Document Detail

Case of acute ileus caused by a spirurina larva.
MedLine Citation:
PMID:  15363043     Owner:  NLM     Status:  MEDLINE    
A growing body of clinical cases suggests that a kind of nematode larva, type X larva of the suborder Spirurina that inhabits firefly squids (Watasenia scintillans, or 'Hotaru-ika' in Japanese), can cause acute ileus in humans. However, the larva itself has rarely been found in the wall of the obstructed intestine. We describe here a case of acute ileus, in which a type X spirurina larva was found histologically. A 60-year-old Japanese man suffered from acute abdomen, and an emergency laparotomy revealed a marked stenosis of the ileum. Histological study of the surgically resected ileum showed severe eosinophilic enteritis and a nematode larva. The morphological features of this larva were identical to those of the type X spirurina larva. Interestingly, the larva that was found existed within a small blood vessel, suggesting that the larva migrans of type X spirurina can take place via vasculature. The patient in the present case did not recall ingesting raw squids prior to the onset of his disease. Hence, this indicates that even if the ingestion of raw firefly squids is uncertain, spirurina infection should be included in the differential diagnosis of acute ileus or eosinophilic enteritis.
Toshihiko Miyake; Hisami Ikoma; Masakazu Hoshima; Etsuo Yamane; Hideo Hasegawa; Naoki Arizono
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Pathology international     Volume:  54     ISSN:  1320-5463     ISO Abbreviation:  Pathol. Int.     Publication Date:  2004 Sep 
Date Detail:
Created Date:  2004-09-14     Completed Date:  2005-02-03     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9431380     Medline TA:  Pathol Int     Country:  Australia    
Other Details:
Languages:  eng     Pagination:  730-3     Citation Subset:  IM    
Department of Pathology, Shakaihoken Kobe Central Hospital, Kobe, Japan.
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MeSH Terms
Acute Disease
Ileum / parasitology,  pathology,  surgery
Ileus / parasitology,  pathology*,  surgery
Larva Migrans, Visceral / complications,  pathology*,  surgery
Middle Aged
Spirurida Infections / complications,  pathology*,  surgery
Spirurina / isolation & purification*,  pathogenicity,  physiology
Treatment Outcome

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