Neuroendoscopic Navigated One-Step Removal of Crossed Ventricular Catheter Fragments: Technical Note

Author(s):  
Alessandro Calì ◽  
Gianluca Scalia ◽  
Salvatore Marrone ◽  
Carmelo Riolo ◽  
Giuseppe Vasta ◽  
...  

Abstract Introduction Neuroendoscopy plays an important role in minimally invasive neurosurgery. The authors reported an interesting case of a pediatric patient with multiple ventriculoperitoneal shunt (VPS) revision surgeries, presenting with VPS infection and with two crossed intraventricular floating catheter fragments, successfully removed through a neuroendoscopic navigated one-step procedure. A literature review regarding this exceedingly rare condition has also been discussed. Case Description An 11-year-old female patient with a history of congenital hydrocephalus was admitted to the emergency department with symptoms of intracranial hypertension, psychomotor agitation, and tetraparesis. She had a history of previous multiple VPS revisions. She had an urgent brain computed tomography scan that documented hydrocephalus; the VPS's intraventricular catheter tip was sited at the level of the right frontal horn. Two small floating catheter fragments, not connected to the VPS, were identified: the first close to the right lateral ventricle at the level of the right occipital horn, the second one between the right occipital horn and the third ventricle. First, she underwent an exteriorization of the distal catheter for VPS. Cerebrospinal fluid examination documented hyperproteinorrachia and a positive culture for Staphylococcus aureus. Then a navigated right transfrontal endoscopic approach to the right lateral ventricle was performed extending to the previous burr hole and achieving a wide range of working angle with a rigid 0-degree lens endoscope. Intermittent irrigation generating convective flow was performed such as to mobilize the catheters tip gently upward, to remove them by grasping. Finally, a whole VPS replacement has been performed. Conclusion Persistence of intraventricular floating catheter fragments can lead to subacute or chronic infections. Neuroendoscopic retrieval represents a safe and effective alternative to a more extensive and invasive surgical approach. However, the exact catheter tip identification, grasping, and removal can be difficult to achieve, due to the technical instrumentation characteristics and altered intraventricular anatomy in chronic congenital hydrocephalus. In our experience, endoscopic convective flow induction through saline irrigation can determine floating intraventricular catheter fragments movement aiming to their identification and subsequent successful endoscopic retrieval.

Neurosurgery ◽  
2007 ◽  
Vol 61 (6) ◽  
pp. E1332-E1333 ◽  
Author(s):  
Nur Altinörs ◽  
Tarkan Calisaneller ◽  
Salih Gülşen ◽  
Özlem Özen ◽  
Önder Öngürü

Abstract OBJECTIVE The most common localization of dysembryoplastic neuroepithelial tumors (DNTs) is the supratentorial cortex, often in the temporal lobe. However, intraventricular localization of a DNT is extremely rare. CLINICAL PRESENTATION A 30-year-old woman presented with a 1-year history of epileptic seizures. The seizures had not been controlled despite standard doses of antiepileptics. INTERVENTION Neuroimaging results demonstrated a lesion located in the occipital horn of the right lateral ventricle. The lesion was totally removed. Based on histopathological and immunohistochemical evaluation, a DNT was diagnosed. Over the course of the next 8 months, the patient's epileptic seizures were under control. The most recent neuroimaging examinations revealed neither residual nor recurrent tumor. CONCLUSION Because DNTs are surgically curable and neither radiotherapy nor chemotherapy is required after surgery, recognition of an intraventricular DNT in this location is extremely important.


1997 ◽  
Vol 33 ◽  
pp. 177-193 ◽  
Author(s):  
Michael Wilks

During the 1370s Wyclif wrote to defend a monarchy which made extensive use of bishops and other clergy in the royal administration and yet was faced with aristocratic factions encouraged by bishops like Wykeham and Courtenay who espoused papal supremacy, if not out of conviction, at least as a very convenient weapon to support their independence against royal absolutism. At first sight Wyclifs attempts to define the right relationship between royal and episcopal, temporal and spiritual, power seem as confused as the contemporary political situation. His works contain such a wide range of theories from orthodox two swords dualism to a radical rejection of ecclesiastical authority well beyond that of Marsilius and Ockham that it seems as if his only interest was in collecting every anti-hierocratic idea available for use against the papacy. The purpose of this paper is to suggest that a much more coherent view of episcopal power can be detected beneath his tirades if it is appreciated that his continual demand for a great reform, a reformatio regni et ecclesiae, is inseparably linked to his understanding of the history of the Christian Church, and that in this way Wyclif anticipates Montesquieu in requiring a time factor as a necessary ingredient in constitutional arrangements.


2021 ◽  
pp. 373-376
Author(s):  
Batra Chakshu ◽  
Kapur Neeru

Choroid plexus tumors (CPTs) are rare intraventricular tumors comprising approximately 1% of all brain tumors. The common locations are the lateral ventricle (most common location in children), the third and fourth ventricles (most common location in adults), and cerebellopontine angle. Here, we present the case of a 10-month-old child with complaints of fever (99.6F), abnormal eye movements, and bilateral papilledema. Ultrasound cranium of the child revealed a well-defined hyperechoic lesion adjacent to the trigone and occipital horn of the right lateral ventricle. No vascularity could be appreciated on color Doppler. Non-contrast computed tomography of the brain showed a well-defined lobulated mass lesion epicentered at the choroid plexus of the right lateral ventricle which was hyperdense relative to the brain parenchyma with specks of calcification. Contrast-enhanced magnetic resonance imaging showed a solid intensely enhancing lobulated mass lesion with frond-like morphology originating from the choroid plexus of the occipital horn of the right lateral ventricle. Surgical excision of the CPT was done under aseptic conditions. We try to reinforce the ultrasound (USG), CT, and MRI findings of a CPT which ultimately came out to be a choroid plexus papilloma (CPP) on histopathological examination.


Phainomenon ◽  
2017 ◽  
Vol 26 (1) ◽  
pp. 69-93
Author(s):  
Emanuele Mariani

Abstract By its very name, phenomenology seems to invoke a priority claim on phenomena. And yet it has not been necessary to wait for phenomenology in oder to have a proper account of phenomena. One need only to take a look at the history of philosophy, from Plato to Kant, as well as at the history of sciences, from physics to psychology, so as to register a wide range of uses concerning the concept of phenomenon. The understanding of what a phenomenon is, in a phenomenological sense, should therefore at least not be completely compatible with any other, if phenomenology has to exist as a discipline and as a method. That is one of the issues at stake in the debate between phenomenology and neokantianism, between Husserl, to a certain extent Brentano, and Natorp. It is on this debate that we shall draw attention, if we wish to grasp the reasons behind the phenomenological conception of the phenomenon, especially at the time of the Logische Untersuchungen.


2021 ◽  
Vol 5 (4) ◽  
pp. 01-03
Author(s):  
Refka Frioui ◽  
Azza Ghannem ◽  
Mariam Tabka ◽  
Badreddine Sriha ◽  
Colandane Belajouza ◽  
...  

We report an original case of carcinoma en cuirasse associated with zosteriform metastasis. A 40-year-old woman presented to our department with painful erythematous lesions. She had a history of invasive ductal carcinoma of the left breast. Numerous erythematous, papules and whitish vesicles were present over the right side of the chest in a dermatomal distribution with indurated coalescent plaques. Biopsy revealed metastatic carcinoma of breast origin. Breast mammography showed suspicious right nodule. Controlateral breast carcinoma with CM was diagnosed. CM show a wide range of clinical manifestations. Carcinoma en cuirasse, is a very rare form of metastatic cutaneous breast cancer. It is characterized by diffuse sclerodermatous induration of the skin. Zosteriform metastasis is also rarely seen. It may be distributed along dermatomeres in a variety of clinical patterns, including nodular, papulovesicular, or vesiculobullous. In our case, the zosteriform metastasis occurred in the contralateral site. It announced the developing of contralateral breast cancer.


Author(s):  
Ruslan Adamovich Muratov

Spread of the possibility of free movement of capital from one jurisdiction to another allows the companies incorporated in high-tax countries, to use low-tax or tax-free jurisdictions for conducting business and, as well as reducing tax burden. One of the mechanisms of tax evasion is the creation of controlled foreign companies that can delay the payment of dividends to the parent company, i.e. the payment of income that will be taxed in the country of tax residence of the parent company. The countries, in turn, adopt CFC rules (controlled foreign companies riles) to prevent tax evasion, which may change due to various circumstances. The CFC rules are aimed at determining the actual tax liability of the taxpayer. However, there are situations when CFC rules are implemented in a broader approach – for example, a wide range of entities would fall under the definition of “controlled foreign companies” or “controlling entities”, which may result in the fact that the conditions for application of CFC rules may arise for the entities that do not exercise control over a foreign company. In this case, CFC rules can worsen the situation of the taxpayer. This creates an abuse of the right of controlling authorities in terms of preventing tax evasion. In order to avoid such situations, it is necessary to improve the CFC rules by limiting the circle of entities and clearly distinguishing between abuse of the rights and lawful actions in implementation of CFC rules.


Author(s):  
Lash Kurt T

The Ninth Amendment has had a remarkably robust history, playing a role in almost every significant constitutional debate in American history, including the controversy over the Alien and Sedition Acts, the struggle over slavery, and the constitutionality of the New Deal. Until very recently, however, this history has been almost completely lost due to a combination of historical accident, mistaken assumptions, and misplaced historical documents. Drawing upon a wide range of primary sources, most never before included in any book on the Ninth Amendment or the Bill of Rights, this book recovers the lost history of the Ninth Amendment and explores how its original understanding can be applied to protect the people's retained rights today. The most important aspect of this book is its presentation of newly uncovered historical evidence which calls into question the currently presumed meaning and application of the Ninth Amendment. The evidence not only challenges the traditional view regarding the original meaning of the Ninth Amendment, it also falsifies the common assumption that the Amendment lay dormant prior to the Supreme Court's “discovery” of the clause in Griswold v. Connecticut . As a history of the Ninth Amendment, the book recapitulates the history of federalism in America and the idea that local self-government is a right retained by the people. This issue has particular contemporary salience as the Supreme Court considers whether states have the right to authorize medicinal use of marijuana, refuse to assist the enforcement of national laws like the Patriot Act, or regulate physician-assisted suicide. The meaning of the Ninth Amendment has played a key role in past Senate confirmation hearings for Supreme Court justices and the current divide on the Court regarding the meaning of the Ninth Amendment makes it likely the subject will come up again during the next set of hearings.


2020 ◽  
Vol 4 (1) ◽  
Author(s):  
Cristoper Prawira Sinaga ◽  
Iwan Joko Prasetyo

Jujitsu or known as IJI (Institute of Jujitsu Indonesia) is one of a branch of martial arts in Indonesia. In training Jujitsu is needed of a communication to explain and train the students. I don't know that communication, interpersonal or in groups. Dojo (Training Place) Wijaya Putra Surabaya is a place to practice with various kinds of people, whether it's from a wide range of rates ranging from sabang to merauke, a wide range of religion, a wide range of ages. With a variety of such differences can be seen how interpersonal communication that will be among the coaches and students at the arena that will cause some comparisons between one and others. The research is a research a qualitative descriptive, The use of research sort of descriptive set of qualitative is the right method to find out the results of research that aims to find out how interpersonal communication by coach to students with a way to explain using a reality so that the study be something definite. The results can be found by using the Social Penetration theory which has 4 stages, namely, orientasi, exploratory affective stage, affective stage, stable stage. Of those 5 (five) subject of three has reached the stage stable while two other reached the affective stage. Because a coach doing the first approach to the students it in a way to tell the history of training, joking and personal life so that the stable in the study. The subjects based on Purposive Sampling and data retrieval using Depth interview.


2020 ◽  
Vol 18 (4) ◽  
pp. 99-137
Author(s):  
Igor’ Vinogradov

The article follows up the origin of the myth of the funeral of Gogol in the state of lethargy. The ideological roots of this myth, which still obscures the real history of the last days of Gogol’s life and the very content of his spiritual heritage, are studied. A wide range of problems related to the practice of professional treatment in the first half of the 19th century, including the phenomenon of mercantilism and lack of professionalism of some physicians of that time, the problem of frequent nondistincion of apparent death and lethargic state by the medicine of that time, as well as the question of the relationship between the physiological component of the disease and spiritual means of healing used by Gogol, are touched upon in the article. Attention is drawn to the unsuccessfulness of the writer’s long treatment in numerous European and domestic medical bodies. The identities of several reputable doctors who treated the writer are confirmed. The apocryphalness of some information reported in the memoirs about Gogol of the head physician A. T. Tarasenkov is noted. The distortion of Gogol’s image in these memoirs is explained by the pragmatic approach of the doctor in standing up for the corporate interests of the medical caste. The content of the last days of Gogol is put in the context of the writer’s ideas about the providential value of the ailments, regarded bu the writer as a kind of “road signs”, encouraging everyone to search for the right path, and the artist, in addition, to improve his writing. The study of biased opinions about Gogol as a religious fanatic, whose behavior before his death supposedly caused his premature death, allows us to conclude that the biographical myth has a deliberate and constructed character.


2019 ◽  
Vol 70 (1) ◽  
pp. 1-20 ◽  
Author(s):  
Ernest R. Davidson

A brief history of quantum theory is given to illustrate the barriers to progress caused by preconceived ideas. The biases in my own thinking which I had to overcome to approach the right answer for the right reason are discussed. This is followed by a personal autobiography illustrating how I have led a life of serendipity with no real sense of purpose. Chance events have shaped my life. The algorithms for which I am best known are briefly discussed. Then highlights from the many applications of theory to excited states, bonding in ice, spin properties and magnetism, (e,2e) shake-up spectra, and organic reactions are mentioned. This wide range of applications is mostly due to accidental collaboration with colleagues who sought my help. My real interest was in developing methods which could address these problems.


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