Document Detail

Suspected intestinal myiasis due to Dryomyza formosa in a Japanese schizophrenic patient with symptoms of delusional parasitosis.
MedLine Citation:
PMID:  11129713     Owner:  NLM     Status:  MEDLINE    
A third-stage larva of Dryomyza formosa (Wiedemann) (Diptera: Dryomyzidae) was found in the fresh stool of a 27-year-old Japanese woman resident of Shiobara, 150 km north of Tokyo, on 16 November 1998. This is the first record of myiasis due to Dryomyza. Detection of this maggot (2cm long) by the patient herself was associated with her longstanding delusion of abdominal parasitosis as a symptom of chronic schizophrenia. Circumstantial evidence agreed with this being a genuine case of intestinal myiasis, apparently due to accidental ingestion of the insect, with no signs that the patient had contrived the report, nor that the maggot had invaded the stool post-defaecation. This case draws attention to the likelihood that some personality states are predisposed to noticing and reporting myiasis, when it occurs. We review other conditions (mental and physical) that are more prone to myiasis.
Y Chigusa; S Shinonaga; Y Koyama; A Terano; M Kirinoki; H Matsuda
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Medical and veterinary entomology     Volume:  14     ISSN:  0269-283X     ISO Abbreviation:  Med. Vet. Entomol.     Publication Date:  2000 Dec 
Date Detail:
Created Date:  2000-12-20     Completed Date:  2001-02-08     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8708682     Medline TA:  Med Vet Entomol     Country:  England    
Other Details:
Languages:  eng     Pagination:  453-7     Citation Subset:  IM    
Department of Tropical Medicine and Parasitology, Dokkyo University School of Medicine, Shimotsuga, Tochigi, Japan.
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MeSH Terms
Delusions / parasitology
Diptera / growth & development*,  pathogenicity
Feces / parasitology
Intestinal Diseases, Parasitic / complications*
Larva / growth & development
Myiasis / complications*,  parasitology
Schizophrenia / complications*

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