An interdisciplinary team of neurosurgeons, cardiothoracic surgeons and anesthesiologists evaluated the patient's case to develop the most suitable therapy concept and alternative strategies. Finally, in first step, C1-C2 fusion was performed by Harms technique under general anesthesia with x-ray guidance, spinal neuronavigation, Doppler ultrasound and cardiopulmonary monitoring. Cardiothoracic surgeons were on standby. One month later bypass surgery was performed uneventfully. Follow-up CT scan of cervical spine revealed intraosseous screw positioning and beginning fusion of the fractures. The patient did not develop neurological deficits and recovered completely from both surgeries.ConclusionsTreating complex C1/C2 fractures with concomitant severe CAD requiring treatment is challenging and carries a high risk of complications. To our knowledge, the literature does not provide any guidelines regarding therapy of this constellation. To receive upper cervical spine stability and to prevent both, spinal cord injury and cardiovascular complications, an individual approach is required. Interdisciplinary cooperation to determine optimal therapeutic algorithms is needed.

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“…В настоящее время в научной литературе можно найти описания внутрикостных арахноидальных кист любой кости свода черепа, половина случаев приходится на кисты затылочной кости [17][18][19][20][21][22][23][24][25]. Из этого можно сделать вывод, что затылочная кость -наиболее частая локализация данной патологии.…”

Section: Russian Journal Of Neurosurgeryunclassified

Intraosseous arachnoid cyst of the skull. Clinical case

Nikitin

Nanaev

2020

Nejrohirurgiâ (Mosk.)

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The objective is to describe the clinical case of arachnoid cyst of occipital bone.Case report. Patient with arachnoid cyst of occipital bone was treated in the clinic of the A.I. Evdokimov Moscow State University of Medicine and Dentistry. The patient had severe pain in the occipital region for several years, conservative treatment was ineffective. Neuroimaging revealed an unusual intraosseous defect in the occipital bone. A partial resection of the occipital bone was performed and cranioplasty was made. During operation it was discovered that the patient had an intraosseous arachnoid cyst, the diagnosis was further confirmed by histological examination. After surgery, regression of pain in the occipital region was noted.Conclusion. The intraosseous arachnoid cyst of the skull is an extremely rare and can cause a severe local headache. Surgery is an effective treatment of this pathology.

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Nontraumatic intradiploic arachnoid cyst of the sphenoid bone

Cited by 10 publications

References 11 publications

Large intradiploic arachnoid cyst of the skull in child – a case report and new terminology proposition

Large intradiploic arachnoid cyst of the skull in child – a case report and new terminology proposition

Case report: Interdisciplinary treatment of complex C1/C2 fractures in a patient with concomitant three-vessel coronary artery disease requiring bypass surgery

Intraosseous arachnoid cyst of the skull. Clinical case

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