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Schwannoma assumedly originating from the submandibular ganglion or glandular branches radiologically mimicking a submandibular gland tumor

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Abstract

Schwannoma is a benign nerve sheath tumor composed of Schwann cells. Schwannomas originating from ganglia are rare, and schwannomas of the submandibular ganglion or glandular branches have not been reported to date. We present a case of a Japanese woman in her sixties with a submandibular schwannoma originating from the submandibular ganglion, mimicking a submandibular gland tumor on radiological findings. As the radiological findings were nonspecific, the key finding in the present case may be the characteristic location of the tumor suspended from the undersurface of the lingual nerve and situated above the deep portion of the submandibular gland.

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Acknowledgements

The authors thank Ms. Yukiko Ishii for her illustration in Fig. 3.

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Authors and Affiliations

  1. Department of Radiology, Tokyo Dental College Ichikawa General Hospital, 5-11-13, Sugano, Ichikawa, Chiba, 272-8513, Japan

    Akira Baba, Yasuaki Hasegawa, Yuki Seto, Shinji Yamazoe, Yuko Kobashi & Takuji Mogami

  2. Department of Oral and Maxillofacial Surgery, Tokyo Dental College Ichikawa General Hospital, 5-11-13, Sugano, Ichikawa, Chiba, 272-8513, Japan

    Katsuhiko Sakai & Takeshi Nomura

  3. Department of Internal Medicine, Tokyo Dental College Ichikawa General Hospital, 5-11-13, Sugano, Ichikawa, Chiba, 272-8513, Japan

    Yumi Okuyama

  4. Department of Radiology, The Jikei University School of Medicine, 3-25-8, Nishi-Shimbashi, Minato-ku, Tokyo, 105-8461, Japan

    Hideomi Yamauchi, Nobuhiro Ogino & Hiroya Ojiri

  5. Department of Pathology and Laboratory Medicine, Tokyo Dental College Ichikawa General Hospital, 5-11-13, Sugano, Ichikawa, Chiba, 272-8513, Japan

    Kazuhiko Hashimoto

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  1. Akira Baba
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  2. Katsuhiko Sakai
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  13. Hiroya Ojiri
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Corresponding author

Correspondence to Akira Baba.

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Conflict of interest

Akira Baba, Katsuhiko Sakai, Yumi Okuyama, Hideomi Yamauchi, Nobuhiro Ogino, Kazuhiko Hashimoto, Yasuaki Hasegawa, Yuki Seto, Shinji Yamazoe, Yuko Kobashi, Takuji Mogami, Takeshi Nomura, and Hiroya Ojiri declare that they have no conflict of interest.

Human rights statement

All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1964 and later versions.

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Informed consent was obtained from the patient for being included in the study.

Animal rights statement

This article does not contain any studies with animal subjects performed by any of the authors.

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Baba, A., Sakai, K., Okuyama, Y. et al. Schwannoma assumedly originating from the submandibular ganglion or glandular branches radiologically mimicking a submandibular gland tumor. Oral Radiol 35, 189–193 (2019). https://doi.org/10.1007/s11282-018-0332-1

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  • DOI: https://doi.org/10.1007/s11282-018-0332-1

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