Chapter

Parastrongyliasis (angiostrongyliasis)

Richard Knight

in Oxford Textbook of Medicine

Published on behalf of Oxford University Press

Published in print May 2010 | ISBN: 9780199204854
Published online May 2012 | e-ISBN: 9780199570973 | DOI: http://dx.doi.org/10.1093/med/9780199204854.003.070906_update_001

Series: Oxford Textbooks

Parastrongyliasis (angiostrongyliasis)

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The rat lungworm causes outbreaks of eosinophilic meningitis in parts of South-East Asia, East Asia, Oceania, and the Caribbean. Elsewhere the condition is usually seen in travellers. Human infections follow ingestion of uncooked molluscs, the primary intermediate hosts, or one of several paratenic hosts. Clinical manifestations include headache, meningism, vomiting, cranial nerve lesions, and (less commonly) other neurological features such as seizures. Ocular lesions are quite common. Diagnosis is made by lumbar puncture revealing eosinophilic meningitis, with larval or immature adult worms sometimes seen. Treatment is with albendazole together with prednisolone, or with prednisolone alone. Mortality is usually below 2%. Prevention is by avoidance of raw high-risk dietary items and unwashed salads....

Chapter.  2583 words.  Illustrated.

Subjects: Medical Microbiology and Virology ; Infectious Diseases

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