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Neurocysticercosis

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https://www.readbyqxmd.com/read/28304255/neurocysticercosis-in-a-rhesus-macaque-macaca-mulatta
#1
Jessica M Johnston, Cecilia D Dyer, Susan Madison-Antenucci, Kimberly Am Mergen, Christin L Veeder, Angela K Brice
An 8-y-old, intact, male rhesus macaque (Macaca mulatta) was sedated to undergo MRI in preparation for the implantation of cranial hardware. During imaging, 9 focal lesions were noted in the brain and musculature of the head. The lesions were hyperechoic with hypoechoic rims. The animal was deemed inappropriate for neuroscience research, and euthanasia was elected. Gross examination revealed multiple round, thick-walled, fluid-filled cysts (diameter, approximately 0.5 cm) in multiple tissues: one each in the left caudal lung lobe, left masseter muscle, and the dura overlying the brain and 8 throughout the gray and white matter of the brain parenchyma...
December 1, 2016: Comparative Medicine
https://www.readbyqxmd.com/read/28289849/geo-helminthiasis-among-migrants-in-sicily-a-possible-focus-for-re-emerging-neurocysticercosis-in-europe
#2
Ildebrando Patamia, Piermario Nicotra, Davide Amodeo, Loretta Giuliano, Calogero Edoardo Cicero, Alessandra Nicoletti
A dramatic increasing immigration flow was recorded in Europe during the last years. Only in Sicily 120,239 people arrived in 2014. Immigrants may carry neglected tropical diseases endemic in their origin countries. The aim of our study was to evaluate the frequency of geo-helminthiasis, and in particular of intestinal taeniasis, in a sample of migrants hosted in a large asylum seeker centre in the province of Catania. A stool sample was obtained from all the enrolled subjects and a coproparasitological examination was performed...
March 13, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28281490/evidence-based-guidelines-for-the-management-of-epilepsy
#3
REVIEW
Sanjay P Singh, Ram Sankaraneni, Arun R Antony
Approximately 50 million people live with epilepsy worldwide. The aim of this review is to present an overview of the current evidence and management recommendations for evaluation and treatment of patients with epilepsy. Systematic literature reviews were undertaken. A review of contemporary published evidence-based guidelines (American Academy of Neurology, American Epilepsy Society, and the Indian Epilepsy Society) and published peer reviewed scientific publications was done. The guideline is addressed to all clinicians who manage epilepsy patients...
2017: Neurology India
https://www.readbyqxmd.com/read/28267746/systematic-review-and-meta-analysis-estimating-association-of-cysticercosis-and-neurocysticercosis-with-epilepsy
#4
Gabrielle Debacq, Luz M Moyano, Héctor H Garcia, Farid Boumediene, Benoit Marin, Edgard B Ngoungou, Pierre-Marie Preux
BACKGROUND: We reviewed studies that analyzed cysticercosis (CC), neurocysticercosis (NCC) and epilepsy across Latin America, Asia and Sub-Saharan Africa, to estimate the odds ratio and etiologic fraction of epilepsy due to CC in tropical regions. METHODOLOGY: We conducted a systematic review of the literature on cysticercosis and epilepsy in the tropics, collecting data from case-control and cross-sectional studies. Exposure criteria for CC included one or more of the following: serum ELISA or EITB positivity, presence of subcutaneous cysts (both not verified and unverified by histology), histology consistent with calcified cysts, and brain CT scan consistent with NCC...
March 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28236577/epilepsy-surgery-and-neurocysticercosis-assessing-the-role-of-the-cysticercotic-lesion-in-medically-refractory-epilepsy
#5
REVIEW
Alejandro L Escalaya, Jorge G Burneo
There is increasing evidence of the existence of refractoriness to treatment with antiepileptic medications in those with NCC-related epilepsy. We performed a systematic review with the objective to determine the role of a cysticercotic lesion in this group of patients. We sought those manuscripts, including case reports, describing patients with NCC-related medically-intractable epilepsy who underwent epilepsy surgery and were seizure-free a year after. Only 10 manuscripts fulfilled inclusion and exclusion criteria...
February 21, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28236521/designing-a-minimal-intervention-strategy-to-control-taenia-solium
#6
REVIEW
Marshall W Lightowlers, Meritxell Donadeu
Neurocysticercosis is an important cause of epilepsy in many developing countries. The disease is a zoonosis caused by the cestode parasite Taenia solium. Many potential intervention strategies are available, however none has been able to be implemented and sustained. Here we predict the impact of some T. solium interventions that could be applied to prevent transmission through pigs, the parasite's natural animal intermediate host. These include minimal intervention strategies that are predicted to be effective and likely to be feasible...
February 21, 2017: Trends in Parasitology
https://www.readbyqxmd.com/read/28226078/experimental-neurocysticercosis-absence-of-il-4-induces-lower-encephalitis
#7
Hidelberto Matos Silva, Marina Clare Vinaud, Ruy de Souza Lino
Methods: BALB/c (WT) and BALB/c (IL-4-KO) mice were inoculated intracranially with Taenia crassiceps cysticerci and euthanized at 7, 30, 60 and 90 days later, the encephala removed and histopathologically analyzed. Results: The absence of IL-4 induced greater parasitism. In the initial phase of the infection, IL-4-KO showed a lower intensity in the inflammatory infiltration of polimorphonuclear cells in the host-parasite interface and intra-parenquimatous edema...
February 2017: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/28216368/in-vitro-and-in-vivo-cysticidal-activity-of-extracts-and-isolated-flavanone-from-the-bark-of-prunus-serotina-a-bio-guided-study
#8
Francisca Palomares-Alonso, Irma Susana Rojas-Tomé, Guadalupe Palencia Hernández, María Adelina Jiménez-Arellanes, Martha Lydia Macías-Rubalcava, Angélica González-Maciel, Andrea Ramos-Morales, Rosalba Santiago-Reyes, Nelly Castro, Iliana González-Hernández, Yadira Rufino-González, Helgi Jung-Cook
Currently, neurocysticercosis treatment involves two drugs: albendazole and praziquantel; however, their efficacy is suboptimal and new cysticidal drugs are needed. The present paper reports the cysticidal activity of extracts of the bark from Prunus serotina against Taenia crassiceps cysts and the isolation and identification of the main components of the most active extract. Results showed that all extracts displayed in vitro cysticidal activity (EC50=17.9-88.5μg/mL), being the methanolic the most active and selective...
February 16, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28215871/disease-behaviours-of-sows-naturally-infected-with-taenia-solium-in-tanzania
#9
Chiara Trevisan, Maria Vang Johansen, Ernatus Martin Mkupasi, Helena Aminel Ngowi, Björn Forkman
Neurocysticercosis (NCC) is a disease caused by the zoonotic parasite Taenia solium lodging in the central nervous system. Both humans and pigs can get NCC. The impact of the disease in pigs has so far been little explored. The aim of this study was to describe the effect of NCC on social and feeding behaviours as well as the pattern of activity as indicators of reduced welfare in naturally infected sows. In total 13 T. solium naturally infected and 15 non-infected control sows were videotaped for 2 consecutive weeks using close circuit television cameras at research facilities at Sokoine University of Agriculture, Morogoro, Tanzania...
February 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28212398/modelling-the-risk-of-taenia-solium-exposure-from-pork-produced-in-western-kenya
#10
Lian F Thomas, William A de Glanville, Elizabeth A J Cook, Barend M De C Bronsvoort, Ian Handel, Claire N Wamae, Samuel Kariuki, Eric M Fèvre
The tapeworm Taenia solium is the parasite responsible for neurocysticercosis, a neglected tropical disease of public health importance, thought to cause approximately 1/3 of epilepsy cases across endemic regions. The consumption of undercooked infected pork perpetuates the parasite's life-cycle through the establishment of adult tapeworm infections in the community. Reducing the risk associated with pork consumption in the developing world is therefore a public health priority. The aim of this study was to estimate the risk of any one pork meal in western Kenya containing a potentially infective T...
February 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28183336/assessing-the-impact-of-intervention-strategies-against-taenia-solium-cysticercosis-using-the-epicyst-transmission-model
#11
Peter Winskill, Wendy E Harrison, Michael D French, Matthew A Dixon, Bernadette Abela-Ridder, María-Gloria Basáñez
BACKGROUND: The pork tapeworm, Taenia solium, and associated human infections, taeniasis, cysticercosis and neurocysticercosis, are serious public health problems, especially in developing countries. The World Health Organization (WHO) has set goals for having a validated strategy for control and elimination of T. solium taeniasis/cysticercosis by 2015 and interventions scaled-up in selected countries by 2020. Timely achievement of these internationally-endorsed targets requires that the relative benefits and effectiveness of potential interventions be explored rigorously within a quantitative framework...
February 9, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28174186/avoiding-misdiagnosis-cystic-calcified-brain-metastases-of-uterine-cervical-cancer-mimicking-neurocysticercosis
#12
Jacopo Fantini, Arianna Sartori, Paolo Manganotti
The radiological finding of multiple calcified brain lesions is atypical for brain metastases and in absence of a clear evidence of disseminated neoplastic disease the differential diagnosis may be difficult. Calcified brain metastases (CBM) are rarely encountered in clinical practice and they mostly arise from lung, breast and gastrointestinal primitive tumours. Only one case of uterine cervical carcinoma (UCC) with CBM has been reported so far. We describe the case of a 41-year-old Caucasian woman with a history of hysterectomy and bilateral salpingo-oophorectomy for UCC 3 years prior to observation and no evidence of neoplastic recurrence that developed cystic CBM...
February 7, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28167968/prevalence-response-to-cysticidal-therapy-and-risk-factors-for-persistent-seizure-in-indian-children-with-neurocysticercosis
#13
Animesh Kumar, Anirban Mandal, Sheela Sinha, Amitabh Singh, Rashmi Ranjan Das
Background. Neurocysticercosis (NCC) is the commonest cause of childhood acquired epilepsy in developing countries. The use of cysticidal therapy in NCC, except "single lesion NCC," is still debated in view of its doubtful usefulness and potential adverse effects. Methods. Children presenting with first episode of seizure or acute focal neurological deficit without fever were screened for NCC and received appropriate therapy (followup done for 1 year to look for the response and side effects). Results. The prevalence of NCC was 4...
2017: International Journal of Pediatrics
https://www.readbyqxmd.com/read/28146039/a-rare-ocular-presentation-of-metastatic-lung-cancer-unilateral-anterior-chamber-angle-bilateral-choroidal-and-multiple-intracranial-metastases
#14
Amber Hoang, Kay T Khine, O'Rese J Knight, Rachel A Tesser, David A Chesnutt
A 64-year-old man who presented with photopsia was found to have elevated intraocular pressure in one eye and optic disc swelling in the other eye. He was initially diagnosed with neurocysticercosis and later metastatic lung adenocarcinoma. The purpose of this paper is to report a rare case of bilateral glare as the first sign of diffusely metastatic cancer and to raise clinical suspicion for systemic malignancy in the presence of multiple ocular manifestations.
February 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28143423/report-of-three-imported-cases-of-neurocysticercosis-in-guadeloupe
#15
R Blaizot, B Melot, K Schepers, M Nicolas, S Gaumond, P Poullain, L Belaye, A Lannuzel, B Hoen
BACKGROUND: Neurocysticercosis is endemic in most countries of Central and South America but has rarely been described in the French West Indies. We aimed to better understand the clinical and radiological presentation of our cases. CASE PRESENTATION: We report three cases of neurocysticercosis in patients living in Guadeloupe, with different clinical and radiological presentations. CONCLUSION: Given the eventuality of autochtonous transmission, the diagnosis should be considered in all patients living in Guadeloupe presenting with seizures...
January 31, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28139530/neurocysticercosis-diagnostic-problems-current-therapeutic-strategies
#16
REVIEW
Vedantam Rajshekhar
Neurocysticercosis (NCC) is the most common single cause of seizures/epilepsy in India and several other endemic countries throughout the world. It is also the most common parasitic disease of the brain caused by the cestode Taenia solium or pork tapeworm. The diagnosis of NCC and the tapeworm carrier (taeniasis) can be relatively inaccessible and expensive for most of the patients. In spite of the introduction of several new immunological tests, neuroimaging remains the main diagnostic test for NCC. The treatment of NCC is also mired in controversy although, there is emerging evidence that albendazole (a cysticidal drug) may be beneficial for patients by reducing the number of seizures and hastening the resolution of live cysts...
September 2016: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/28105460/validity-of-a-pcr-assay-in-csf-for-the-diagnosis-of-neurocysticercosis
#17
Arturo Carpio, Alfredo Campoverde, Matthew L Romo, Lorena García, Luis M Piedra, Mónica Pacurucu, Nelson López, Jenner Aguilar, Sebastian López, Luis C Vintimilla, Ana M Toral, Pablo Peña-Tapia
OBJECTIVE: To prospectively evaluate the validity of a PCR assay in CSF for the diagnosis of neurocysticercosis (NC). METHODS: We conducted a multicenter, prospective case-control study, recruiting participants from 5 hospitals in Cuenca, Ecuador, from January 2015 to February 2016. Cases fulfilled validated diagnostic criteria for NC. For each case, a neurosurgical patient who did not fulfill the diagnostic criteria for NC was selected as a control. CT and MRI, as well as a CSF sample, were collected from both cases and controls...
March 2017: Neurology® Neuroimmunology & Neuroinflammation
https://www.readbyqxmd.com/read/28077750/the-association-between-neurocysticercosis-and-hippocampal-atrophy-is-related-to-age
#18
Oscar H Del Brutto, Naoum P Issa, Perla Salgado, Victor J Del Brutto, Mauricio Zambrano, Julio Lama, Héctor H García
Neurocysticercosis (NCC) has been associated with hippocampal atrophy, but the prevalence and pathogenic mechanisms implicated in this relationship are unknown. Using a population-based, case-control study design, residents in a rural village (Atahualpa) aged ≥ 40 years with calcified NCC were identified as cases and paired to NCC-free individuals (control subjects) matched by age, sex, and level of education. Cases and control subjects underwent magnetic resonance imaging for hippocampal rating according to the Scheltens' scale for medial temporal atrophy and were interviewed to identify those with a clinical seizure disorder...
January 11, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28077749/survey-of-obstetrician-gynecologists-in-the-united-states-about-taeniasis-and-cysticercosis
#19
Rebecca L Hall, Britta Anderson, Jay Schulkin, Paul T Cantey, Susan P Montgomery, Jeffrey L Jones
An estimated 50 million persons worldwide are infected with cysticerci, the larval forms of the Taenia solium tapeworm. Neurocysticercosis can cause seizures, epilepsy, and hydrocephalus, and fatal cases have been reported in the United States in immigrants and in travelers returning from endemic countries. Pregnant women with symptomatic neurocysticercosis present treatment challenges, whereas those with the adult tapeworm infection (i.e., taeniasis) can put their infants and other family members, as well as obstetrician-gynecologists and their staff, at risk for cysticercosis...
January 11, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28060040/long-term-clinical-and-radiologic-outcome-of-500-children-with-parenchymal-neurocysticercosis
#20
Pratibha Singhi, Renu Suthar, Brijendra Deo, Prabhjot Malhi, N K Khandelwal
BACKGROUND: Our aim was to study long-term clinical and radiologic outcome of children with parenchymal neurocysticercosis (NCC) and its predictors. METHOD: 500 children with NCC registered in the pediatric NCC Clinic between January 1996 and December 2002 and followed to December 2009 were enrolled. Demographic details, clinical presentations and therapy received were recorded. Outcome was evaluated in terms of seizure recurrence and resolution of lesions on neuroimaging...
January 3, 2017: Pediatric Infectious Disease Journal
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