Database : MEDLINE
Search on : Neurocysticercosis [Words]
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Abraham, Ronaldo
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[PMID]: 29521117
[Au] Autor:Carpio A; Fleury A; Romo ML; Abraham R
[Ad] Address:a Facultad de Ciencias Médicas , Universidad de Cuenca , Ecuador.
[Ti] Title:Neurocysticercosis: the good, the bad, and the missing.
[So] Source:Expert Rev Neurother;, 2018 Mar 09.
[Is] ISSN:1744-8360
[Cp] Country of publication:England
[La] Language:eng
[Ab] Abstract:INTRODUCTION: Neurocysticercosis (NC) is a neglected disease that contributes substantially to neurological morbidity/mortality in lower-income countries and increasingly among high-income countries due to migration. Many advances have been made in understanding NC, but unanswered questions remain Areas covered: This review discusses the epidemiology, pathophysiology, immunology, diagnosis, treatment, and eradication of NC. Expert commentary: The global NC prevalence remains unknown and needs proper ascertainment. Further understanding of the pathophysiology of extraparenchymally located cysts is needed to improve management. The role of inflammation, which is required for parasite death and reabsorption, but may lead to severe complications, must be better understood. Valid screening tools including immunological and molecular tests need to be developed to reduce the reliance on neuroimaging which is not usually accessible in endemic areas. Prognosis for people with parenchymal NC is generally good after treatment, but there are no sufficiently powered randomized trials evaluating antiparasitic treatment for extraparenchymal NC. Most people with seizures do not develop epilepsy. Overemphasizing NC as the main cause of epilepsy could increase stigmatization with potential medico/social implications. Several tools for prevention and control of taeniasis/cysticercosis are available, but strategies to eradicate NC must be created with the involvement of all stakeholders.
[Pt] Publication type:JOURNAL ARTICLE
[Em] Entry month:1803
[Cu] Class update date: 180309
[Lr] Last revision date:180309
[St] Status:Publisher
[do] DOI:10.1080/14737175.2018.1451328

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[PMID]: 29280227
[Au] Autor:Rudie JD; Rauschecker AM; Nabavizadeh SA; Mohan S
[Ad] Address:Department of Radiology, Division of Neuroradiology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA.
[Ti] Title:Neuroimaging of Dilated Perivascular Spaces: From Benign and Pathologic Causes to Mimics.
[So] Source:J Neuroimaging;28(2):139-149, 2018 Mar.
[Is] ISSN:1552-6569
[Cp] Country of publication:United States
[La] Language:eng
[Ab] Abstract:Perivascular spaces (PVSs), also known as Virchow-Robin spaces, are pial-lined, fluid-filled structures found in characteristic locations throughout the brain. They can become abnormally enlarged or dilated and in rare cases can cause hydrocephalus. Dilated PVSs can pose a diagnostic dilemma for radiologists because of their varied appearance, sometimes mimicking more serious entities such as cystic neoplasms, including dysembryoplastic neuroepithelial tumor and multinodular and vacuolating neuronal tumor, or cystic infections including toxoplasmosis and neurocysticercosis. In addition, various pathologic processes, including cryptococcosis and chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids, can spread into the brain via PVSs, resulting in characteristic magnetic resonance imaging appearances. This review aims to describe the key imaging characteristics of normal and dilated PVSs, as well as cystic mimics and pathologic processes that directly involve PVSs.
[Pt] Publication type:JOURNAL ARTICLE; REVIEW
[Em] Entry month:1712
[Cu] Class update date: 180309
[Lr] Last revision date:180309
[St] Status:In-Data-Review
[do] DOI:10.1111/jon.12493

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[PMID]: 29260655
[Au] Autor:Del Brutto OH; O'Neal SE; Dorny P; García HH
[Ad] Address:School of Medicine, Universidad Espíritu Santo, Ecuador, Guayaquil, Ecuador.
[Ti] Title:Spontaneously Arrested Transmission of Cysticercosis in a Highly Endemic Village with a Very Low Migration Rate.
[So] Source:Am J Trop Med Hyg;98(3):776-778, 2018 Mar.
[Is] ISSN:1476-1645
[Cp] Country of publication:United States
[La] Language:eng
[Ab] Abstract:cysticercosis is difficult to eliminate without interventions or societal development. Atahualpa is a rural Ecuadorian village with documented low migration rate, where domestic pig raising is common and human cysticercosis is endemic. To assess neurocysticercosis (NCC) prevalence, 1,273 villagers aged ≥ 20 years underwent neuroimaging studies, which showed calcified lesions in 121 (9.5%) individuals, but no active disease. Likewise, positive reactions, apparently nonspecific, were found in only 3/200 subjects by the use of a monoclonal antibody-based enzyme-linked immunosorbent assay to detect antigens in urine. Only 2/418 pigs reacted to three antibody bands on serum western blot and none to more than three bands. This is the first time that spontaneously arrested transmission is documented in a known endemic village. Understanding why active transmission stopped could provide insights on potential targets for control interventions. Atahualpa could provide an optimal scenario for longitudinal studies on the consequences of calcified NCC.
[Pt] Publication type:JOURNAL ARTICLE
[Em] Entry month:1712
[Cu] Class update date: 180308
[Lr] Last revision date:180308
[St] Status:In-Data-Review
[do] DOI:10.4269/ajtmh.17-0723

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[PMID]: 29510659
[Au] Autor:Liu P; Weng X; Zhou J; Xu X; He F; Du Y; Wu H; Gong Y; Peng G
[Ad] Address:Department of Neurology, First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Road, Hangzhou, 310003, China.
[Ti] Title:Next generation sequencing based pathogen analysis in a patient with neurocysticercosis: a case report.
[So] Source:BMC Infect Dis;18(1):113, 2018 Mar 06.
[Is] ISSN:1471-2334
[Cp] Country of publication:England
[La] Language:eng
[Ab] Abstract:BACKGROUND: Accurate and early diagnosis of neurocysticercosis (NCC) remains a challenge due to the heterogeneity of its clinical, immunological and imaging characteristics. The presence of cysticercus DNA in cerebrospinal fluid (CSF) of NCC patients has been previously detected via conventional PCR assays. To the best of our knowledge, the use of CSF Next-Generation Sequencing (NGS) based pathogen analysis in patients with NCC infection has never been reported. CASE PRESENTATION: This study reports the clinical, imaging, and immunological features of a patient initially presenting with several months of headache who further developed a pure sensory stroke. NGS was used to detect the pathogen, and her CSF demonstrated the presence of Taenia solium-DNA. This finding was confirmed by a positive reaction to CSF cysticercosis antibodies. After antiparasitic treatment, secondary CSF NGS revealed the DNA index have dropped considerably compared to the initial NGS readings. CONCLUSIONS: NGS is a promising tool for the early and accurate diagnosis of central nervous system (CNS) infection, especially in the setting of atypical clinical manifestations. Further studies are required to evaluate the persistence of DNA in the CSF of patients.
[Pt] Publication type:JOURNAL ARTICLE
[Em] Entry month:1803
[Cu] Class update date: 180307
[Lr] Last revision date:180307
[St] Status:In-Data-Review
[do] DOI:10.1186/s12879-018-3015-y

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[PMID]: 29506821
[Au] Autor:Bhattacharjee S; Alarcón F; Cedeño Y; García Yébenes J
[Ad] Address:Neurology Department, Hospital Eugenio Espejo, Quito, Ecuador; SENESCYT, Ecuador; CIBERNED, Spain; Carlos III Health Institute, Madrid, Spain.
[Ti] Title:Movement disorders associated with neurocysticercosis.
[So] Source:Parkinsonism Relat Disord;, 2018 Feb 26.
[Is] ISSN:1873-5126
[Cp] Country of publication:England
[La] Language:eng
[Pt] Publication type:LETTER
[Em] Entry month:1803
[Cu] Class update date: 180306
[Lr] Last revision date:180306
[St] Status:Publisher

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[PMID]: 29401150
[Au] Autor:Vadi SK; Kumar R; Singh H; Singh SK; Mittal BR
[Ti] Title:68Ga-Prostate-Specific Membrane Antigen Expression in Neurocysticercosis Lesions in a Patient With Prostate Carcinoma.
[So] Source:Clin Nucl Med;43(4):e122-e124, 2018 Apr.
[Is] ISSN:1536-0229
[Cp] Country of publication:United States
[La] Language:eng
[Ab] Abstract:Ga-prostate-specific membrane antigen (PSMA) ligand is a well-known tracer used in prostate cancer. Nevertheless, there are reports of unusual Ga-PSMA uptake in variety of benign lesions. We report a case of prostate cancer in which Ga-PSMA PET/CT revealed tracer avidity in the enhancing walls of cystic lesions in the brain consistent with the features of neurocysticercosis. The uptake of Ga-PSMA in neurocysticercosis is not known and may be attributed to angiogenesis occurring at the periphery of these lesions.
[Pt] Publication type:JOURNAL ARTICLE
[Em] Entry month:1802
[Cu] Class update date: 180302
[Lr] Last revision date:180302
[St] Status:In-Process
[do] DOI:10.1097/RLU.0000000000001990

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[PMID]: 29486767
[Au] Autor:Flores MD; Gonzalez LM; Hurtado C; Motta YM; Domínguez-Hidalgo C; Merino FJ; Perteguer MJ; Gárate T
[Ad] Address:Parasitology Department, Centro Nacional de Microbiología, Instituto de Salud Carlos III, Crtra, Majadahonda-Pozuelo, km 2.2, 28220, Majadahonda, Madrid, Spain. mflores@externos.isciii.es.
[Ti] Title:HDP2: a ribosomal DNA (NTS-ETS) sequence as a target for species-specific molecular diagnosis of intestinal taeniasis in humans.
[So] Source:Parasit Vectors;11(1):117, 2018 Feb 27.
[Is] ISSN:1756-3305
[Cp] Country of publication:England
[La] Language:eng
[Ab] Abstract:BACKGROUND: Taenia solium, T. asiatica and T. saginata tapeworms cause human taeniasis and are the origin of porcine and bovine cysticercosis. Furthermore, T. solium eggs can cause human cysticercosis, with neurocysticercosis being the most serious form of the disease. These helminth infections are neglected tropical diseases and are endemic in several countries in the Americas, Asia and Africa. As a result of globalization, migration in particular, the infections have been extending to non-endemic territories. Species-specific diagnosis of taeniasis is subject to drawbacks that could be resolved using molecular approaches. In the present study, conventional and real-time amplification protocols (cPCR and qPCR) based on the T. saginata HDP2 sequence were applied in the differential diagnosis of taeniasis (T. saginata, T. solium) in both fecal samples and proglottids expelled by patients. The HDP2 homolog in T. solium was cloned and characterized. RESULTS: Semi-nested cPCR and qPCR (Sn-HDP2 cPCR and Sn-HDP2 qPCR) amplified T. saginata and T. solium DNA, with an analytical sensitivity of 40 and 400 fg, respectively, and identically in both protocols. Eighteen taeniasis patients were diagnosed directly with T. saginata or T. solium, either from proglottids or fecal samples with/without eggs (detected using microscopy), based on the optimized Sn-HDP2 qPCR. After cloning, the T. solium HDP2 homolog sequence was confirmed to be a ribosomal sequence. The HDP2 fragment corresponded to a non-transcribed sequence/external transcribed repeat (NTS/ETS) of ribosomal DNA. Compared with the T. saginata HDP2 homolog, the T solium HDP2 sequence lacked the first 900 nt at the 5' end and showed nucleotide substitutions and small deletions. CONCLUSIONS: Sn-HDP2 cPCR and Sn-HDP2 qPCR were set up for the diagnosis of human taeniasis, using proglottids and fecal samples from affected patients. The new Sn-HDP2 qPCR protocol was the best option, as it directly differentiated T. saginata from T. solium. The diagnosis of an imported T. solium-taeniasis case and nine European T. saginata cases was relevant. Finally, the cloning and sequencing of the T. solium HDP2 fragment confirmed that HDP2 was part of a ribosomal unit.
[Pt] Publication type:JOURNAL ARTICLE
[Em] Entry month:1803
[Cu] Class update date: 180228
[Lr] Last revision date:180228
[St] Status:In-Data-Review
[do] DOI:10.1186/s13071-018-2646-6

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[PMID]: 29482924
[Au] Autor:Bhattacharjee S
[Ad] Address:MRCP (UK), Neurology, Royal Cornwall Hospital NHS Trust, UK. Electronic address: shakya.bhattacharjee@nhs.net.
[Ti] Title:Movement disorders associated with Neurocysticercosis.
[So] Source:Parkinsonism Relat Disord;, 2018 Feb 22.
[Is] ISSN:1873-5126
[Cp] Country of publication:England
[La] Language:eng
[Pt] Publication type:LETTER
[Em] Entry month:1802
[Cu] Class update date: 180227
[Lr] Last revision date:180227
[St] Status:Publisher

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[PMID]: 29481580
[Au] Autor:White AC; Coyle CM; Rajshekhar V; Singh G; Hauser WA; Mohanty A; Garcia HH; Nash TE
[Ad] Address:University of Texas Medical Branch, Galveston.
[Ti] Title:Diagnosis and Treatment of Neurocysticercosis: 2017 Clinical Practice Guidelines by the Infectious Diseases Society of America (IDSA) and the American Society of Tropical Medicine and Hygiene (ASTMH).
[So] Source:Clin Infect Dis;, 2018 Feb 22.
[Is] ISSN:1537-6591
[Cp] Country of publication:United States
[La] Language:eng
[Pt] Publication type:JOURNAL ARTICLE
[Em] Entry month:1802
[Cu] Class update date: 180226
[Lr] Last revision date:180226
[St] Status:Publisher
[do] DOI:10.1093/cid/cix1084

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[PMID]: 29405681
[Au] Autor:Dolomatov S; Sataieva T; Pazovsky G; Zukow W
[Ti] Title:[Neuroendocrine effects of helminthiases (A review)].
[So] Source:Parazitologiia;51(2):97-103, 2017 Mar-Apr.
[Is] ISSN:0031-1847
[Cp] Country of publication:Russia (Federation)
[La] Language:rus
[Ab] Abstract:Nowadays the number of patients diagnosed with helminthiases shows tendency for steady growth around the world. During last few years, researches in the field of immunology have again turned their attention towards the question of parasitological immunity and tissue response. Helminthiases and other parasitic diseases in some instances can induce central nervous system disorders and violate human behavioral reactions. Studies have suggested an association between epilepsy and helminth infection, but a causal relationship is not established in many helminths, except perhaps with neurocysticercosis. The aim of this review is to reveal details of specific mechanisms of the general helminths' impact on the nervous system and the endocrine control level of physiological functions of the host organism. Finally, we discuss the current gaps in knowledge about the interaction between helminths, immunity, and human endocrine system. Key words: helminths, immunity, hormones, cytokines.
[Mh] MeSH terms primary: Endocrine System/immunology
Epilepsy/immunology
Host-Parasite Interactions/immunology
Nervous System/immunology
Neurocysticercosis/immunology
[Mh] MeSH terms secundary: Animals
Cytokines/immunology
Cytokines/metabolism
Endocrine System/metabolism
Endocrine System/parasitology
Epilepsy/complications
Epilepsy/metabolism
Epilepsy/parasitology
Helminths/pathogenicity
Helminths/physiology
Hormones/immunology
Hormones/metabolism
Humans
Immunity, Innate
Nervous System/metabolism
Nervous System/parasitology
Neurocysticercosis/complications
Neurocysticercosis/metabolism
Neurocysticercosis/parasitology
Signal Transduction
[Pt] Publication type:JOURNAL ARTICLE; REVIEW
[Nm] Name of substance:0 (Cytokines); 0 (Hormones)
[Em] Entry month:1802
[Cu] Class update date: 180222
[Lr] Last revision date:180222
[Js] Journal subset:IM
[Da] Date of entry for processing:180207
[St] Status:MEDLINE


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