Vitelline cyst in the rat ileum

Takafumi OSHIKATA; Azusa KOBAYASHI; Shino KUMABE; Kazufumi KAWASAKO; Koshirou KATOKU; Mikio MITSUISHI; Takeshi KANNO; Masao HAMAMURA

doi:10.1293/tox.2015-0021

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Vitelline cyst in the rat ileum

Takafumi OSHIKATA, Azusa KOBAYASHI, Shino KUMABE, Kazufumi KAWASAKO, Koshirou KATOKU, Mikio MITSUISHI, Takeshi KANNO, Masao HAMAMURA

著者情報

キーワード: vitelline cyst, rat, ileum, vitelline duct, Meckel’s diverticulum

ジャーナルフリー早期公開

論文ID: 2015-0021

DOI https://doi.org/10.1293/tox.2015-0021

この記事には本公開記事があります。

The final version of this article is now available: Vol. 28 (2015), No. 4 pp. 225-228

詳細

抄録

Congenital vitelline duct anomalies other than Meckel’s diverticulum are rare in animals. A cyst of approximately 8 mm in diameter was observed on the antimesenteric surface of the ileal serosa in a 10-week-old female Crl:CD(SD) rat. Microscopically, the cyst closely resembled the ileum, but it did not communicate with the ileal lumen. We diagnosed this case as a vitelline cyst derived from the vitelline duct based on the location where it developed and its histological behavior. In rats, only Meckel’s diverticulum has been reported with a congenital anomaly of the vitelline duct, and no other spontaneous anomalies including a vitelline cyst have been reported. This case may be the first report concerning a vitelline cyst in the rat ileum.

責任著者(Corresponding author)

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