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A case of oral stings by spermatophores of Todarodes pacificus

DOI 4 Citations 23 References
  • KAWADA Kensuke
    Department of Oral and Maxillofacial Surgery, Fujisawa City Hospital
  • KAWAHARA Tadakazu
    Department of Oral and Maxillofacial Surgery, Fujisawa City Hospital
  • AKIMORI Toshiyuki
    Department of Oral and Maxillofacial Surgery, Fujisawa City Hospital
  • YAMAGUCHI Tomoko
    Department of Oral and Maxillofacial Surgery, Fujisawa City Hospital
  • OKAMOTO Yoshiyuki
    Department of Oral and Maxillofacial Surgery Graduate School of Medicine Yokohama City University
  • ISHIKAWA Yoshimi
    Department of Oral and Maxillofacial Surgery, Fujisawa City Hospital

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Other Title
  • スルメイカの精莢による口腔内刺傷の１例
  • スルメイカ ノ セイキョウ ニ ヨル コウクウナイ シショウ ノ 1レイ

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Abstract

Oral mucosal lesions associated with foreign body injuries can have various origins, but traumatic lesions of the oral mucosa caused by other organisms are rare. Such cases thus require special knowledge for diagnosis. We report a case of oral stings from spermatophores of Todarodes pacificus, the Pacific squid. The patient was a 31-year-old woman who cooked the internal organs of a raw T. pacificus for lunch. She experienced a sharp pain on the tongue and buccal mucosa when eating the organs. On checking the oral cavity, she identified multiple white objects with a worm-like appearance sticking into the tongue and oral mucosa. Attempts to remove these objects herself were unsuccessful. She then visited the emergency department of our hospital. We examined the oral cavity and found multiple white objects appearing to be parasitic worms sticking into the tongue and oral mucosa. Attempts to remove the objects with forceps were unsuccessful because of tight attachment to the mucosa. Removal was thus achieved by making slight incisions under local anesthesia. The specimens showed a white spinate shape and were about 4mm long. Endoscopic examination of the upper digestive tract after treatment of the oral cavity revealed no additional foreign bodies. The final pathological diagnosis was spermatophores of T. pacificus.

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