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Filariasis , diagnosis

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https://www.readbyqxmd.com/read/28819487/an-evaluation-of-wb123-antibody-elisa-in-individuals-treated-with-ivermectin-and-albendazole-and-implementation-challenges-in-africa
#1
Dziedzom Komi de Souza, Irene Offei Owusu, Joseph Otchere, Michelle Adimazoya, Kwadwo Frempong, Collins Stephen Ahorlu, Daniel Adjei Boakye, Michael David Wilson
The development of antibody testing for the diagnosis of lymphatic filariasis (LF) is intended to enhance the monitoring and evaluation activities of the Global Program for the Elimination of LF. This is due to the fact that antibody tests are expected to be the most sensitive at detecting exposure to LF compared to antigen that takes longer to develop. To this end a new antibody-based enzyme linked immunosorbent assay (ELISA) to Wuchereria bancrofti antigen Wb123 has been developed and further designed into a point of care rapid diagnostic test, under evaluation...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28818649/sequence-analysis-of-mtdna-coi-barcode-region-revealed-three-haplotypes-within-culex-pipiens-assemblage
#2
Mona Koosha, Mohammad Ali Oshaghi, Mohammad Mehdi Sedaghat, Hassan Vatandoost, Shahyad Azari-Hamidian, Mohammad Reza Abai, Ahmad Ali Hanafi-Bojd, Fatemeh Mohtarami
Members of the Culex (Culex) pipiens assemblage are known vectors of deadly encephalitides, periodic filariasis, and West Nile virus throughout the world. However, members of this assemblage are morphologically indistinguishable or hard to distinguish and play distinct roles in transmission of the diseases. The current study aimed to provide further evidence on utility of the two most popular nuclear (ITS2-rDNA) and mitochondrial (COI barcode region) genetic markers to identify members of the assemblage. Culex pipiens assemblage specimens from different climate zones of Iran were collected and identified to species level based on morphological characteristics...
August 14, 2017: Experimental Parasitology
https://www.readbyqxmd.com/read/28722622/side-benefits-of-mass-drug-administration-for-lymphatic-filariasis-on-strongyloides-stercoralis-prevalence-on-pemba-island-tanzania
#3
Beatrice Barda, Marco Albonico, Dora Buonfrate, Shaali M Ame, Said Ali, Benjamin Speich, Jennifer Keiser
Strongyloides stercoralis, although endemic in many countries, is not included in helminth control programs. Few data are available on the prevalence and morbidity linked to this infection. We compared data from two studies conducted in 1998 and 2013 on Pemba Island, Tanzania, involving 525 and 509 schoolchildren, respectively. In 1998, the diagnostic method used was Harada Mori, whereas in 2013 diagnosis was made by both Koga agar plate and Baermann methods. The prevalence registered was 41% in 1998 and 7% in 2013...
June 19, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28507911/filariasis-orchitis-differential-for-acute-scrotum-pathology
#4
Karmon M Janssen, Cornelia J Willis, Mark Anderson, Mary S Gelnett, Emily L Wickersham, Timothy C Brand
Granulomatous Orchitis secondary to lymphatic filiarisis is a rare diagnosis within the United States. We report a case of a 22yo Male from Sri Lanka, with a new onset scrotal swelling and palpable right testicular mass. Ultrasound identified a 1 cm right testicular mass with signs of tunica albuginea invasion. A right inguinal radical orchiectomy was performed and pathology showed Filarial orchitis. This report describes the detailed history, physical exam, and diagnostic workup and treatment options for a rare entity for acute scrotal pathology...
July 2017: Urology Case Reports
https://www.readbyqxmd.com/read/28279364/-chyluria-with-nephrotic-syndrome-like-presentation-diagnostic-and-therapeutic-approach
#5
S Bally, A Demey, L Arrivé, C Rullier
Chyluria implies an abnormal communication between the lymphatic system and the urinary tract. It is more frequent in endemic areas of lymphatic filariasis, which constitutes the main cause. Chyluria may mimic a nephrotic syndrome. Diagnosis of chyluria is based on urinary cytological and biocheminal analysis. Localization of the fistula needs medical imaging: cystoscopy, retrograde pyelography, lymphoscintigraphy and more recently magnetic resonance lymphography. Due to frequent spontaneous remissions, traitement can require only dietary measures...
December 2016: Progrès en Urologie
https://www.readbyqxmd.com/read/28199317/colorimetric-tests-for-diagnosis-of-filarial-infection-and-vector-surveillance-using-non-instrumented-nucleic-acid-loop-mediated-isothermal-amplification-nina-lamp
#6
Catherine B Poole, Zhiru Li, Andy Alhassan, Dylan Guelig, Steven Diesburg, Nathan A Tanner, Yinhua Zhang, Thomas C Evans, Paul LaBarre, Samuel Wanji, Robert A Burton, Clotilde K S Carlow
Accurate detection of filarial parasites in humans is essential for the implementation and evaluation of mass drug administration programs to control onchocerciasis and lymphatic filariasis. Determining the infection levels in vector populations is also important for assessing transmission, deciding when drug treatments may be terminated and for monitoring recrudescence. Immunological methods to detect infection in humans are available, however, cross-reactivity issues have been reported. Nucleic acid-based molecular assays offer high levels of specificity and sensitivity, and can be used to detect infection in both humans and vectors...
2017: PloS One
https://www.readbyqxmd.com/read/28181472/circulating-microfilariae-in-haematological-malignancies-do-they-have-a-role-in-pathogenesis
#7
L S Kerketta, K Ghosh
Filariasis is very common in tropical countries. It is endemic in the coastal areas of India. We report four cases of haematological malignancy where peripheral blood and bone marrow smears did not show any microfilariae but conventional cytogenetic preparations from all the four cases showed the presence of parasites. Their morphology confirmed the diagnosis of all cases as bancroftian filariasis. Therefore all types of cytogenetic preparations should be screened carefully in the endemic areas along the coastal zones of India for the presence of this parasite...
February 9, 2017: Journal of Helminthology
https://www.readbyqxmd.com/read/28054225/spectrum-and-burden-of-neglected-tropical-diseases-observed-in-an-infectious-and-tropical-diseases-unit-in-florence-italy-2000-2015
#8
Lorenzo Zammarchi, Iacopo Vellere, Leonardo Stella, Filippo Bartalesi, Marianne Strohmeyer, Alessandro Bartoloni
Neglected tropical diseases (NTDs) are a diverse group of acute and chronic conditions with distinct characteristics that thrive mainly among the poorest populations, almost exclusively in tropical countries. To evaluate the relevance and impact of NTDs in a temperate area, the number and features of patients diagnosed with NTDs at the Infectious and Tropical Diseases Unit (ITDU), Azienda Ospedaliero-Universitaria Careggi, Florence, Italy between 2000 and 2015 were retrospectively reviewed. Overall 289 NTD cases were diagnosed in 283 subjects accounting for 2...
January 4, 2017: Internal and Emergency Medicine
https://www.readbyqxmd.com/read/28009239/central-nervous-system-filariasis-masquerading-as-a-glioma-case-report
#9
Adesh Shrivastava, Prateek Arora, Akriti Khare, Garima Goel, Neelkamal Kapoor
Filariasis, an endemic zoonosis in the Southeast Asia region, has been reported to affect various organs as well as the central nervous system (CNS). Inflammatory reactions mimicking those from neoplastic lesions clinically and radiologically have been reported in the breast and urinary bladder. To date, a CNS manifestation of filarial infestation has been reported in the form of meningoencephalitis. The authors here present an interesting case of a young man presenting in status epilepticus, which on radiological evaluation appeared to be a glioma...
December 23, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27867674/filariasis-of-stensen-s-duct-an-index-case
#10
Eishaan K Bhargava, Nikhil Arora, Varun Rai, Ravi Meher, Prerna Arora, Ruchika Juneja
Filariasis, a neglected tropical disease, is a global health problem and is endemic to 73 countries including India. It is caused by nematodes of Filariodidea family, namely, W. bancrofti and B. malayi in India, which have a predilection for the lower limbs and testis. We report a never before reported case of filariasis of the main parotid duct in a 25-year-old male that resolved on medical management, exemplifying the importance of maintaining a high index of suspicion and careful examination of cytological smears in endemic countries, allowing for an early diagnosis and treatment, decreasing the morbidity of this debilitating disease...
2016: Case Reports in Otolaryngology
https://www.readbyqxmd.com/read/27729568/positivity-of-antigen-tests-used-for-diagnosis-of-lymphatic-filariasis-in-individuals-without-wuchereria-bancrofti-infection-but-with-high-loa-loa-microfilaremia
#11
Sébastien D Pion, Céline Montavon, Cédric B Chesnais, Joseph Kamgno, Samuel Wanji, Amy D Klion, Thomas B Nutman, Michel Boussinesq
Since the mid-2000s, the immunochromatographic card test (ICT), a point-of-care test for detecting Wuchereria bancrofti circulating filarial antigens (CFAs), has been the backbone for mapping and monitoring lymphatic filariasis (LF) worldwide. Recently, there have been instances in which CFA positivity has been associated with Loa loa microfilaremia. Here, we examined the association, at both the community and individual levels, between L. loa and CFA using additional diagnostic tools (quantitative polymerase chain reaction [qPCR], Og4C3 enzyme-linked immunosorbent assay, and IgG4 antibodies to Wb123 assays) to demonstrate the relationship between L...
December 7, 2016: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/27474244/-screening-of-parasitic-diseases-in-the-asymptomatic-immigrant-population
#12
Lidia Goterris, Cristina Bocanegra, Núria Serre-Delcor, Zaira Moure, Begoña Treviño, Francesc Zarzuela, Mateu Espasa, Elena Sulleiro
Parasitic diseases suppose an important health problem in people from high endemic areas, so these must be discarded properly. Usually, these infections develop asymptomatically but, in propitious situations, are likely to reactivate themselves and can cause clinical symptoms and/or complications in the receiving country. Moreover, in some cases it is possible local transmission. Early diagnosis of these parasitic diseases made by appropriate parasitological techniques and its specific treatment will benefit both, the individual and the community...
July 2016: Enfermedades Infecciosas y Microbiología Clínica
https://www.readbyqxmd.com/read/27413335/adult-filarial-worm-from-the-breast-aspirate-of-a-young-man
#13
Hilda Fernandes, Beena Mary Thomas, Indira Putran
Microfilariae and adult filarial worm have been incidentally detected in fine needle aspirates of various lesions in clinically unsuspected cases. Here we report a male patient who presented with a tender breast nodule and single enlarged lymph node. Fine Needle Aspiration (FNA) yielded 1 ml of yellow coloured fluid and single thread like worm measuring 6 × 0.2 cm. A diagnosis of breast abscess with a worm morphologically consistent with filariasis was offered. A follow up visit after 2 months showed regression of the breast lesion and the lymph node...
June 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/27313932/a-rare-case-of-ovarian-filariasis-in-abidjan
#14
Doukouré Brahima, Abouna Alain Didier, Dou Gonat Serge Pacôme, Aman Nguiessan Alphonse, Koffi Abdoul, Diomandé Mohenou Isidore Jean-Marie
Ovarian filariasis is an exceptional disease and displays a major diagnostic problem even in endemic areas. We reported the case of a 19-year-old patient who had ovarian cyst which was revealed by chronic pelvic pain. The histological examination of oophorectomy specimen led to the Wuchereria bancrofti filariasis of the ovary. The anatomopathologic examination is required for the diagnosis of this disease.
2016: Case Reports in Pathology
https://www.readbyqxmd.com/read/27182151/microfilarial-involvement-of-the-neck-region-a-case-report-and-review-of-literature
#15
Varun Kumar Singh, Abhishek Kashyap, Harekrushna Sahu, Geetika Khanna, Vinay Prabhat
INTRODUCTION: Filariasis is caused by parasitic infections, most commonly Brugia malayi and Wuchereria bancrofti. India is one of the endemic countries for such disease. The usually involved organs are lower limbs and external genitalia. Neck region is rarely involved and only a few cases have been reported in literature. CASE REPORT: We reported such a case where filarial involvement has involved the neck region and reached up to the level of upper cervical vertebra...
April 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/27159510/ocular-filariasis-in-us-residents-returning-travelers-and-expatriates
#16
James H Diaz
Several factors acting in concert now place US residents, returning travelers, and expatriates at risks of contracting ocular filariasis including increasing seroprevalence rates of zoonotic filariasis, international travel bringing tourists to and expatriates from filariasis-endemic regions, and warming temperatures extending distribution ranges of arthropod vectors. To describe the epidemiology and outcomes of ocular filariasis and to recommend strategies for the diagnosis, management, and prevention of ocular filariasis, internet search engines were queried with the key words in order to examine case reports and series of ocular filariasis in the US and elsewhere...
July 2015: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/27138537/ocular-filariasis-in-us-residents-returning-travelers-and-expatriates
#17
James H Diaz
Several factors acting in concert now place US residents, returning travelers, and expatriates at risks of contracting ocular filariasis including increasing seroprevalence rates of zoonotic filariasis, international travel bringing tourists to and expatriates from filariasis-endemic regions, and warming temperatures extending distribution ranges of arthropod vectors. To describe the epidemiology and outcomes of ocular filariasis and to recommend strategies for the diagnosis, management, and prevention of ocular filariasis, internet search engines were queried with the key words in order to examine case reports and series of ocular filariasis in the US and elsewhere...
July 2015: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/27130361/-filarial-dance-sign-real-time-ultrasound-diagnosis-of-filarial-oophoritis
#18
Surekha Panditi, Ashwini G Shelke, Laxmi Narasimha Praveen Thummalakunta
Filariasis is a parasitic disease caused by Filarial nematodes (Wuchereria bancrofti, Brugia malayi, and Brugia timori) that commonly causes lymphatic obstruction resulting in edema and increase in the size of the affected organ. Filariasis is diagnosed by identifying microfilariae on Giemsa stain. The immunochromatographic card test is diagnostic. Ultrasound is the imaging modality of choice for detecting adult filarial worms/microfilaria in the lymphatic system, which are responsible for the classic "filarial dance sign" caused by twirling movements of the microfilariae...
October 2016: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/27085707/detection-and-quantification-of-wuchereria-bancrofti-and-brugia-malayi-dna-in-blood-samples-and-mosquitoes-using-duplex-droplet-digital-polymerase-chain-reaction
#19
Jurairat Jongthawin, Pewpan M Intapan, Viraphong Lulitanond, Oranuch Sanpool, Tongjit Thanchomnang, Lakkhana Sadaow, Wanchai Maleewong
Lymphatic filariasis, a mosquito-borne disease, is still a major public health problem in tropical and sub-tropical countries. Effective diagnostic tools are required for identification of infected individuals, for epidemiological assessment, and for monitoring of control programs. A duplex droplet digital polymerase chain reaction (ddPCR) was conducted to differentiate and quantify Wuchereria bancrofti DNA by targeting the long DNA repeat (LDR) element and Brugia malayi DNA by targeting the HhaI element in blood samples and mosquito vectors...
August 2016: Parasitology Research
https://www.readbyqxmd.com/read/27011444/unusual-presentation-of-filariasis-as-an-abscess-a-case-report
#20
Mukta Ahuja, Sonam Kumar Pruthi, Renu Gupta, Pratima Khare
Bancroftian filariasis, a tropical and subtropical disease caused by Wuchereria bancrofti, is transmitted by the culex mosquito. The disease is conventionally diagnosed by the demonstration of microfilaria in peripheral blood smear. Microfilaria and adult filarial worms have been incidentally detected in fine needle aspiration cytology (FNAC) in various locations. The disease may be missed if one is not aware of the possibility, particularly in cases where eosinophilia is absent. Therefore, clinicians and pathologists need to be more vigilant in the endemic zones for early diagnosis and the treatment of filariasis...
January 2016: Journal of Cytology
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