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https://www.readbyqxmd.com/read/28331947/-magnetic-resonance-spectroscopy-of-brain-tumors
#1
P Ditter, E Hattingen
BACKGROUND: Conventional magnetic resonance imaging (MRI) under consideration of clinical information enables the correct diagnosis and therapy for the majority of cerebral space-occupying lesions. Some important differential diagnoses, e. g. low vs. high-grade tumors, require additional MRI methods. OBJECTIVE: This article critically discusses the importance of magnetic resonance spectroscopy ((1)H-MRS) in brain tumors. MATERIAL AND METHODS: The concentration of normal and pathological brain metabolites can be non-invasively measured by (1)H-MRS...
March 22, 2017: Der Radiologe
https://www.readbyqxmd.com/read/28317564/odontogenic-infections
#2
REVIEW
Orrett E Ogle
The pathogenesis of odontogenic infection is polymicrobial, consisting of various facultative and strict anaerobes. The dominant isolates are strictly anaerobic gram-negative rods and gram-positive cocci. The periapical infection is the most common form of odontogenic infection. Although odontogenic infections are usually confined to the alveolar ridge vicinity, they can spread into deep fascial spaces. Cavernous sinus thrombosis, brain abscess, airway obstruction, and mediastinitis are possible complications of dental infections...
April 2017: Dental Clinics of North America
https://www.readbyqxmd.com/read/28314138/depression-and-post-traumatic-stress-disorder-in-individuals-with-hereditary-hemorrhagic-telangiectasia-a-cross-sectional-survey
#3
Shruti Chaturvedi, Marianne Clancy, Nicole Schaefer, Olalekan Oluwole, Keith R McCrae
INTRODUCTION: Hereditary hemorrhagic telangiectasia (HHT) is characterized by frequent severe bleeding, particularly epistaxis, and life-threatening complications including stroke, brain abscess and heart failure. The psychological impact of HHT is not known. We conducted this cross sectional study to determine the prevalence of depression and post-traumatic stress disorder (PTSD) related to HHT. METHODS: A survey tool comprising demographic and clinical information and two validated self-administered questionnaires, the PTSD checklist for DSM-5 (PCL-5) and Beck Depression Inventory-II (BDI-II), was distributed to individuals with HHT...
March 9, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28299015/endogenous-nocardial-endophthalmitis-in-an-immunosuppressed-patient-a-serious-warning-of-an-underlying-life-threatening-and-blinding-disorder
#4
Hemant Trehan, Jaya Kaushik, Vaibhav Kumar Jain, Jitendra Kumar Singh Parihar, Abhijit Avasthi
PURPOSE: To report a case of bilateral endogenous nocardial endophthalmitis with central nervous system involvement in an immunocompromised individual with an extremely poor outcome. CASE REPORT: A 35-year-old man with a history of long-term, prescribed oral steroid use for membranoproliferative glomerulonephritis presented with profound bilateral vision loss. Patient's diagnosis of bilateral endogenous nocardial endophthalmitis was delayed. Nocardia was finally isolated from a brain biopsy after a repeat magnetic resonance imaging revealed a brain abscess...
January 2017: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/28292375/rare-presentation-of-brain-abscess
#5
Javaria Rasheed, Fauzia Waqar, Muhammad Sharif, Khalid Saleem
No abstract text is available yet for this article.
January 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28286386/brain-abscess-potentially-resulting-from-odontogenic-focus-report-of-three-cases-and-a-literature-review
#6
Masaya Akashi, Kazuhiro Tanaka, Junya Kusumoto, Shungo Furudoi, Kohkichi Hosoda, Takahide Komori
INTRODUCTION: Odontogenic foci can rarely cause intracranial infection. Hematogenous spread is considered to be the most important pathophysiological mechanism of intracranial infection of odontogenic origin. To investigate the oral origin of intracranial infections, oral surgeons should understand the underlying mechanisms by which oral bacteria spread to the central nervous system. However, there have been very few reports of intracranial infection resulting from odontogenic infection...
March 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28275563/neonatal-cranial-sonography-ultrasound-findings-in-neonatal-meningitis-a-pictorial-review
#7
REVIEW
Nishant Gupta, Hemal Grover, Itisha Bansal, Kusum Hooda, Joshua M Sapire, Rama Anand, Yogesh Kumar
Neonatal bacterial meningitis is a common manifestation of late onset neonatal sepsis. Cranial sonography (CRS) has a crucial role in assessment of infants with clinical suspicion of bacterial meningitis as well as follows up of its complications. CRS is performed with high frequency transducer through anterior fontanelle in both coronal and sagittal planes. Various sonographic findings range from echogenic and widened sulci, ventriculomegaly, ventriculitis, hydrocephalus, extra-axial fluid collections, cerebritis and brain abscess...
February 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28260599/peritonsillar-abscess-clinical-aspects-of-microbiology-risk-factors-and-the-association-with-parapharyngeal-abscess
#8
REVIEW
Tejs Ehlers Klug
PTA is a collection of pus located between the tonsillar capsule and the pharyngeal constrictor muscle. It is considered a complication of acute tonsillitis and is the most prevalent deep neck infection (approximately 2000 cases annually in Denmark) and cause of acute admission to Danish ENT departments. Teenagers and young adults are most commonly affected and males may predominate over females. However, no studies of age- and gender-stratified incidence rates have previously been published. Furthermore, smoking may be associated with increased risk of peritonsillar abscess (PTA) development, although the magnitude of the association has not been estimated...
March 2017: Danish Medical Journal
https://www.readbyqxmd.com/read/28254593/brain-abscess-and-unusual-nasal-pimple-in-a-child
#9
Paolo Frassanito, Gianpiero Tamburrini, Massimo Caldarelli
No abstract text is available yet for this article.
February 27, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28242559/fluorescence-guided-surgery-of-brain-abscesses
#10
Julius Höhne, Alexander Brawanski, Karl-Michael Schebesch
OBJECTIVES: Fluorescein Sodium (FL) enhances areas in the brain with a disrupted blood brain barrier (BBB). Solitary brain abscesses (BA) are characterized by the pathognomonic finding of BBB disruption. Consequently, FL may have the potential to improve the intra-operative visualization of BA. Here, we report a series of patients with BA that where treated surgically after application of FL in combination with a dedicated light filter integrated in the surgical microscope. METHODS: 7 patients (4 female, 3 male; mean age 53...
February 22, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28228396/case-of-a-cerebral-abscess-caused-by-porphyromonas-gingivalis-in-a-subject-with-periodontitis
#11
Frederic Van der Cruyssen, Koenraad Grisar, Honorine Maes, Constantinus Politis
We report the case of a 65-year-old man presenting with generalised seizures after developing a right frontal brain abscess. Stereotactic aspiration and subsequent matrix assisted laser desorption/ionisation time-of-flight analyzer (MALDI-TOF) spectrometry revealed Porphyromonas gingivalis as the only causative anaerobe microorganism. Secondary incision and drainage was required due to neurological deterioration with increased dimensions of the abscess, intracranial pressure and formation of a subdural occipitoparietal empyema...
February 22, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28208971/a-rare-association-of-pentalogy-of-fallot-with-situs-inversus-totalis-complicated-by-brain-abscess-in-an-adolescent-case-report
#12
Muhammed Basheer, Sunil Kumar Agarwalla
Tetralogy of Fallot (TOF) is the most frequently diagnosed congenital cyanotic heart disease. It is often associated with additional findings, such as atrial septal defect (i.e., pentalogy of Fallot) or right sided aortic arch. Association of this pentalogy of Fallot with situs inversus totalis is rarely reported in paediatric literature and it can cause technical challenges to intracardiac repair. We report the case of pentalogy of Fallot with dextrocardia and situs inversus presenting as parieto-occipital abscess in a 12-year-old child...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28203573/multiple-brain-abscesses-in-an-immunocompetent-patient-with-factor-v-leiden-mutation
#13
Saeed Zubair Zafar, Najwa Pervin, Sukesh Manthri, Mukul Bhattarai
Multiple brain abscesses in an immunocompetent patient is a challenging clinical problem in the medical world despite advances in imaging techniques, laboratory diagnostics, surgical interventions, and antimicrobial treatment. It is a clinical entity that typically tends to occur in the presence of known predisposing factors. Clinicians seek to determine the potential risk factors responsible for the development of brain abscess because it is very crucial for management of this life-threatening condition. At times, like in our case, there are clinical situations where it is difficult to reveal any traditional risk factors...
October 2016: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28187809/management-of-bacterial-central-nervous-system-infections
#14
REVIEW
M C Brouwer, D van de Beek
Bacterial infections of the central nervous system present as a medical emergency, thus requiring rapid diagnosis and immediate treatment. The most prevalent bacterial infections seen in the intensive care unit can be summarized as acute bacterial meningitis, subdural empyema, intracerebral abscess, and ventriculitis, which all commonly involve the brain parenchyma. The infections can either be community-acquired or hospital-acquired, e.g., after neurosurgical intervention, as a complication of severe neurotrauma or related to indwelling cerebrospinal fluid drains...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28176963/expressive-aphasia-caused-by-streptococcus-intermedius-brain-abscess-in-an-immunocompetent-patient
#15
Misbahuddin Khaja, Darryl Adler, George Lominadze
BACKGROUND: Brain abscess is an uncommon but life-threatening infection. It involves a focal, intracerebral infection that begins in a localized area of cerebritis and develops into a collection of pus, surrounded by a well-vascularized capsule. Brain abscess still poses a significant problem in developing countries but rarely in developed countries. Predisposing factors vary in different parts of the world. With the introduction of antibiotics and imaging studies, the mortality rate has decreased between 5% and 15%...
2017: International Medical Case Reports Journal
https://www.readbyqxmd.com/read/28163966/an-active-principle-of-nigella-sativa-l-thymoquinone-showing-significant-antimicrobial-activity-against-anaerobic-bacteria
#16
Mohammad Akram Randhawa, Awwad Khalaf Alenazy, Majed Gorayan Alrowaili, Jamith Basha
AIM/BACKGROUND: Thymoquinone (TQ) is the major active principle of Nigella sativa seed (black seed) and is known to control many fungi, bacteria, and some viruses. However, the activity of TQ against anaerobic bacteria is not well demonstrated. Anaerobic bacteria can cause severe infections, including diarrhea, aspiration pneumonia, and brain abscess, particularly in immunodeficient individuals. The present study aimed to investigate the in vitro antimicrobial activity of TQ against some anaerobic pathogens in comparison to metronidazole...
January 2017: Journal of Intercultural Ethnopharmacology
https://www.readbyqxmd.com/read/28162217/-clinical-experience-of-302-cases-with-brain-abscess
#17
X P Cui, X W Cai, Z Zhang, N N Gao, P R Liu, J Li, S Y Yang, J N Zhang, X Y Yang
Objective: To compare the diagnosis and treatment experience of brain abscesses and improve prognosis. Methods: The data of 302 patients of brain abscess at Department of Neurosurgery in Tianjin Medical University General Hospital from 1980 to 2014 was analyzed retrospectively. There were 215 male and 87 female patients aged from 11 to 82 years with mean age of (30±8) years. The patients was divided into 1980-2001 group and 2002-2014 group according to different diagnosis and the treatment methods. The therapy methods include operation and conservative treatment...
February 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28154286/bacterial-meningitis-caused-by-hypervirulent-klebsiella-pneumoniae-capsular-genotype-k54-with-development-of-granuloma-like-nodal-enhancement-in-the-brain-during-the-subacute-phase
#18
Yudai Iwasaki, Ryota Inokuchi, Sohei Harada, Kotaro Aoki, Yoshikazu Ishii, Kazuaki Shinohara
A 72-year-old man was admitted to the emergency department due to coma. The cerebrospinal fluid cell count was 40,080 cells/μL, and Klebsiella pneumoniae was detected on culture. Stretching the bacterial colonies on an agar plate showed the formation of a viscous string with a length exceeding 5 mm, indicating hypervirulent K. pneumoniae (hv-KP). A genome analysis suggested hv-KP capsular genotype K54 with sequence type 29. Although no brain abscess was detected on contrast-enhanced computed tomography on Day 4 or on magnetic resonance imaging (MRI) on Day 7, contrast-enhanced MRI on Day 23 showed granuloma-like nodal enhancement on the surface of the left insula...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28153622/case-report-of-a-primary-pituitary-abscess-and-systematic-literature-review-of-pituitary-abscess-with-a-focus-on-patient-outcomes
#19
REVIEW
Justice O Agyei, Lindsay J Lipinski, Jody Leonardo
BACKGROUND: Pituitary abscess is a rare but potentially life-threatening condition with an incidence of 0.2-1.1% of operative pituitary lesions. Diagnosis can be challenging, as this disorder shares many similarities with other pituitary lesions in terms of symptomatology and radiographic findings. Most pituitary abscesses are categorized as secondary, arising from pre-existing pituitary lesions or in conjunction with transsphenoidal surgery, sepsis, meningitis, or sinusitis. To date, there have been only a handful of reports of primary pituitary abscess, which occurs without any of the aforementioned risk factors...
January 30, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28141725/acute-agitation-and-self-injury-in-a-5-year-old-with-autism
#20
Jason Schweitzer, Christine James, Willough Jenkins, Michael I Reiff, Martin T Stein
A 5-year-old nonverbal child with autism spectrum disorder (ASD) was admitted to inpatient pediatrics with new onset agitation and self-injurious behavior. His parents described him as a pleasant child without previous episodes of self-injury. Four days before admission, the parents noted new irritability followed by 2 days of self-injury to the face without clear precipitant. His hitting intensified with closed fist to face, and he required parental physical restraint to prevent further injury. Car rides and ibuprofen provided only temporary relief...
February 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
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