keyword
https://read.qxmd.com/read/38228446/zoonotic-dirofilariases-one-no-one-or-more-than-one-parasite
#1
REVIEW
Livia Perles, Filipe Dantas-Torres, Jürgen Krücken, Rodrigo Morchón, Julia Walochnik, Domenico Otranto
Dirofilaria spp. are vector-borne filarial nematodes that affect a variety of animal species, including humans. Dirofilaria immitis and Dirofilaria repens are the two main zoonotic species, but also other wildlife-associated Dirofilaria species are occasionally reported as causative agents of human dirofilariasis, including Dirofilaria striata, Dirofilaria tenuis, Dirofilaria ursi, Dirofilaria spectans, and Dirofilaria magnilarvata. Since the etiological identity of most of the species mentioned here is arguable, we summarized and critically discussed data concerning infections in humans, focusing on the reliability of Dirofilaria species identification...
January 15, 2024: Trends in Parasitology
https://read.qxmd.com/read/31524944/subcutaneous-human-dirofilariosis-by-d-repens-in-south-italy-a-case-report
#2
JOURNAL ARTICLE
Gaetano Brindicci, Carmen Rita Santoro, Fabio Signorile, Armando Leone, Giuseppe Di Ciaula, Laura Monno, Gioacchino Angarano
Human dirofilariosis is a zoonosis caused by different Dirofilaria species: D. repens, D. immitis, D. tenuis and D. ursi, thin nematodes belonging to the Onchocercidae family, whose larval stages are generally found in the natural (felines and canids) or accidental (human) definitive host. In Europe, human infection is rare, even in areas considered endemic such as Spain or Italy. In this paper we describe the case of an 82-year-old woman living in Modugno (Bari municipality), who came to our observation for a subcutaneous nodule on her right thigh that had appeared in the previous two weeks and gradually became necrotic...
August 16, 2019: New Microbiologica
https://read.qxmd.com/read/24027489/roundworm-associated-median-nerve-compression-a-case-report
#3
JOURNAL ARTICLE
Jose M Ramirez, Miguel A Ramirez, Anthony Essilfie, Cristina E Taylor, Harry C Stearns, Anthony Mollano
Human dirofilariasis is a rare zoonotic infection caused by the bite of a blood-feeding mosquito infected with a filarial nematode (roundworm). these infections can manifest as stationary or migratory subcutaneous or conjunctival nodules. We report an unusual case of Dirofilaria tenuis (D.tenuis) infection that developed into a space- occupying lesion in the wrist leading to median nerve compression pathology in an otherwise healthy young woman. We also comment on the natural history of the disease and report the outcome after surgical excision...
2013: Iowa Orthopaedic Journal
https://read.qxmd.com/read/17944170/human-dirofilariasis-raccoon-heartworm-causing-a-leg-nodule
#4
JOURNAL ARTICLE
Mandy L Warthan, T Lynn Warthan, Ron H Hearne, Aaron C Polk, Molly M Warthan
Human dirofilariasis is a rare zoonotic infection caused by various filarial species of the genus Dirofilaria. Dirofilaria tenuis causes heartworm infection in raccoons and infrequently causes human disease. The Dirofilaria organism accidentally is transmitted to humans through the bite of a mosquito and subcutaneous nodules, coin lesions of the lungs, or ophthalmic lesions develop at the inoculation site. We report a rare case of D tenuis infection in a patient that manifested as a subcutaneous nodule.
August 2007: Cutis; Cutaneous Medicine for the Practitioner
https://read.qxmd.com/read/14433272/studies-on-the-mortality-of-mosquitoes-infected-with-dirofilaria-tenuis-chandler-1942
#5
JOURNAL ARTICLE
W R PISTEY
No abstract text is available yet for this article.
December 1959: Experimental Parasitology
https://read.qxmd.com/read/13621321/studies-on-the-development-of-dirofilaria-tenuis-chandler-1942
#6
JOURNAL ARTICLE
W R PISTEY
No abstract text is available yet for this article.
December 1958: Journal of Parasitology
https://read.qxmd.com/read/10657147/development-of-a-pcr-and-probe-based-test-for-the-sensitive-and-specific-detection-of-the-dog-heartworm-dirofilaria-immitis-in-its-mosquito-intermediate-host
#7
JOURNAL ARTICLE
K J Watts, C H Courteny, G R Reddy
The mosquito-borne filarial worm, Dirofilaria immitis, causes heartworm disease in dogs. Detection of this parasite in its mosquito intermediate host currently involves dissection and microscopic examination for larval stages. Although this method is used commonly as a screening tool for epidemiological surveys, it lacks both sensitivity and specificity. In this study, a more efficient PCR- and probe-based diagnostic assay was developed. The target selected for this assay is a segment of the 16 S rRNA gene...
December 1999: Molecular and Cellular Probes
https://read.qxmd.com/read/9802094/the-species-of-the-genus-dirofilaria-railliet-henry-1911
#8
REVIEW
G Canestri Trotti, S Pampiglione, F Rivasi
Some authors divide the genus Dirofilaria into two subgenera. The subgenus Dirofilaria consists of 5 apparently valid species (D. ailure, D. freitasi, D. immitis, D. lutrae, D. spectans) and 7 species of questionable validity (D. fausti, D. indica, D. louisianensis, D. magalhaesi, D. nasuae, D. pongoi, D. spirocauda). The subgenus Nochtiella consists of 22 apparently valid species (D. acutiuscula, D. bonnei, D. cancrivori, D. corynodes, D. genettae, D. granulosa, D. incrassata, D. linstowi, D. macacae, D. macrodemos, D...
December 1997: Parassitologia
https://read.qxmd.com/read/9312730/-subcutaneous-human-dirofilariasis
#9
REVIEW
O Zardi, E M Zardi, P Falagiani, D M Zardi, M C Zardi, F Barduagni, O Barduagni
After a short review of the literature, starting from the last decades of the past century, the current classification of the Dirofilaria genus is shown with its two subgenera: D. immitis and D. nochtiella (repens, tenuis and ursi). The first case of subcutaneous and pulmonary dirofilariasis caused in Italy by D. repens is then shown as well as a research on dog populations in which D. immitis is prevalent. The fact that D. immitis has not yet been isolated in humans, in Italy, is probably due to D. repens vectors being more anthropophile...
February 1997: Pathologica
https://read.qxmd.com/read/8885904/filariae-of-raccoons-from-southeast-georgia
#10
JOURNAL ARTICLE
O J Pung, P H Davis, D J Richardson
The prevalence of filariae in wild raccoons trapped in southeast Georgia was determined. Examination of blood samples revealed that 74 of 113 raccoons (66%) trapped in 6 southeastern Georgia counties were infected. Seventy-three of these raccoons (65%) were infected with Mansonella llewellyni and this parasite was observed in raccoons from every location examined. Dirofilaria tenuis was found in 22 raccoons (20%) and was observed in only 3 of the 6 counties surveyed. An adult specimen of Acanthocheilonema procyonis was found in the subcutaneous tissues of 1 of 5 necropsied raccoons...
October 1996: Journal of Parasitology
https://read.qxmd.com/read/8778658/human-dirofilariasis-due-to-dirofilaria-nochtiella-repens-a-review-of-world-literature
#11
REVIEW
S Pampiglione, G Canestri Trotti, F Rivasi
For some Dirofilaria spp. of zoonotic importance, such as D.immitis, D.tenuis, D.ursi, reviews of human cases were often published. For D. repens there is no published information giving a picture of the importance of the problem and of the geographical distribution of the parasite in the world. From a study of the international literature and from direct experience (our workgroup observed 75 cases in Italy) we have ascertained that the condition associated with D. repens is the most frequent and the most widely distributed in the world, of the dirofilariases of medical relevance: comprehensively 397 cases were recorded in 30 countries, exclusively in the Old World, with endemic foci in Southern and Eastern Europe, Asia Minor, Central Asia and Sri Lanka...
December 1995: Parassitologia
https://read.qxmd.com/read/8551511/polymerase-chain-reaction-based-method-for-the-detection-of-canine-heartworm-filarioidea-onchocercidae-in-mosquitoes-diptera-culicidae-and-vertebrate-hosts
#12
JOURNAL ARTICLE
G A Scoles, S Kambhampati
A polymerase chain reaction (PCR)-based test was developed to aid in identification of Dirofilaria sp. and for use in surveys for infected vectors of Dirofilaria immitis (Leidy). A set of PCR primers was designed based on the DNA sequence of a D. immitis surface antigen gene. The predicted product was a 378 base-pair DNA fragment. The target fragment was amplified from free D. immitis larvae (both L3 and microfilariae), individual infected mosquitoes, pools of 30 mosquitoes (including a single infected mosquito), infected mosquitoes stored desiccated at room temperature for 7 mo, and whole blood from a dog infected with D...
November 1995: Journal of Medical Entomology
https://read.qxmd.com/read/8355094/dirofilaria-tenuis-infection-of-the-oral-mucosa-and-cheek
#13
JOURNAL ARTICLE
B M Collins, A C Jones, F Jimenez
No abstract text is available yet for this article.
September 1993: Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/7865454/periorbital-dirofilariasis
#14
JOURNAL ARTICLE
R C Kersten, A J Locastro, M L Eberhard, A G Spaulding, D R Kulwin
A differential diagnosis of inflammatory periocular soft tissue masses includes sarcoidosis, ruptured dermoid cyst, infectious abscess, metastatic neoplastic disease, and idiopathic pseudotumor. The authors present the case of a 42-year-old woman with a periocular inflammatory mass caused by dirofilaria of a nematode classification as Dirofilaria tenuis. The extraction of the worm was curative and the patient has been symptom-free for the ensuing 12 months. This zoonotic infection, spread by mosquito vectors from animal hosts to humans, is rarely encountered in the United States as a cause of periorbital inflammation...
December 1994: Ophthalmic Plastic and Reconstructive Surgery
https://read.qxmd.com/read/7611540/subcutaneous-dirofilariasis-in-collier-county-florida-usa
#15
JOURNAL ARTICLE
A J Herzberg, P R Boyd, Y Gutierrez
A 10-year review of the surgical pathology files of the Department of Pathology at Naples Community Hospital (Naples, FL, U.S.A.) revealed 10 cases of Dirofilaria tenuis and one of Dirofilaria ursi infection. The review consisted of only those lesions for which the pathologists had recorded the presence of a worm in the lesion. Therefore, an unknown number of subcutaneous lesions without parasites were not reviewed. Nine of the 11 cases of Dirofilaria were diagnosed as Dirofilaria or Dirofilaria tenuis originally...
August 1995: American Journal of Surgical Pathology
https://read.qxmd.com/read/6731666/breast-nodule-produced-by-dirofilaria-tenuis
#16
JOURNAL ARTICLE
Y Gutierrez, G M Paul
A case of Dirofilaria tenuis presenting as a breast nodule is reported in a patient who traveled to the southeast United States 6 months before the nodule was noted. It illustrates an unusual diagnostic problem, especially since it presented in a nonendemic area. The morphological criteria for diagnosis of D. tenuis in tissue sections are noted.
June 1984: American Journal of Surgical Pathology
https://read.qxmd.com/read/6539296/diagnostic-features-of-zoonotic-filariae-in-tissue-sections
#17
JOURNAL ARTICLE
Y Gutierrez
The diagnostic features in tissue sections from patients with zoonotic filarial infections are reviewed. In general, two types of infections are recognized: 1) those presenting radiologically in healthy patients as coin lesions, which are usually removed because a clinical diagnosis of carcinoma of the lung is made and infarcts containing Dirofilaria immitis parasites in pulmonary arteries are found; and 2) those presenting as subcutaneous nodules, in which D. tenuis, a parasite from raccoons, D. repens, from dogs and cats, D...
June 1984: Human Pathology
https://read.qxmd.com/read/5840636/morphology-and-relationship-of-dirofilaria-tenuis-and-dirofilaria-conjunctivae
#18
JOURNAL ARTICLE
T C Orihel, P C Beaver
No abstract text is available yet for this article.
November 1965: American Journal of Tropical Medicine and Hygiene
https://read.qxmd.com/read/5552589/report-of-case-in-texas-subcutaneous-nodules-caused-by-dirofilaria-tenuis
#19
JOURNAL ARTICLE
J A Werth, N N Izzat, W M McClarin
No abstract text is available yet for this article.
April 1971: Texas Medicine
https://read.qxmd.com/read/4012857/dirofilariasis-of-the-breast
#20
JOURNAL ARTICLE
G C Raju, V Naraynsingh, N Jankey
Sections of an adult filarial worm, probably Dirofilaria tenuis or related species were found within the breast tissue. This is the first human dirofilarial infection reported from Trinidad.
March 1985: Tropical and Geographical Medicine
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