Cardiac ganglioneuroma in a juvenile pig

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  • INOUE Ryoko
    Nagasaki Prefectural Isahaya Meat Inspection Center, 79–20 Saiwai-machi, Isahaya, Nagasaki 854–0022, Japan
  • JOMA Ikumi
    Nagasaki Prefectural Isahaya Meat Inspection Center, 79–20 Saiwai-machi, Isahaya, Nagasaki 854–0022, Japan
  • OTSUBO Koji
    Nagasaki Prefectural Isahaya Meat Inspection Center, 79–20 Saiwai-machi, Isahaya, Nagasaki 854–0022, Japan
  • MATSUTAKE Hiroshi
    Nagasaki Prefectural Isahaya Meat Inspection Center, 79–20 Saiwai-machi, Isahaya, Nagasaki 854–0022, Japan
  • YANAI Tokuma
    Laboratory of Veterinary Pathology, Faculty of Applied Biological Sciences, Gifu University, 1–1 Yanagido, Gifu 501–1193, Japan
  • SAKAI Hiroki
    Laboratory of Veterinary Pathology, Faculty of Applied Biological Sciences, Gifu University, 1–1 Yanagido, Gifu 501–1193, Japan Comparative Cancer Center, Faculty of Applied Biological Sciences, Gifu University, 1–1 Yanagido, Gifu 501–1193, Japan

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  • Pathology : Cardiac ganglioneuroma in a juvenile pig

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Abstract

A cardiac mass (3 × 5 × 3 cm) was detected at the base between the right auricular wall and right vena cava of a slaughtered 6-month-old female mixed-breed pig during a meat inspection. The tumor comprised infiltrative prominent interweaving fascicles of Schwann cells with Verocay bodies. Moreover, the ganglion cells were scattered or aggregated throughout the neoplastic tissue. The ganglion and Schwann cells had neither cellular atypism nor mitosis. On the basis of the bearing site as well as the morphological and immunohistochemical features, this is the first case of a cardiac ganglioneuroma in a pig.

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