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larva migrans

Esra Yilmaz, Moritz Fritzenwanker, Nikola Pantchev, Mathias Lendner, Sirichit Wongkamchai, Domenico Otranto, Inge Kroidl, Martin Dennebaum, Thanh Hoa Le, Tran Anh Le, Sabrina Ramünke, Roland Schaper, Georg von Samson-Himmelstjerna, Sven Poppert, Jürgen Krücken
BACKGROUND: Cutaneous dirofilariosis is a canine mosquito-borne zoonosis that can cause larva migrans disease in humans. Dirofilaria repens is considered an emerging pathogen occurring with high prevalence in Mediterranean areas and many parts of tropical Asia. In Hong Kong, a second species, Candidatus Dirofilaria hongkongensis, has been reported. The present study aimed to compare mitochondrial genomes from these parasites and to obtain population genetic information. METHODS AND FINDINGS: Complete mitochondrial genomes were obtained by PCR and Sanger sequencing or ILLUMINA sequencing for four worms...
October 2016: PLoS Neglected Tropical Diseases
P Sugathan, Meera Bhagyanathan
No abstract text is available yet for this article.
September 2016: Indian Journal of Dermatology
Stefano Veraldi, Luisa Angileri, Bethsabeth Abigail Parducci, Gianluca Nazzaro
No abstract text is available yet for this article.
August 10, 2016: Journal of Dermatological Treatment
M T Carrasquer-Pirla, S Clemos-Matamoros
No abstract text is available yet for this article.
September 23, 2016: Semergen
Romain Bricca, Christian Chidiac, Tristan Ferry
No abstract text is available yet for this article.
2016: BMJ Case Reports
Divyamol Thomas, N Jeyathilakan, S Abdul Basith, T M A Senthilkumar
Toxocara canis is a widespread gastrointestinal nematode parasite of dogs and cause Toxocara larva migrans, an important zoonotic disease in humans on ingestion of infective eggs. Toxocarosis is one of the few human parasitic diseases whose serodiagnosis uses a standardized antigen, T. canis excretory secretory antigen (TES). The present study describes collection of T. canis adult worm, collection and embryonation of T. canis eggs, hatching and separation of T. canis larvae, in vitro maintenance of T. canis second stage larvae for production of TES, concentration of culture fluid TES and yield of TES in correlation with various methods cited in literature...
September 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
Ayako Yoshida, Taisei Kikuchi, Shiori Nakagaki, Haruhiko Maruyama
Ascarid nematodes, Ascaris suum, Toxocara canis and Toxocara cati, are the most important causative species of larva migrans syndrome (LMS) in humans. Although the diagnosis of ascarid LMS is generally based on serological tests, specific serological tests for A. suum infection have not been fully developed. In the present study, the sensitivity and specificity of three A. suum antigen preparations, i.e., the somatic adult worm antigen (As-SWAP), larval excretory-secretory (ES) antigens derived from infective L3 (AsiL3-ES) and larval ES from tissue migratory L3 (AsmL3-ES), were evaluated for the serodiagnosis of A...
September 8, 2016: Parasitology Research
Felix Lötsch, Markus Obermüller, Johannes Mischlinger, Ghyslain Mombo-Ngoma, Mirjam Groger, Akim Ayola Adegnika, Selidji Todagbe Agnandji, Renate Schneider, Herbert Auer, Michael Ramharter
Toxocara spp. are zoonotic parasites with global distribution infecting humans by incidental ingestions of eggs shed in feces of dogs or cats. High seroprevalences have been reported from several regions of Africa, however data from the Central African region remain limited. Although several clinical entities caused by larvae of Toxocara spp. have been described, the public heath impact of this infection has so far often been neglected. This study was conducted to estimate the prevalence in a rural central African population...
December 2016: Parasitology International
Jacob L Ogdee, Scott E Henke, David B Wester, Alan M Fedynich
Baylisascaris procyonis is a nematode whose definitive host is the raccoon (Procyon lotor). Adult parasites are not particularly pathogenic to raccoons; however, larvae in intermediate hosts can cause visceral, ocular, and neural larva migrans. Humans serve as dead-end hosts and pathological responses are similar as those found in infected intermediate hosts. Infected raccoons expose intermediate hosts through their feces, which can contain millions of B. procyonis eggs. Our objective was to determine how the quantity and viability of B...
August 19, 2016: Journal of Parasitology
Jacob L Ogdee, Scott E Henke, David B Wester, Alan M Fedynich
Baylisascaris procyonis is an intestinal nematode of raccoons ( Procyon lotor ). Within intermediate hosts, larvae can cause visceral, ocular, and neural migrans. Humans, especially children, have become infected after ingestion of larvated eggs at raccoon latrines. Eggs of B. procyonis have a thermal death point of 62 C. During 2012, we assessed the likelihood of thermal lethality on B. procyonis eggs in southern Texas. We recorded temperature every 30 min with data loggers placed on the ground in full sun and in the shade, buried 5 cm underground and the ground surface exposed to full sun or in shade, in attics with and without exhaust fans, in woodpiles, in sheds, in tree crevices, and in cars parked in the sun...
October 2016: Journal of Wildlife Diseases
Mohammad Zibaei
Toxocariasis is the clinical term used to describe human infection with either the dog ascarid Toxocara canis or the feline ascarid Toxocara cati. As with other helminths zoonoses, the infective larvae of these Toxocara species cannot mature into adults in the human host. Instead, the worms wander through organs and tissues, mainly the liver, lungs, myocardium, kidney and central nervous system, in a vain attempt to find that, which they need to mature into adults. The migration of these immature nematode larvae causes local and systemic inflammation, resulting in the "larva migrans" syndrome...
August 3, 2016: Current Cardiology Reviews
Vicente Belizario, John Paul Caesar Delos Trinos, Nikko Benjamin Garcia, Maureen Reyes
Cutaneous manifestations of parasitic infections often result in discomfort, debilitation, and even stigmatization. Data on cutaneous manifestations of parasitic infections, however, are limited. This article provides updates on the cutaneous manifestations of parasitic infections which are known to occur in Western Pacific and Southeast Asian regions, such as scabies, pediculosis, cutaneous larva migrans, larva currens, cutaneous schistosomiasis, cutaneous enterobiasis, cutaneous cysticercosis, acute dermatolymphangioadenitis (lymphatic filariasis), and cutaneous amoebiasis...
September 2016: Current Infectious Disease Reports
Matthew P Vasievich, Jose Dario Martinez Villarreal, Kenneth J Tomecki
The popularity of international travel continues to increase among Americans, even though they often experience subsequent illness on return from their journey. The pathogens responsible are not necessarily endemic to the destination itself but are often the result of poor sanitary conditions or activities engaged in while away. Skin disease ranks third among all medical concerns in returning travelers. This review addresses the pathogenesis, epidemiology, clinical presentation, and treatment of the most common skin diseases in returning travelers: insect bites and bedbugs, cutaneous larva migrans, scabies, tungiasis, myiasis, leishmaniasis, viral exanthems, and marine envenomation...
June 25, 2016: American Journal of Clinical Dermatology
Annette Roug, Chad S Clancy, Cassie Detterich, Arnaud J Van Wettere
A free-ranging North American porcupine ( Erethizon dorsatum ) from Utah, US, exhibited neurologic symptoms and was submitted for necropsy. Histologic examination of the brain revealed severe encephalitis with an intralesional nematode larva consistent with Baylisascaris spp. Neurologic larva migrans had not been reported in free-ranging porcupines, or from wildlife in Utah.
July 2016: Journal of Wildlife Diseases
A Yoshida, A Hombu, Z Wang, H Maruyama
Larva migrans syndrome (LMS) caused by Toxocara and Ascaris roundworms is generally believed to be more common in children, while a report from Japan suggests that it is more common in adults. We conducted a large-scale retrospective study to confirm these findings and to clarify what caused the difference between Japan and other countries, to reveal overlooked aspects of this disease. The clinical information of 911 cases which we diagnosed as Toxocara or Ascaris LMS during 2001 and 2015 was analysed. Information used included age, sex, address (city or county), chief complaint, present history, dietary history, overseas travelling history, medical imaging findings and laboratory data (white blood cell count, peripheral blood eosinophil number and total IgE)...
September 2016: European Journal of Clinical Microbiology & Infectious Diseases
Holly Sievwright, Hiroyoshi Higuchi
The basic structure of a bird feather may be adapted to suit a variety of functions on different parts of the body and in different species. In Oriental honey buzzards (Pernis ptilorhynchus), a species which often preys on the larvae of bees and wasps, it is thought that the bird's integument may provide protection against the stings of these insects. We investigated the structure of Oriental honey buzzard feathers from the face, head, and neck using light and scanning electron microscopy. The structure and appearance of the feathers were compared with those of two other hawk species which live in similar habitats but have different diets: the grey-faced buzzard (Butastur indicus) and the black kite (Milvus migrans)...
June 2016: Zoological Science
Anca Chiriac, Anca E Chiriac, Tudor Pinteala, Cristian Podoleanu, Marius Florin Coros, Cosmin Moldovan, Simona Stolnicu
No abstract text is available yet for this article.
September 2016: Archives of Disease in Childhood
Cristiane Comparin, Milena Marchini Rodrigues, Bruna Costa Santos
No abstract text is available yet for this article.
June 1, 2016: American Journal of Tropical Medicine and Hygiene
Imane Benbella, Hanane Khalki, Khalid Lahmadi, Sara Kouara, Abderrahim Abbadi, Mohammed Er-Rami
Cutaneous larva migrans syndrome is a subcutaneous dermatitis caused by hookworms' larvae, originating from animals in parasitic impasse in humans. Transcutaneous infestation is favored by contact with contaminated soil. We report the case of a 15-month-old child, native of Guinea - Bissau, suffering from cutaneous larva migrans syndrome on a malformed foot. This malformation in the form of a syndactyly, associated with a tumefaction of the foot cause a delay in the standing position. Besides, the fact that the child never wears shoes because of the sick foot is another factor contributing to the patient's infestation by the larvae of the nematode...
2016: Pan African Medical Journal
Emel Çalışkan, Esma Uslu, Hakan Turan, Elife Başkan, Nida Kılıç
Cutaneous larva migrans (CLM) is a parasitosis frequently seen in persons who have travelled to tropical or subtropical regions and in those who have worked in contact with soil. The disease frequently develops due to Ancylostoma braziliensis and Ancylostoma caninum species. After penetrating the skin and entering the body, the hookworm larva proceeds to bore tunnels through the epidermis, creating pruritic, erythematous, serpiginous lesions. Secondary bacterial infections of the lesions can often be seen, especially on the legs and buttocks...
January 2016: Mikrobiyoloji Bülteni
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