A Case of Post-traumatic Parosmia that Resolved after Five Years
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- Kato Yuzuka
- Department of Otorhinolaryngology, Jikei University School of Medicine
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- Mori Eri
- Department of Otorhinolaryngology, Jikei University School of Medicine
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- Tei Masayoshi
- Department of Otorhinolaryngology, Jikei University School of Medicine
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- Tanaka Hirotaka
- Department of Otorhinolaryngology, Jikei University School of Medicine
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- Yanagi Norihiro
- Department of Otorhinolaryngology, Jikei University School of Medicine
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- Tsurumoto Yuka
- Department of Otorhinolaryngology, Jikei University School of Medicine
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- Nagai Monami
- Department of Otorhinolaryngology, Jikei University School of Medicine
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- Sekine Rumi
- Department of Otorhinolaryngology, Jikei University School of Medicine
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- Otori Nobuyoshi
- Department of Otorhinolaryngology, Jikei University School of Medicine
Bibliographic Information
- Other Title
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- 外傷性嗅覚障害による刺激性異嗅症が約5年経過した後に回復した症例
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Abstract
<p>Post-traumatic olfactory dysfunction is known to have a poor prognosis. Traumatic olfactory dysfunction is commonly associated with parosmia, which is an often neglected symptom due to difficulty with its assessment using standard olfactory testing. We report a case of a patient diagnosed with post-traumatic olfactory loss and parosmia. Olfactory loss recovered within one year, but parosmia persisted for five years before disappearing.</p><p>The patient was a 41-year-old woman who fell from a 2-meter-high wall and injured her right occipital area. A few days later, she noticed a decreased sense of smell and visited our department. An intravenous olfactory test and T&T olfactometry showed olfactory loss. She was treated with olfactory stimulation and followed up with T&T olfactometry, Open Essence, a Visual Analogue Scale (VAS), and the Self-Administered Odor Questionnaire (SAOQ). Approximately one year after the injury, her sense of smell was rated as cured by T&T olfactometry, but showed no improvement on VAS or SAOQ, and parosmia remained. The patient continued olfactory stimulation at home, and approximately 5 years after the injury parosmia disappeared, with VAS and SAOQ also showing significant improvement.</p><p>Qualitative olfactory dysfunction such as parosmia is difficult to assess with standard olfactory tests, but patients with parosmia suffer from a significant loss of quality of life. Olfactory identification tests and subjective symptom-based evaluations such as VAS and SAOQ may better reflect the subjective symptoms of parosmia, in addition to standard olfactory tests. Post-traumatic parosmia should also be approached with the understanding that this condition may undergo long-term changes.</p>
Journal
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- Nihon Bika Gakkai Kaishi (Japanese Journal of Rhinology)
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Nihon Bika Gakkai Kaishi (Japanese Journal of Rhinology) 62 (2), 338-343, 2023
Japan Rhinologic Society
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Keywords
Details 詳細情報について
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- CRID
- 1390859868585131904
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- ISSN
- 18837077
- 09109153
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- Text Lang
- ja
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- Data Source
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- JaLC
- Crossref
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- Abstract License Flag
- Disallowed