Case report: First confirmed case of canine peritoneal larval cestodiasis caused by Mesocestoides vogae (syn. M. corti) in Japan

Canine peritoneal larval cestodiasis (CPLC) is an unusual parasitic disease in dogs that is caused by asexual proliferation of larval Mesocestoides. A 12 year-old spayed Shetland sheepdog with abdominal distension was referred to the Animal Medical Center at Nihon University, Japan. The presence of...

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Bibliographic Details
Published in:Veterinary parasitology 2014-03, Vol.201 (1-2), p.154-157
Main Authors: Kashiide, Takuya, Matsumoto, Jun, Yamaya, Yoshiki, Uwasawa, Aya, Miyoshi, Ai, Yamada, Kazuo, Watari, Toshihiro, Nogami, Sadao
Format: Article
Language:English
Subjects:
Animals
Cestode Infections - diagnosis
Cestode Infections - drug therapy
Cestode Infections - parasitology
Cestode Infections - veterinary
Dog Diseases - diagnosis
Dog Diseases - drug therapy
Dog Diseases - parasitology
Dogs
Electron Transport Complex IV - genetics
Female
Japan
Larva
Mesocestoides - genetics
Mesocestoides - physiology
Peritoneum - parasitology
Praziquantel - therapeutic use
RNA, Ribosomal - genetics
Sequence Homology, Nucleic Acid
Treatment Outcome
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Summary:Canine peritoneal larval cestodiasis (CPLC) is an unusual parasitic disease in dogs that is caused by asexual proliferation of larval Mesocestoides. A 12 year-old spayed Shetland sheepdog with abdominal distension was referred to the Animal Medical Center at Nihon University, Japan. The presence of ascites was confirmed by abdominal ultrasonography and X-ray imaging. In addition, a number of parasites were observed in the ascitic fluid collected by abdominal paracentesis. Each of the whitish colored parasites was less than 1mm in size. The parasites were morphologically identified as Mesocestoides sp. tetrathyridia. The parasites had four suckers and calcareous corpuscles, but no hooks or rostellum. Mitochondrial (mt) 12S rDNA and mt cytochrome c oxidase subunit 1 DNA amplified from the tetrathyridia were used for molecular identification to species level. DNA sequence analysis showed that the tetrathyridia shared more than 99% identity with M. vogae (syn. M. corti) for each gene. The patient was treated with a standard dose (5mg/kg) of praziquantel, which was administered subcutaneously twice at an interval of 14 days. This resulted in successful deworming. This is the first case that CPLC was diagnosed in a dog that had never been taken outside of Japan, indicating that M. vogae is distributed in this country.
ISSN:0304-4017
1873-2550
DOI:10.1016/j.vetpar.2014.01.021