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The first genetically confirmed case of Dioctophyme renale (Nematoda: Dioctophymatida) in a patient with a subcutaneous nodule
Affiliation:1. Section of Environmental Parasitology, Graduate School of Medicine and Dentistry Science, Tokyo Medical and Dental University, 1-5-45 Yushima, Tokyo 113-8519, Japan;2. Department of Gastroenterology, Osaka City Juso Hospital, 2-12-27 Nonakakita, Yodogawa-ku, Osaka 532-0034, Japan;3. Department of Surgery, Osaka City Juso Hospital, 2-12-27 Nonakakita, Yodogawa-ku, Osaka 532-0034, Japan;4. PCL Osaka, Pathology & Cytology Center, 2-4-54 Yokoe, Ibaraki 567-0865, Japan;1. Departamento de Zoología, Instituto de Biología, Universidad Nacional Autónoma de México, Ap. Postal 70-153, C.P. 04510, México D.F., México;2. Posgrado en Ciencias Biológicas, Instituto de Biología, Universidad Nacional Autónoma de México, Ap. Postal 70-153, C.P. 04510, México D.F., México;3. Instituto de Ciencias del Mar y Limnología, Unidad Académica Mazatlán, Universidad Nacional Autónoma de México, Joel Montes Camarena s/n, Mazatlán 82040, Sinaloa, México;1. Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, Athens, GA, United States;2. Murrayville Veterinary Clinic, Murrayville, GA, United States;1. Institute of Parasitology, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 266a, 8057 Zurich, Switzerland;2. Kleintierpraxis Dr. med vet Zita Spänhauer, Regensbergstrasse 24, 8157 Dielsdorf, Switzerland;3. Ennetseeklinik für Kleintiere AG, Rothusstrasse 2A/B, 6331 Hünenberg, Switzerland;1. Unité de Biologie et Génétique du Paludisme, Institut Pasteur, 75724 Paris Cedex 15, Paris, France;2. University of Kentucky College of Medicine, Department of Microbiology, Immunology and Molecular Genetics, 800 Rose Street, Lexington, KY 40536, USA
Abstract:We describe a nematode larva in a subcutaneous nodule excised from a 44-year-old Chinese male who had been living in Japan for 15 years. Morphological features suggested that the worm was a dioctophimatid nematode. PCR amplification and sequencing of small subunit ribosomal DNA and mitochondrial cytochrome subunit c oxidase genes allowed us to identify the larva as the giant kidney worm, Dioctophyme renale (Goeze, 1972). This is the first molecularly confirmed human case of a dermal D. renale infection.
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