Vascular Malformation of the Cerebellopontine Angle Associated with “SUNCT” Syndrome

Cephalalgia ◽  
1994 ◽  
Vol 14 (4) ◽  
pp. 301-302 ◽  
Author(s):  
F Morales ◽  
E Mostacero ◽  
J Marta ◽  
S Sanchez
Keyword(s):  
Vascular Malformation ◽  
Cerebellopontine Angle ◽  
Temporal Region ◽  
Conjunctival Injection ◽  
Sunct Syndrome ◽  
Cranial Ct ◽  
The Past ◽  
Unilateral Headache ◽  
The Right ◽  
Ct And Mri

A 70-year-old man complained of two distinct types of unilateral headache during the past fifteen years. When the illness began, the pain was intermittent and short-lasting. In successive years, the crises appeared in clusters and lasted weeks to months. At present, the pain occurs daily, and is located on the right side, from the forehead supraorbitally to the temporal region. Some attacks last 30 sec and are accompanied by tearing, conjunctival injection, rhinorrhea and a subjective need to micturate. Other headaches last 1/2-1 h and are occasionally accompanied by local ipsilateral dysautonomic symptoms. Attacks of pain are provoked by movements of the trunk and neck. A vascular malformation in the right cerebellopontine angle was demonstrated on cranial CT and MRI, and by angiography.

scholarly journals Short-lasting unilateral neuralgiform headache attacks with conjunctival injection and tearing syndrome secondary to an epidermoid tumor in the cerebellopontine angle

2013 ◽  
Vol 34 (3) ◽  
pp. E1 ◽  
Author(s):  
Shaun D. Rodgers ◽  
Bryan J. Marascalchi ◽  
Russell G. Strom ◽  
Paul P. Huang
Keyword(s):  
Medical Treatment ◽  
Trigeminal Nerve ◽  
Cerebellopontine Angle ◽  
Signs And Symptoms ◽  
Definitive Treatment ◽  
Trigeminal Autonomic Cephalalgias ◽  
Conjunctival Injection ◽  
Total Resection ◽  
Sunct Syndrome ◽  
Epidermoid Tumor

Short-lasting unilateral neuralgiform headache attacks with conjunctival injection and tearing (SUNCT) syndrome is classified under trigeminal autonomic cephalalgias. This rare headache syndrome is infrequently associated with secondary pathologies. In this paper the authors report on a patient with paroxysmal left retroorbital pain with associated autonomic symptoms of ipsilateral conjunctival injection and lacrimation, suggestive of SUNCT syndrome. After failed medical treatment an MRI sequence was obtained in this patient, demonstrating an epidermoid tumor in the left cerebellopontine angle. The patient's symptoms completely resolved after a gross-total resection of the tumor. This case demonstrates the effectiveness of resection as definitive treatment for SUNCT syndrome associated with tumoral compression of the trigeminal nerve. Early MRI studies should be considered in all patients with SUNCT, especially those with atypical signs and symptoms.

Shortlasting, Unilateral, Neuralgiform Headache Attacks With Conjunctival Injection and Tearing (SUNCT Syndrome): V. Orbital Phlebography

Cephalalgia ◽  
1992 ◽  
Vol 12 (6) ◽  
pp. 387-389 ◽  
Author(s):  
Piotr Kruszewski
Keyword(s):  
Cluster Headache ◽  
Cavernous Sinus ◽  
Conjunctival Injection ◽  
Superior Ophthalmic Vein ◽  
Sunct Syndrome ◽  
Headache Syndrome ◽  
Hunt Syndrome ◽  
Unilateral Headache ◽  
Orbital Phlebography

We studied six patients with SUNCT, a unilateral headache syndrome with shortlasting attacks and ipsilateral autonomic phenomena with orbital phlebography and MRI. All but one orbital phlebogram showed abnormalities on the headache side (in one patient bilaterally), involving the superior ophthalmic vein or/and the cavernous sinus. No systematic changes were demonstrated on MRI. The phlebography findings were similar to those observed in the Tolosa-Hunt syndrome and in cluster headache.

scholarly journals Contralateral metastatic cerebellopontine angle glioblastoma: A rare manifestation

2021 ◽  
Vol 12 ◽  
pp. 586
Author(s):  
Mohammad Hamza Bajwa ◽  
Mohammad Yousuf Ul Islam ◽  
Syed Sarmad Bukhari ◽  
Ahsan Ali Khan ◽  
Zubair Ahmad ◽  
...  
Keyword(s):  
Temporal Lobe ◽  
Cerebellopontine Angle ◽  
Concurrent Chemoradiotherapy ◽  
Case Description ◽  
The Past ◽  
Rare Manifestation ◽  
The Right ◽  
The Brain ◽  
Supratentorial Tumors

Background: Glioblastoma is the most common glioma presenting within adults with an incidence of 10 per 100,000 people globally. These are mostly supratentorial tumors with rare cases of extra-axial spread. Even rarer is the presentation of glioblastoma within the cerebellopontine angle (CPA). Here, we present a case of a previously resected and irradiated glioblastoma metastasizing from the right temporal lobe region to the contralateral CPA. Case Description: A 24-year-old female who previously underwent surgery and concurrent chemoradiotherapy for a right temporal glioblastoma in August 2020, presented to us 6 months later with headaches, vomiting, and dizziness for the past 6 days. She had left-sided dysmetria on examination. MRI of the brain showed an extra-axial, heterogeneously enhancing lesion within the left CPA. The patient subsequently underwent a left retrosigmoid craniotomy and maximum safe resection of the lesion. Histopathology reported the lesion as a glioblastoma. Conclusion: Glioblastoma within the CPA is rarely reported within the literature. To date, our case is the first instance of an extra-axial contralateral metastasis of glioblastoma.

Glioblastoma Multiforme with Atypical Appearance

2019 ◽  
Vol 70 (7) ◽  
pp. 2694-2698
Author(s):  
Anca Alexandra Grigorie ◽  
Ramona Adriana Schenker ◽  
Michael Schenker
Keyword(s):  
Differential Diagnosis ◽  
Glioblastoma Multiforme ◽  
Histological Examination ◽  
Stereotactic Biopsy ◽  
Motor Deficit ◽  
Attention Disorders ◽  
The Past ◽  
Cerebral Mri ◽  
The Right ◽  
Ct And Mri

We present the case of a 68-year-old patient who is hospitalized in our clinic for cognitive and attention disorders, progressively progressing over the past three months. The neurological examination revealed, besides cognitive decline, a motor deficit in the right limbs, and mild swallowing disorders for liquids. Although both CT and MRI were performed, the images obtained from the investigations were inconclusive, raising differential diagnosis problems. The patient was subjected to additional investigations, but the diagnosis of certainty was established by performing sterotactic biopsy and histological examination. Although cerebral MRI is the investigation of choice in the diagnosis of glioblastoma, in our patient�s case, the diagnosis of certainty was determined by stereotactic biopsy and subsequent histological examination.

COMMONWEALTH Forum: The Politics of Science or the Science of Politics

Commonwealth ◽  
2017 ◽  
Vol 19 (1) ◽  
Author(s):  
John Arway
Keyword(s):  
Public Policy ◽  
Natural Resource ◽  
Factual Information ◽  
The Past ◽  
Difference Of Opinion ◽  
History Of ◽  
The Right ◽  
Scientific Facts ◽  
Environmental Agency ◽  
Laws And Regulations

The challenges of including factual information in public policy and political discussions are many. The difficulties of including scientific facts in these debates can often be frustrating for scientists, politicians and policymakers alike. At times it seems that discussions involve different languages or dialects such that it becomes a challenge to even understand one another’s position. Oftentimes difference of opinion leads to laws and regulations that are tilted to the left or the right. The collaborative balancing to insure public and natural resource interests are protected ends up being accomplished through extensive litigation in the courts. In this article, the author discusses the history of environmental balancing during the past three decades from the perspective of a field biologist who has used the strength of our policies, laws and regulations to fight for the protection of our Commonwealth’s aquatic resources. For the past 7 years, the author has taken over the reins of “the most powerful environmental agency in Pennsylvania” and charted a course using science to properly represent natural resource interests in public policy and political deliberations.

Accelerating Agricultural Growth—Is Irrigation Institutional Reform Necessary? (Distinguishedl Lecture)

1996 ◽  
Vol 35 (4I) ◽  
pp. 399-417 ◽  
Author(s):  
John W. Mellor
Keyword(s):  
Growth Rates ◽  
Irrigation System ◽  
Institutional Reform ◽  
Residual Effect ◽  
Agricultural Growth ◽  
The Past ◽  
Major Reform ◽  
History Of ◽  
The Right ◽  
Economic Growth Rates

The right to the flow of income from water is vigorously pursued, protected, and fought over in any arid part of the world. Pakistan is of course no exception. Reform of irrigation institutions necessarily changes the rights to water, whether it be those of farmers, government, or government functionaries. Those perceived rights may be explicit and broadly accepted, or simply takings that are not even considered legitimate. Nevertheless they will be fought over. Pakistan has a long history of proposals for irrigation reform, little or none being implemented, except as isolated pilot projects. Thus, to propose major changes in irrigation institutions must be clearly shown to have major benefits to justify the hard battles that must be fought and the goodwill of those who might win those battles for reform. Proponents of irrigation institution reform have always argued the necessity of the reforms and the large gains to be achieved. Perhaps, however, those arguments have not been convincing. This paper will briefly outline the failed attempts at irrigation reform to provide an element of reality to the discussion. It will then proceed to make the case of the urgency of reform in a somewhat different manner to the past. Finally, current major reform proposals will be presented. This paper approaches justification of irrigation reform by focusing on the agricultural growth rate. It does so because that is the critical variable influencing poverty rates and is a significant determinant of over-all economic growth rates. The paper decomposes growth rates and suggests a residual effect of deterioration of the irrigation system that is large and calls for policy and institutional reform. The data are notional, suggesting the usefulness of the approach and paves the way for more detailed empirical analysis and enquiry for the future.

Does the Injunction Gap Violate Implementers’ Fair Trial Rights Under the ECHR?

2020 ◽  
Author(s):  
Léon E Dijkman
Keyword(s):  
Human Rights ◽  
Case Law ◽  
Fair Trial ◽  
European Convention ◽  
The Past ◽  
European Court ◽  
The Subject ◽  
The Right ◽  
Federal Supreme ◽  
Validity Of A Patent

Abstract Germany is one of few jurisdictions with a bifurcated patent system, under which infringement and validity of a patent are established in separate proceedings. Because validity proceedings normally take longer to conclude, it can occur that remedies for infringement are imposed before a decision on the patent’s validity is available. This phenomenon is colloquially known as the ‘injunction gap’ and has been the subject of increasing criticism over the past years. In this article, I examine the injunction gap from the perspective of the right to a fair trial enshrined in Art. 6 of the European Convention on Human Rights. I find that the case law of the European Court of Human Rights interpreting this provision supports criticism of the injunction gap, because imposing infringement remedies with potentially far-reaching consequences before the validity of a patent has been established by a court of law arguably violates defendants’ right to be heard. Such reliance on the patent office’s grant decision is no longer warranted in the light of contemporary invalidation rates. I conclude that the proliferation of the injunction gap should be curbed by an approach to a stay of proceedings which is in line with the test for stays as formulated by Germany’s Federal Supreme Court. Under this test, courts should stay infringement proceedings until the Federal Patent Court or the EPO’s Board of Appeal have ruled on the validity of a patent whenever it is more likely than not that it will be invalidated.

scholarly journals Developmentally anomalous cerebellar encephalocele arising within the cerebellopontine angle and extending into the adjacent skull base in a pediatric patient

2021 ◽  
Author(s):  
Forrest A. Hamrick ◽  
Michael Karsy ◽  
Carol S. Bruggers ◽  
Angelica R. Putnam ◽  
Gary L. Hedlund ◽  
...  
Keyword(s):  
Skull Base ◽  
Pediatric Patient ◽  
Cerebellopontine Angle ◽  
Resonance Imaging ◽  
Middle Cerebellar Peduncle ◽  
Cerebellar Tissue ◽  
Cerebellar Peduncle ◽  
Histopathologic Analysis ◽  
The Right ◽  
Internal Acoustic Canal

AbstractLesions of the cerebellopontine angle (CPA) in young children are rare, with the most common being arachnoid cysts and epidermoid inclusion cysts. The authors report a case of an encephalocele containing heterotopic cerebellar tissue arising from the right middle cerebellar peduncle and filling the right internal acoustic canal in a 2-year-old female patient. Her initial presentation included a focal left 6th nerve palsy. Magnetic resonance imaging was suggestive of a high-grade tumor of the right CPA. The lesion was removed via a retrosigmoid approach, and histopathologic analysis revealed heterotopic atrophic cerebellar tissue. This report is the first description of a heterotopic cerebellar encephalocele within the CPA and temporal skull base of a pediatric patient.

The Specter of the Past: Reconstructing Conservative Historical Memory in South Korea

2021 ◽  
Vol 49 (3) ◽  
pp. 337-362
Author(s):  
Myungji Yang
Keyword(s):  
South Korea ◽  
Historical Memory ◽  
Political Legitimacy ◽  
New Right ◽  
Historical Narratives ◽  
Right Wing ◽  
Far Right ◽  
The Past ◽  
The Republic ◽  
The Right

Through the case of the New Right movement in South Korea in the early 2000s, this article explores how history has become a battleground on which the Right tried to regain its political legitimacy in the postauthoritarian context. Analyzing disputes over historiography in recent decades, this article argues that conservative intellectuals—academics, journalists, and writers—play a pivotal role in constructing conservative historical narratives and building an identity for right-wing movements. By contesting what they viewed as “distorted” leftist views and promoting national pride, New Right intellectuals positioned themselves as the guardians of “liberal democracy” in the Republic of Korea. Existing studies of the Far Right pay little attention to intellectual circles and their engagement in civil society. By examining how right-wing intellectuals appropriated the past and shaped triumphalist national imagery, this study aims to better understand the dynamics of ideational contestation and knowledge production in Far Right activism.

scholarly journals Sudden Unexpected Death Associated with Arrhythmogenic Cardiomyopathy: Study of the Cardiac Conduction System

Diagnostics ◽  
2021 ◽  
Vol 11 (8) ◽  
pp. 1323
Author(s):  
Giulia Ottaviani ◽  
Graziella Alfonsi ◽  
Simone G. Ramos ◽  
L. Maximilian Buja
Keyword(s):  
Fibromuscular Dysplasia ◽  
Ventricular Myocardium ◽  
Conduction System ◽  
Cardiac Conduction ◽  
Future Research ◽  
Cardiac Conduction System ◽  
Arrhythmogenic Cardiomyopathy ◽  
Unexpected Death ◽  
The Past ◽  
The Right

A retrospective study was conducted on pathologically diagnosed arrhythmogenic cardiomyopathy (ACM) from consecutive cases over the past 34 years (n = 1109). The anatomo-pathological analyses were performed on 23 hearts diagnosed as ACM (2.07%) from a series of 1109 suspected cases, while histopathological data of cardiac conduction system (CCS) were available for 15 out of 23 cases. The CCS was removed in two blocks, containing the following structures: Sino-atrial node (SAN), atrio-ventricular junction (AVJ) including the atrio-ventricular node (AVN), the His bundle (HB), the bifurcation (BIF), the left bundle branch (LBB) and the right bundle branch (RBB). The ACM cases consisted of 20 (86.96%) sudden unexpected cardiac death (SUCD) and 3 (13.04%) native explanted hearts; 16 (69.56%) were males and 7 (30.44%) were females, ranging in age from 5 to 65 (mean age ± SD, 36.13 ± 16.06) years. The following anomalies of the CCS, displayed as percentages of the 15 ACM SUCD cases in which the CCS has been fully analyzed, have been detected: Hypoplasia of SAN (80%) and/or AVJ (86.67%) due to fatty-fibrous involvement, AVJ dispersion and/or septation (46.67%), central fibrous body (CFB) hypoplasia (33.33%), fibromuscular dysplasia of SAN (20%) and/or AVN (26.67%) arteries, hemorrhage and infarct-like lesions of CCS (13.33%), islands of conduction tissue in CFB (13.33%), Mahaim fibers (13.33%), LBB block by fibrosis (13.33%), AVN tongue (13.33%), HB duplicity (6.67%%), CFB cartilaginous meta-hyperplasia (6.67%), and right sided HB (6.67%). Arrhythmias are the hallmark of ACM, not only from the fatty-fibrous disruption of the ventricular myocardium that accounts for reentrant ventricular tachycardia, but also from the fatty-fibrous involvement of CCS itself. Future research should focus on application of these knowledge on CCS anomalies to be added to diagnostic criteria or at least to be useful to detect the patients with higher sudden death risks.

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