Abdul Haleem, Muna Al Juboury, Hussa Al Husseini,
... 1 Conventional diagnostic procedures include the demonstration of microfilaria in the blood smears or in the skin ... worms may require special stains for identification. Similarly, microfilaria may be missed if you are not aware ... adult filarial worm along with many free-living microfilaria in the surrounding connective tissue. The adult worm ... the cuticle. The adjacent connective tissue show many microfilaria. (H&E, 400x).Download FigureCase 2A 78-year- ... and calcified gravid female filarial worm with necrotic microfilaria in their body cavities (Figure 2). A diagnosis ...
Tópico(s): Parasite Biology and Host Interactions
2002 - King Faisal Specialist Hospital and Research Centre | Annals of Saudi Medicine
B.R. Laurence, Michael G. Simpson,
(1) The structure of the microfilaria of Brugia ( B. patei and B. pahangi ) is redescribed and the development of B. patei is followed in the mosquito Aedes ... are formed around the pharyngeal thread of the microfilaria. Part of this thread is moulted with the ... is built up around the Innenkörper of the microfilaria from cells of the nuclear column. (4) The ... cells (G 2—G 4 cells) of the microfilaria and the anal vesicle of the microfilaria continue into the second stage larva and eventually ... nuclear column. (6) The subcuticular cells of the microfilaria continue as elongate spindle shaped cells in the ...
Tópico(s): Insect symbiosis and bacterial influences
1971 - Cambridge University Press | Journal of Helminthology
Sachin Kolte, Rahul Satarkar, PratibhaM Mane,
... the lymph node showing tumor cells along with microfilaria (PAP ×40). Inset (upper) showing sheathed microfilaria with inflammatory cells. Inset (lower) showing tumor cells ... years.[2] Despite the high incidence of filariasis, microfilaria in FNAC is not a very common finding. ... in cytological smears. On searching the literature for microfilaria with malignant neoplasm, we have found some case reports describing coexistence of microfilaria with primary malignant tumor.[3–5] We have not found any case of microfilaria with secondary deposits. The presence of microfilariae along ...
Tópico(s): Helminth infection and control
2010 - Medknow | Journal of Cytology
IA Adediran, RB Fesogun, Anthony Oyekunle,
... haematocrit and, in the tropics, negative screening for microfilaria that may precipitate allergy. The high prevalence of anaemia and microfilaria, though treatable, has contributed to the dearth of ... donors that were rejected for anaemia and or microfilaria infestation during the study period were studied for ... rejected for anaemia alone, 10 (16.7%) for microfilaria alone and 5 (8.3%) for both anaemia and microfilaria. The mean ages of those rejected were 33. ... anaemia alone, 29.9(+/- 8.5) years for microfilaria alone and 35.4(+/- 8.3) years for ...
Tópico(s): Parasitic Diseases Research and Treatment
2006 - Medknow | Nigerian Journal of Medicine
Frank O. Richards, Mark L. Eberhard, Richard T. Bryan, D. F. McNeeley, Patrick J. Lammie, M B McNeeley, Yvette Bernard, Allen W. Hightower, Harrison C. Spencer,
... oral dose of ivermectin (phase 1) to reduce microfilaria densities. Participants were randomized into three groups: Group ... phase 1, 27 of 30 (90%) patients were microfilaria negative. During phase 2, four of the six ... groups had less than 10% return to pretreatment microfilaria levels. The mean percent of baseline microfilaria counts were for Group 1, 0.9% (range ... 0–25%). Seven individuals in Group 1 were microfilaria-negative, while only one and three individuals were microfilaria-negative in Groups 2 and 3, respectively. These ...
Tópico(s): Parasite Biology and Host Interactions
1991 - American Society of Tropical Medicine and Hygiene | American Journal of Tropical Medicine and Hygiene
D Richard-Lenoble, Y. Al Qubati, Laurent Toé, Pierre‐Jean Pisella, P Gaxotte, Abdoulakim Al Kohlani,
... found in sowda cases. In classical optical microscopy, microfilaria is morphologically indifferenciable between sowda and onchocerciasis clinical ... out on patients of both groups. Identification of microfilaria by molecular biology through the study of the ... genome was done out of 5 skin snips. Microfilaria was kept dry between laminas and the DNA extracted from rehydrated microfilaria. DNA was intensified with specific primers of Onchocerca ... but without any clinical sowda and corresponding to microfilaria O. volvulus type but different from the forest ...
Tópico(s): Parasites and Host Interactions
2001 - Elsevier BV | Bulletin de l Académie Nationale de Médecine
Richard J. Martin, Alan P. Robertson, Shivani Choudhary,
... parasitic nematodes.Ivermectin is very effective for controlling microfilaria at low doses but it has limited effects ... however, very effective at low plasma concentrations against microfilaria, and it impairs adult filaria fertility for long ... inhibition by Bma-AVR-14A GluClWhole Brugia and microfilaria<88 (<100 nM)[31.Moreno Y. et al. ... the main target; (iii) inhibition of egg or microfilaria release when the female reproductive tract is the ... and reproductive tissues of filaria and suppression of microfilaria production by female worms. The significance of the ...
Tópico(s): Parasite Biology and Host Interactions
2020 - Elsevier BV | Trends in Parasitology
Edward Thomsen, Nelly Sanuku, Manasseh Baea, Samson Satofan, Elit Maki, Bart Lombore, Mark S. Schmidt, Peter M. Siba, Gary J. Weil, James W. Kazura, Lawrence Fleckenstein, Christopher L. King,
... LF) are limited in their longterm clearance of microfilaria from the blood. The safety and efficacy of ... 200 μg/kg (N = 12), and monitored for microfilaria, parasite antigenemia, adverse events (AEs), and serum drug ... Triple-drug therapy induced >2-log reductions in microfilaria levels at 36 and 168 hours after treatment ... All 12 individuals who received 3 drugs were microfilaria negative 1 year after treatment, whereas 11 of 12 individuals in the 2-drug regimen were microfilaria positive. In 6 participants followed 2 years after ...
Tópico(s): Parasites and Host Interactions
2015 - Oxford University Press | Clinical Infectious Diseases
Produção Nacional
Revisado por pares
Jacob Moysés Cohen, J.A. Ribeiro, Marilaine Martins,
... All subjects were submitted to blood test for microfilaria and the subjects who had a positive test ... and ophthalmologic examination. Histopathology and PCR research for microfilaria were done on eye biopsies of suspect lesions. ... and corneal biopsy of one patient showed no microfilaria or alterations due to its presence on histopathology. PCR showed no evidence of microfilaria in the other biopsies.Association between Mansonella ozzardi ... high mansonelliasis prevalence populations and extensive employment of microfilaria identification tests in ocular tissue are needed to ...
Tópico(s): Body Image and Dysmorphia Studies
2008 - Conselho Brasileiro de Oftalmologia | Arquivos Brasileiros de Oftalmologia
Mike Y. Osei‐Atweneboana, J.K.L. Eng, Daniel A. Boakye, John O. Gyapong, Roger K. Prichard,
... from 342 individuals from ten communities, who were microfilaria positive at pretreatment assessment, on days 90 and ... of ivermectin on female worm fertility, assessed by microfilaria repopulation. Findings 487 (19%) of the 2501 participants were microfilaria positive. The microfilaria prevalence and community microfilarial load in treated communities ... doubled between 2000 and 2005 in two communities. Microfilaria assessment 30 days after ivermectin treatment showed 100% clearance of microfilaria in more than 99% of people. At day ...
Tópico(s): Parasite Biology and Host Interactions
2007 - Elsevier BV | The Lancet
Peter Fischer, Taniawati Supali, Heri Wibowo, I. Bonow, Steven A. Williams,
... of the filarial parasite Brugia malayi. A single microfilaria added to 200 microl of blood was reliably ... the presence of microfilariae by filtration revealed 44 microfilaria carriers. All microfilaria carriers were also positive in the PCR-ELISA ... blood samples collected from 113 persons. Whereas 37 microfilaria carriers were identified by filtration of night blood, ... positive in all 37 night blood samples of microfilaria carriers and in an additional 13 night blood ... was detected in 31 day blood samples of microfilaria carriers and in 3 day blood samples of ...
Tópico(s): Insect symbiosis and bacterial influences
2000 - American Society of Tropical Medicine and Hygiene | American Journal of Tropical Medicine and Hygiene
Mbunkah Daniel Achukwi, William Harnett, Alfons Renz,
... Cameroon and related to cattle O. ochengi skin microfilaria abundance. During the 12 months study period, a ... months of January to mid-March when dermal microfilaria density in the animals was also the highest. The O. ochengi microfilaria uptake by the fly vectors was host microfilaria density-dependent. The MTP of O. ochengi was positively correlated with dermal microfilaria density. The mean number of microfilariae per fly ...
Tópico(s): Insect symbiosis and bacterial influences
2000 - BioMed Central | Veterinary Research
... was chosen as a chemotherapeutic course only for microfilaria positives, which was repeated with an interval of ... from the various points of view, such as microfilaria positive rates, incidence as well as prevalence rates. The change of microfilaria counts was also utilized for the comparison of ... surveys. Considering the extremely skewed distribution of average microfilaria density, the mode of frequency distribution of microfilaria density in a population was particularly taken into ... a + b log X(a, b; constants, X=microfilaria density; Y=probit scale of cumulative frequency of ...
Tópico(s): Parasitic Diseases Research and Treatment
1974 - Korean Society for Parasitology | Korean Journal of Parasitology
Joseph B. Koroma, Momodu M Bangura, Mary H. Hodges, Mohamed S. Bah, Yaobi Zhang, Moses J. Bockarie,
... and geographic spread of the disease. A baseline microfilaria survey was then conducted to determine LF prevalence and microfilaria intensity. In 2005 1,982 persons of 15 ... m. and 2 a.m. and examined for microfilaria (mf) from 9,288 persons from 16 sentinel ... versus > 20 years demonstrating early exposure. Baseline LF microfilaria load will be used to monitor PCT program ...
Tópico(s): Parasite Biology and Host Interactions
2012 - BioMed Central | Parasites & Vectors
Chayanika Pantola, Sanjay Kala, Asha Agarwal, Lubna Khan,
... a major public health problem in India and microfilaria is sometimes seen during routine fine needle aspiration ... smears, but it is very rare to find microfilaria coexistent with neoplastic lesions. Here we report a series of seven cases in which microfilaria is associated with neoplastic lesions. Out of these ... are malignant. Also we first time report the microfilaria coexistent with parotid pleomorphic adenoma, undifferentiated carcinoma thyroid ...
Tópico(s): Insects and Parasite Interactions
2012 - Medknow | Tropical parasitology
K A Dimock, Mark L. Eberhard, Patrick J. Lammie,
... immune state in bancroftian filariasis (that is, both microfilaria and antigen free), humoral and cellular responses were compared among antigen- and microfilaria-negative, antigen-positive and microfilaria-negative, and microfilaria-positive individuals. Antifilarial isotype levels were measured by ... the elevated Th1-like responses in antigen- and microfilaria-negative individuals are consistent with the hypothesis that ...
Tópico(s): Parasites and Host Interactions
1996 - American Society for Microbiology | Infection and Immunity
David G. Addiss, K A Dimock, Mark L. Eberhard, Patrick J. Lammie,
... 64 persons with lymphedema of the leg were microfilaria-positive (P < .001). Circulating filarial antigen, presumably from the adult worm, was detected in 15 (43%) microfilaria-negative men with hydrocele and 9 (15%) microfilaria-negative persons with leg edema (P = .004). Microfilaria-positive men had lower levels of filaria-specific ... significantly smaller volume and shorter duration than did microfilaria-negative men; hydrocele volume was inversely associated with ...
Tópico(s): Parasite Biology and Host Interactions
1995 - Oxford University Press | The Journal of Infectious Diseases
... 0%) of 1351 individuals examined were infected with microfilaria. Forty-six percent of microfilaria positive cases had M. perstans; 25.6% had ... of infected individuals had counts of 50-100 microfilaria per 20 mm3 blood, 12.5% had counts less than five microfilaria per 20 mm3 blood. Onchocerca microfilariae did not exceed five microfilaria per snip. Microfilarial density was high among individuals ...
Tópico(s): Parasite Biology and Host Interactions
1986 - Maney Publishing | Annals of Tropical Medicine and Parasitology
Frank Hawking, Peter J. Moore, Kenneth Gammage, M. J. Worms,
... the 24-hour cycle of the host. The microfilaria count of Dirofilaria immitis is not affected by ... the lowering is extreme (below 30°), when the microfilaria count falls. This phenomenon probably has no significance for the 24-hour microfilaria cycle. The microfilaria count of Litomosoides carinii in the cotton rat ... animals are in their "nest" or burrow. The microfilaria counts of Dipetalonema gracile and Acanthocheilonema perstans are ...
Tópico(s): Parasite Biology and Host Interactions
1967 - Oxford University Press | Transactions of the Royal Society of Tropical Medicine and Hygiene
Frank Hawking, S Pattanayak, H. L. Sharma,
... night or by day did not alter the microfilaria count of Wuchereria bancrofti or Brugia malayi in ... body temperature by day did not raise the microfilaria count of W. bancrofti, although it caused a ... may have a slight tendency to raise the microfilaria count, and drugs which stimulate it e.g. ... the administration of oxygen reduces the night-time microfilaria count of W. bancrofti and of B. malayi ... less after 03·00 than before it. The microfilaria count of W. bancrofti was often slightly raised ...
Tópico(s): Insect symbiosis and bacterial influences
1966 - Oxford University Press | Transactions of the Royal Society of Tropical Medicine and Hygiene
Christopher D. Crowder, Heather Matthews, Megan A. Rounds, Feng Li, Steven E. Schutzer, Ranga Sampath, Steven A. Hofstadler, David J. Ecker, Mark W. Eshoo,
... examined at the time of collection for circulating microfilaria. Nucleic acids were extracted from all whole blood ... 13 of 13 antigen-positive dogs of unknown microfilaria status, 11 of 11 antigen-positive dogs with circulating microfilaria, 0 of 3 antigen-positive dogs tested at ... identify D immitis infection in dogs with circulating microfilaria via detection of the obligate Wolbachia endosymbiont of ... dogs with occult infections, which suggested that circulating microfilaria must be present to detect infection with this ...
Tópico(s): Mosquito-borne diseases and control
2012 - American Veterinary Medical Association | American Journal of Veterinary Research
Byong Seol Seo, Han Jong Rim, Young Chan Lim, Il Kwon Kang, Young Ok Park,
... with Brugia malayi. Cheju Do showed the highest microfilaria rate(3.5 %), North Kyongsang Do(1.4 %) ... inhabitants were examined and 407(17.6 %) showed microfilaria in Cheju Do. 30(3.1 %) out of ... Kyongsang Do were found to be infected. The microfilaria rates were 2.0 per cent for 400 ... South Cholla Do. However, no positive case of microfilaria was found in the inhabitants of Kokumdo among ... Norh Kyongsang Do and South Cholla Do the microfilaria rate of the male group is higher than ...
Tópico(s): Parasitic Diseases Research and Treatment
1968 - Korean Society for Parasitology | Korean Journal of Parasitology
Swasti Shubham, Arvind Ahuja, Minakshi Bhardwaj,
Filariasis is traditionally diagnosed on finding microfilaria in peripheral blood smear and in cases of occult filariasis by immunological tests. Clinically, it presents with a wide range of symptoms ... symptoms warranting kidney biopsy. Histopathology of both revealed microfilaria in the glomerular capillary loop. First case was ... of nephrotic range protienuria. Histopathology of both revealed microfilaria in the glomerular capillary loop. However, neither of ... diagnosis of filariasis on kidney biopsy by identifying microfilaria is very rare. High index of suspicion is ...
Tópico(s): Parasites and Host Interactions
2018 - Elsevier BV | Journal of Infection and Public Health
Seema Kaushal, Venkateswaran K. Iyer, Sandeep Mathur,
Microfilaria of Wuchereria bancrofti has been described in many cytological specimens, where typical blood film morphology has ... studies have not documented the morphological variations in microfilaria in cytological smears. In the present study, cytological ... range of these findings. The overlapping features with microfilaria of B. malayi might be related to subspecies ... This morphometric study highlights the morphological disparities of microfilaria and the differential diagnostic considerations.
Tópico(s): Parasite Biology and Host Interactions
2012 - Karger Publishers | Acta Cytologica
Uri Donnett, Kristina Hubbard, Kimberly Woodruff, Andrea S. Varela‐Stokes,
... Mississippi animal shelters. Further, we compare agreement between microfilaria and antigen testing in this population. We performed ... bank samples representative of the Mississippi shelter population. Microfilaria testing of whole blood included a blood smear ... positive test results. Only age was associated with microfilaria-positive test results. There was moderate agreement between the antigen ELISA test and the modified Knott microfilaria test and poor agreement between the antigen ELISA ...
Tópico(s): Parasites and Host Interactions
2018 - Elsevier BV | Veterinary Parasitology
Ketsarin Kamyingkird, Witchuta Junsiri, W. Chimnoi, Chanya Kengradomkij, S. Saengow, Keplee Sangchuto, Wicha Kajeerum, Decha Pangjai, Burin Nimsuphan, Tawin Inpankeaw, Sathaporn Jittapalapong,
To update the microfilaria infection in companion animals, this study determined the prevalence and risk factors of microfilaria infection in dogs and cats collected from eight ... PCR) and sequencing analysis. The overall prevalence of microfilaria infection in dogs and cats was 24.1% ( ... analysis of all positive PCR products identified the microfilaria as Dirofilaria immitis. D. immitis infection in each ...
Tópico(s): Parasite Biology and Host Interactions
2017 - | Agriculture and Natural Resources
Ta-Li Lu, Jun-Yue Wong, Ta-Lun Tan, Yong‐Wei Hung,
... 2064). In heartworm-positive dogs, 63% were both microfilaria positive and antigen positive, 35% were microfilaria negative and antigen positive, and only 2% were microfilaria positive and antigen negative. In the comparison of ... infection and clinical signs and the vagaries of microfilaria and antigen/antibody testing.
Tópico(s): Parasites and Host Interactions
2017 - BioMed Central | Parasites & Vectors
Chloe Nguyen, Wei Ling Koh, Andrea Casteriano, Niek Beijerink, Christopher Godfrey, Graeme Brown, D.L. Emery, Jan Šlapeta,
... current Australian conditions using a cohort of recent microfilaria-positive dogs which were on variable heartworm prevention.A hotspot of canine heartworm antigen-positive and microfilaria-positive dogs has been detected recently in Queensland, ... specific real-time PCR assay, were applied to microfilaria-positive dogs. The P-glycoprotein genotype was determined ... D. immitis specific real-time PCR, the calculated microfilaria concentration ranged from 1 to 44,957 microfilariae/ ...
Tópico(s): Parasite Biology and Host Interactions
2016 - BioMed Central | Parasites & Vectors
Chetna Agarwal, Monisha Chowdhary, Sabeena Langer, Meenu Aggarwal,
Presence of microfilaria in the thyroid gland is a rare finding. Filariasis is a common public health problem in the Indian sub-continent. Most of the cases of microfilaria in thyroid gland reported in the literature are ... Here, we present a rare case that showed microfilaria on fine needle aspiration cytology of solitary thyroid ...
Tópico(s): Parasitic Diseases Research and Treatment
2008 - Medknow | Indian Journal of Pathology and Microbiology
Moses N. Katabarwa, Albert Eyamba, Peace Habomugisha, Tom Lakwo, Albert Same Ekobo, Joseph Kamgno, Thomas Kuété, Richard Ndyomugyenyi, Ambrose W. Onapa, Salifou Mkpouwoueiko, M. Ntep, Frank O. Richards,
... of Cameroon and Uganda. Methods Baseline nodule and microfilaria (‘skin snip’) prevalence data were available from 10 ... nodules excised in 2005. Results The prevalence of microfilaria carriers among older children and adults (≥10 years) ... 0.0001). Similarly, in Uganda, the prevalence of microfilaria carriers fell from 71.9% to 7.49% ( ... 9.66% ( P < 0.0001). The number of microfilaria carriers among children <10 years in Cameroon decreased ...
Tópico(s): Parasite Biology and Host Interactions
2008 - Wiley | Tropical Medicine & International Health