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Adhesive intestinal obstruction caused by extragastrointestinal anisakiasis.

Takamizawa Y, Kobayashi Y - Am. J. Trop. Med. Hyg. (2015)

View Article: PubMed Central - PubMed

Affiliation: Department of Surgery, Suwa Central Hospital, Nagano, Japan yasu.mizawa@gmail.com.

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Band A was a cyclic structure constricting the upper small intestine (Figure 2)... Immunostaining revealed the worm to be Anisakis simplex... Thus, extragastrointestinal anisakiasis may have caused adhesive intestinal obstruction... Subsequently, the patient recovered completely... Anisakiasis occurs after eating raw fish or cephalopods contaminated by larvae of the Anisakidae family... Most Anisakis spp. parasitize the gastrointestinal tract, usually the stomach... Rarely, anisakiasis occurs ectopically outside the gastrointestinal tract while being asymptomatic and granulomatous... Extragastrointestinal anisakiasis should be considered as a possible cause of adhesive intestinal obstruction.

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A band (arrows) protruded from the jejunum, was 10 cm distal to the ligament of Treitz, and adhered to the mesentery.
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Figure 3: A band (arrows) protruded from the jejunum, was 10 cm distal to the ligament of Treitz, and adhered to the mesentery.

Mentions: A 44-year-old Japanese woman with no history of laparotomy presented with intermittent abdominal pain that had begun 10 hours earlier. Epigastric tenderness with no muscle guarding was observed. Abdominal contrast-enhanced computed tomography showed a dilated upper small intestine and a band near the stenosis (Figure 1). Internal hernia was diagnosed, and conservative treatment with analgesics was administered. However, abdominal pain persisted. Emergency laparoscopy performed 20 hours after onset revealed two bands. Band A was a cyclic structure constricting the upper small intestine (Figure 2). Band B protruded from the jejunum, was 10 cm distal to the ligament of Treitz, and adhered to the mesentery (Figure 3). Both bands, which were comprised of fibrous tissue, were surgically excised. Band B contained an abscess surrounded by granulation tissue and a degenerated worm inside (Figure 4). Immunostaining revealed the worm to be Anisakis simplex. Thus, extragastrointestinal anisakiasis may have caused adhesive intestinal obstruction. Subsequently, the patient recovered completely.


Adhesive intestinal obstruction caused by extragastrointestinal anisakiasis.

Takamizawa Y, Kobayashi Y - Am. J. Trop. Med. Hyg. (2015)

A band (arrows) protruded from the jejunum, was 10 cm distal to the ligament of Treitz, and adhered to the mesentery.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4385755&req=5

Figure 3: A band (arrows) protruded from the jejunum, was 10 cm distal to the ligament of Treitz, and adhered to the mesentery.
Mentions: A 44-year-old Japanese woman with no history of laparotomy presented with intermittent abdominal pain that had begun 10 hours earlier. Epigastric tenderness with no muscle guarding was observed. Abdominal contrast-enhanced computed tomography showed a dilated upper small intestine and a band near the stenosis (Figure 1). Internal hernia was diagnosed, and conservative treatment with analgesics was administered. However, abdominal pain persisted. Emergency laparoscopy performed 20 hours after onset revealed two bands. Band A was a cyclic structure constricting the upper small intestine (Figure 2). Band B protruded from the jejunum, was 10 cm distal to the ligament of Treitz, and adhered to the mesentery (Figure 3). Both bands, which were comprised of fibrous tissue, were surgically excised. Band B contained an abscess surrounded by granulation tissue and a degenerated worm inside (Figure 4). Immunostaining revealed the worm to be Anisakis simplex. Thus, extragastrointestinal anisakiasis may have caused adhesive intestinal obstruction. Subsequently, the patient recovered completely.

View Article: PubMed Central - PubMed

Affiliation: Department of Surgery, Suwa Central Hospital, Nagano, Japan yasu.mizawa@gmail.com.

AUTOMATICALLY GENERATED EXCERPT
Please rate it.

Band A was a cyclic structure constricting the upper small intestine (Figure 2)... Immunostaining revealed the worm to be Anisakis simplex... Thus, extragastrointestinal anisakiasis may have caused adhesive intestinal obstruction... Subsequently, the patient recovered completely... Anisakiasis occurs after eating raw fish or cephalopods contaminated by larvae of the Anisakidae family... Most Anisakis spp. parasitize the gastrointestinal tract, usually the stomach... Rarely, anisakiasis occurs ectopically outside the gastrointestinal tract while being asymptomatic and granulomatous... Extragastrointestinal anisakiasis should be considered as a possible cause of adhesive intestinal obstruction.

Show MeSH
Related in: MedlinePlus