MR imaging of the meninges. Part II. Neoplastic disease.

Fukui, Melanie B.; Meltzer, Carolyn C.; Kanal, E; Smirniotopoulos, James G.

doi:10.1148/radiology.201.3.8939203

Cited by 59 publications

(24 citation statements)

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“…Intracranial lesions were classified as dural, leptomeningeal, enhancing and nonenhancing parenchymal lesions, and cranial nerve enhancement according to criteria described by Fukui et al 15 and…”

Section: Methodsmentioning

confidence: 99%

Correlation of MR Imaging Findings and Clinical Manifestations in Neurosarcoidosis

Shah¹,

Roberson²,

Curé³

2009

AJNR Am J Neuroradiol

171

121

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BACKGROUND AND PURPOSE: MR imaging is widely used for the diagnosis and follow-up of neurosarcoidosis lesions. However, the temporal evolution of imaging abnormalities and the prognostic significance of imaging features is not well understood. We undertook a retrospective study of patients with biopsy-proved or clinically diagnosed neurosarcoidosis for the following reasons: 1) to assess concordance between abnormalities noted on MR imaging with neurologic symptoms at presentation; 2) to correlate changes in imaging findings during follow-up with clinical improvement or worsening; and 3) to identify imaging features that may have prognostic significance.

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Section: Methodsmentioning

confidence: 99%

Correlation of MR Imaging Findings and Clinical Manifestations in Neurosarcoidosis

Shah¹,

Roberson²,

Curé³

2009

AJNR Am J Neuroradiol

171

121

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“…Prospective multicentric cohort studies are required to confirm these findings and identify prognostic factors. Neoplastic pachymeningitis can be suspected preoperatively by the use of current imaging modalities such as contrast-enhanced MRI [20] and by medical history of a slowly progressive neurological impairment in absence of vertebral collapse [23], but both the surgeon and the patient should be aware that the diagnosis is more often performed intraoperatively. Appropriate statements about the risk of neurologic worsening or absence of recovery could be added to the informed consent and improve patient awareness of complications related to palliative surgical decompression.…”

Section: Discussionmentioning

confidence: 99%

Patients With Cervical Metastasis and Neoplastic Pachymeningitis are Less Likely to Improve Neurologically After Surgery

Denaro

Martino

Papalia

et al. 2011

Clinical Orthopaedics &Amp; Related Research

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Background Although many patients with cervical spine metastases are treated surgically, it is unknown whether certain subsets achieve better pain relief and improvement of neurologic function. Questions/purposes(1) Does tumor removal with reconstruction improve the neurologic status? (2) Is any subset of patients more likely to have neurological recovery from palliative surgery? (3) What is the rate of surgeryrelated complications? Patients and MethodsWe retrospectively reviewed 46 patients who had palliative surgery for metastatic solid tumor metastases of the subaxial cervical spine. Indications were neurologic deficits, life expectancy longer than 6 months, and a Karnofsky Performance Score of 50 to 70. Surgery consisted of anterior tumor removal and reconstruction with titanium mesh cages and/or tricortical iliac crest allograft plus plate fixation or of a combined procedure with adjunctive posterior decompression and stabilization with lateral mass screw fixation. Postoperatively, neurologic Frankel score grade, Karnofsky Performance Score, and complications were recorded.

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“…The pathogenic mechanism of extradural enhancement may be attributable to the vascular dilatation of dural arteries and medullary and cortical veins to compensate for reduced CSF volume and a greater volume of gadolinium remaining in the dilated extradural microvasculature and diffusing into the extradural interstitial fluid (7,20). Non-hypotensive pachymeningeal enhancement may result from various dural tissue responses to infection, immunological mechanisms, systemic or regional granulomatosis, cancer metastasis, various connective tissue diseases, or other unknown causes (3,12,14,17,32). That is why the biochemical and microbiological examinations of CSF and the histopathological evaluation of dura and arachnoid mater were needed to assure the diagnosis of ICH.…”

Section: Discussionmentioning

confidence: 99%

A case of intracranial hypotension complicated with hydrocephalus

Özişik

Berker²,

Önal³

2009

Turkish Neurosurgery

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AIM: Intracranial hypotension may have variable clinical presentation. The imaging characteristics of intracranial hypotension are especially well depicted on magnetic resonance imaging studies. Although the clinical and radiological manifestations of spontaneous intracranial hypotension are increasingly recognized in many reports, many other abnormalities in this disorder and complicating cases still exist. MATeRIAL and MeTHodS:A 16-year-old patient suffering from nausea, vomiting and blurred consciousness was admitted to the hospital. MRI showed diffuse pachymeningeal thickening resembling intracranial hypotension and ventricular enlargement like compensated hydrocephalus. The patient was investigated and treated using endoscopic third ventriculostomy. CoNCLUSIoN: The authors presented a case of intracranial hypotension complicated with hydrocephalus. Specific causes for intracranial hypotension as well as additional new treatment options will also be discussed. KeywoRdS: Intracranial hypotension, Triventricular hydrocephalus, Lumbar puncture, Herniation ÖZ AMAç: İntrakranial hipotansiyon farklı klinik bulgular verebilen bir antitedir. MRI bulguları literatürde ayrıntılı olarak tarif edilmekle birlikte, nöroşirürji pratiğinde her zaman akla gelmemektedir. Aynı bulguların farklı sinir sistemi hastalıklarında da görülebilmesi, vakaları komplike hale getirmektedir. yÖNTeM ve GeReç: 16 yaşında bayan hasta bulantı-kusma ve bilinç bulanıklığı nedeniyle hastanemize yatırıldı. MRI intrakranial hipotansiyonla uyumlu difüz pakimeningeal kalınlaşma ve kontrast tutulumu ve eşlik eden triventriküler genişleme gösterdi. Hasta ayrıntılı olarak incelendi ve endoskopik yolla 3. ventrikülostomi yapılarak tedavi edildi. SoNUç: Yazarlar, arrest hidrosefali ile komplike olan bir intrakranial hipotansiyon vakasını sunmuş ve tedavi yöntemi ile birlikte tartışmışlardır. Endoskopik 3. ventrikülostomi, bu vaka için tanı koydurucu ve emniyetli bir seçenek olmuştur.

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MR imaging of the meninges. Part II. Neoplastic disease.

Cited by 59 publications

References 0 publications

Correlation of MR Imaging Findings and Clinical Manifestations in Neurosarcoidosis

Correlation of MR Imaging Findings and Clinical Manifestations in Neurosarcoidosis

Patients With Cervical Metastasis and Neoplastic Pachymeningitis are Less Likely to Improve Neurologically After Surgery

A case of intracranial hypotension complicated with hydrocephalus

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