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Condition: Headache
Procedure: Perfusion

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Total 90 results found since Jan 2013.

Clinical characteristics and perfusion-computed tomography alterations in a series of patients with migraine with aura attended as stroke code
CONCLUSION: This is, to the best of our knowledge, the largest series of patients with MA managed as presumed stroke with clinical characteristics and PCT. In our study, most patients were young and had a prior history of migraine. PCT was normal in 88% of cases, with patients being still symptomatic by the time they were scanned. Further research will clarify the presence and type of PCT alterations in this entity.PMID:34862603 | DOI:10.1111/head.14243
Source: Headache - December 4, 2021 Category: Neurology Authors: Alicia Gonzalez-Martinez Santiago Trillo Sen ín Carmen Benavides Bernaldo de Queir ós Laura Casado Fern ández Antonio Barbosa Del Olmo Rafael Manzanares L ópez Ana Beatriz Gago-Veiga Jos é Vivancos Source Type: research

MR Imaging Differences in the Circle of Willis between Healthy Children and Adults PEDIATRICS
CONCLUSIONS: Our results demonstrate that the circle of Willis is different in size and symmetry in healthy children compared with adults, likely associated with developmental changes in cerebral perfusion. Further work is needed to understand why asymmetric vasculature develops in some but not all adults.
Source: American Journal of Neuroradiology - November 11, 2021 Category: Radiology Authors: Guilliams, K. P., Gupta, N., Srinivasan, S., Binkley, M. M., Ying, C., Couture, L., Gross, J., Wallace, A., McKinstry, R. C., Vo, K., Lee, J.- M., An, H., Goyal, M. S. Tags: PEDIATRICS Source Type: research

Noncontrast Pediatric Brain Perfusion
This article discusses the technical aspects of ASL and IVIM with a focus on normal physiologic variations, technical parameters, and artifacts. Multiple pediatric clinical applications are presented, including tumors, stroke, vasculopathy, vascular malformations, epilepsy, migraine, trauma, and inflammation.
Source: Magnetic Resonance Imaging Clinics of North America - October 28, 2021 Category: Radiology Authors: Danny J.J. Wang, Denis Le Bihan, Ram Krishnamurthy, Mark Smith, Mai-Lan Ho Source Type: research

Atypical Perfusion Manifestation in Migraine with Aura
Migraine with aura may be confused with a stroke. Magnetic resonance imaging is an important tool for the differential diagnosis. Cerebral hypoperfusion has been described in classic migraine, mainly during the aura. A 47-year-old male had an unremarkable past medical history. After sneezing, he developed a left hemi hypoesthesia, bitemporal vision loss, photopsia, and some distortion in the position of letters and words. This lasted #x3c;1 h, and it was followed by a severe headache. A magnetic resonance angiography was performed during the headache. It showed a left hemispheric hypoperfusion that did not correlate with t...
Source: Case Reports in Neurology - October 12, 2021 Category: Neurology Source Type: research

Hemiplegic migraine episode triggered by regadenoson
AbstractSPECT and PET myocardial perfusion imaging (MPI) are widely used to evaluate patients for coronary artery disease. Regadenoson (a selective A2A adenosine receptor agonist) is a commonly used vasodilator agent for stress MPI because of its safety profile and ease of use. Common adverse reactions such as headache, shortness of breath, flushing, and chest and abdominal discomfort are typically mild and can be effectively reversed using methylxanthines such as aminophylline and caffeine. Neurological adverse reactions such as seizure and stroke have rarely been reported with the use of regadenoson. The hemodynamic chan...
Source: Journal of Nuclear Cardiology - July 25, 2021 Category: Nuclear Medicine Source Type: research

Real-World Field Performance of the Los Angeles Motor Scale as a Large Vessel Occlusion Screen: A Prospective Muticentre Study
Conclusions: This real-world field study validates the LAMS as an effective tool for prehospital assessment of suspected strokes in determining transport decisions, with predictive validity for interventions performed.Cerebrovasc Dis
Source: Cerebrovascular Diseases - May 18, 2021 Category: Neurology Source Type: research

Stroke-Like Migraine Attacks After Radiation Therapy (SMART) Syndrome: A Comprehensive Review
AbstractPurpose of ReviewSMART syndrome is a delayed complication of cranial irradiation that can be misconstrued as tumor recurrence or some other intracranial neurological disease. Recognition of this clinical syndrome is imperative as it can obviate the need for invasive diagnostic testing and can provide reassurance to both the patient and their loved ones.Recent FindingsSMART syndrome is generally considered a reversible clinical syndrome; however, neurological deficits may become permanent. Pathophysiology of SMART syndrome may involve cerebrovascular autoregulation impairment, neuronal dysfunction leading to trigemi...
Source: Current Pain and Headache Reports - March 24, 2021 Category: Neurology Source Type: research

Atypical imaging findings of presumed stroke-like migraine attacks after radiation therapy syndrome in the brainstem
AbstractThe authors present an atypical case of presumed stroke-like migraine attacks after radiation therapy (SMART) syndrome in the brainstem. A 29-year-old male, who had been treated with resection and subsequent craniospinal radiation for posterior fossa medulloblastoma 21 years before, presented with subacute progressive left hemiparesis evolving over 4 days. Hematological findings, cerebrospinal fluid (CSF), and electroencephalogram (EEG) were unremarkable. Magnetic resonance imaging (MRI) showed a round area of hyperintense FLAIR signal centered within the pons associated with central restricted diffusion, periphera...
Source: Neuroradiology - March 11, 2021 Category: Radiology Source Type: research

Very late complications of oncotherapy in glioblastoma patients: A case series.
CONCLUSION: All stroke-like syndromes are diagnoses of exclusion. To avoid misinterpretation of imaging findings as glioblastoma recurrence and avert recall oncotherapy or redundant interventions, better understanding of delayed complications of brain tumor therapy is crucial. PMID: 33612837 [PubMed - as supplied by publisher]
Source: Biomedical Papers of the Medical Faculty of the Univ Palacky Olomouc Czech Repub - February 23, 2021 Category: Biomedical Science Tags: Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub Source Type: research

Pituitary apoplexy causing acute ischemic stroke: Which treatment should be given priority.
Conclusion: Direct compression of ICA is rare complication of pituitary apoplexy, which caused cerebral ischemia. Conventional angiography should be necessary for accurate diagnosis and prompt surgical decompression should be the treatment of choice. PMID: 32494388 [PubMed]
Source: Surgical Neurology International - June 6, 2020 Category: Neurosurgery Tags: Surg Neurol Int Source Type: research

CT perfusion and EEG patterns in patients with acute isolated aphasia in seizure-related stroke mimics
Stroke mimic (SM) is a set of conditions with clinical presentation similar to that of an acute ischemic stroke (AIS), albeit not caused by an ischemic event [1]. From 1% to 41% of patients presenting stroke-like symptoms at admission to the Emergency Department are actually SM [2]. The most common SM etiologies are seizure (38%), migraine with aura (37%), and conversion disorder (21%) [3]. Other conditions of SM are metabolic, infectious, neurodegenerative disorder, peripheral neuropathy and syncope [3].
Source: Seizure: European Journal of Epilepsy - July 3, 2019 Category: Neurology Authors: Paolo Manganotti, Giovanni Furlanis, Milo š Ajčević, Paola Polverino, Paola Caruso, Mariana Ridolfi, Roberta Antea Pozzi-Mucelli, Maria Assunta Cova, Marcello Naccarato Source Type: research

Intravenous Thrombolysis in Posterior Circulation Stroke
Conclusions: Up to date, no data about PCIS and IVT are available from RTCs. Based on limited results from retrospective clinical studies and case series, IVT is safer for use in PCIS than in ACIS. Patients with brainstem ischemia, vertebral artery occlusion, and absence of basilar or posterior cerebral artery occlusion could be considered for treatment with IVT even in borderline cases. Time to IVT in PCIS seems to be a less crucial factor than in ACIS. IVT for PCIS may be beneficial even after 4.5 h from symptom onset. Introduction History of Intravenous Thrombolysis—The Most Relevant Studies Intravenous...
Source: Frontiers in Neurology - April 25, 2019 Category: Neurology Source Type: research

Migrainous Infarction in a Patient With Sporadic Hemiplegic Migraine and Cystic Fibrosis: A 99mTc-HMPAO Brain SPECT Study.
We describe the case of a patient with CF, who had a migrainous stroke during an SHM attack. A 32-year-old Caucasian male was diagnosed with CF, with heterozygotic delta F508/unknown CFTR mutation. The patient experiences bouts of coughing sometimes triggering SHM attacks with visual phosphenes, aphasia, right-sided paresthesia, and hemiparesis. He had a 48-hour hemiparesis triggered by a bout of coughing with hemoptysis, loss of consciousness, and severe hypoxia-hypercapnia. MRI demonstrated transient diffusion hyperintensity in the left frontal-parietal-occipital regions resulting in a permanent infarction in the primary...
Source: Headache - January 8, 2019 Category: Neurology Authors: Mancini V, Mastria G, Frantellizzi V, Troiani P, Zampatti S, Carboni S, Giardina E, Campopiano R, Gambardella S, Turchi F, Petolicchio B, Toscano M, Liberatore M, Viganò A, Di Piero V Tags: Headache Source Type: research