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Suzuki K, Matsunaga K, Ito A, Yagami A, Ito T, Miyazawa H, Sugiura M, Adachi A, Kubota Y, Watanabe Y, Kato A, Nishioka K, Fukunaga A, Mochizuki M, Ikezawa Y, Tsunoda T, Takayama K, Washizaki K, Yokozeki H, Ishihara T, Asada H, Kanto H. Multicenter 1-month follow-up study of the patch-test reaction to the gold sodium thiosulfate of the TRUE Test and its association with piercings and dental metal history. Contact Dermatitis 2021; 85:154-163. [PMID: 33660302 DOI: 10.1111/cod.13827] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 02/24/2021] [Accepted: 02/28/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND There is controversy over late and long-lasting reactions to gold sodium thiosulfate (GST). OBJECTIVES To study the GST patch-test reaction by observing the application site after 1 month, and to clarify the relevance of GST sensitization by piercings and dental metals. PATIENTS A retrospective analysis was performed on 746 patients (143 male; 603 female) who were patch tested using GST of the TRUE Test. We conducted a questionnaire on the presence of piercings or dental metals in these patients. RESULTS The GST positive rate was 27.9% at day (D)3 and/or D7 and 40.3% up to the 1-month reading. The positive rate was significantly higher in female patients and increased with age. Sixty-two percent of cases with a positive reaction at D7 continued to show a positive reaction after 1 month. Eleven percent of cases with a negative reaction at D3 and D7 showed a late reaction. Both piercings and dental metals were related to gold sensitization. CONCLUSIONS The GST of the TRUE Test had a high positive and low false-negative rate. The 1-month reading after the patch test was important for identifying late reactions. Piercing history and dental metal were associated with gold sensitization.
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Affiliation(s)
- Kayoko Suzuki
- Department of Allergology, Fujita Health University School of Medicine, Nagoya, Japan
- Japanese Contact Dermatitis Research Group, Nagoya, Japan
| | - Kayoko Matsunaga
- Department of Allergology, Fujita Health University School of Medicine, Nagoya, Japan
- Japanese Contact Dermatitis Research Group, Nagoya, Japan
- Department of Integrative Medical Science for Allergic Disease, Fujita Health University School of Medicine, Nagoya, Japan
| | - Akiko Ito
- Japanese Contact Dermatitis Research Group, Nagoya, Japan
- Department of Integrative Medical Science for Allergic Disease, Fujita Health University School of Medicine, Nagoya, Japan
- Department of Dermatology, Nagata Clinic, Niigata, Japan
| | - Akiko Yagami
- Department of Allergology, Fujita Health University School of Medicine, Nagoya, Japan
- Japanese Contact Dermatitis Research Group, Nagoya, Japan
| | - Takashi Ito
- Japanese Contact Dermatitis Research Group, Nagoya, Japan
- Department of Dermatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Hitoshi Miyazawa
- Japanese Contact Dermatitis Research Group, Nagoya, Japan
- Nishi-Sapporo Skin and Allergy Clinic, Sapporo, Japan
| | - Mariko Sugiura
- Japanese Contact Dermatitis Research Group, Nagoya, Japan
- Environmental Dermatology & Allergology, Daiichi Clinic, Nagoya, Japan
| | - Atsuko Adachi
- Japanese Contact Dermatitis Research Group, Nagoya, Japan
- Department of Dermatology, Hyogo Prefectural Kakogawa Medical Center, Kakogawa, Japan
| | - Yumiko Kubota
- Japanese Contact Dermatitis Research Group, Nagoya, Japan
- Department of Dermatology, Fukuoka Sanno Hospital, Fukuoka, Japan
| | - Yuko Watanabe
- Japanese Contact Dermatitis Research Group, Nagoya, Japan
- Watanabe Skin and Plastic Surgery Clinic, Matsuyama, Japan
| | - Atsuko Kato
- Japanese Contact Dermatitis Research Group, Nagoya, Japan
- Department of Dermatology, Gokeikai Osaka Kaisei Hospital, Osaka, Japan
| | - Kazue Nishioka
- Japanese Contact Dermatitis Research Group, Nagoya, Japan
- Joy Dermatological Clinic, Sanyo-Onoda, Japan
| | - Atsushi Fukunaga
- Japanese Contact Dermatitis Research Group, Nagoya, Japan
- Division of Dermatology, Department of Internal Related, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Masako Mochizuki
- Japanese Contact Dermatitis Research Group, Nagoya, Japan
- Mochizuki Dermatological Clinic, Nagano, Japan
| | - Yuko Ikezawa
- Japanese Contact Dermatitis Research Group, Nagoya, Japan
- Department of Dermatology, Chigasaki Municipal Hospital, Chigasaki, Japan
| | - Takahiko Tsunoda
- Japanese Contact Dermatitis Research Group, Nagoya, Japan
- Department of Dermatology, Yamagata City Hospital SAISEIKAN, Yamagata, Japan
| | - Kaoru Takayama
- Japanese Contact Dermatitis Research Group, Nagoya, Japan
- Department of Dermatology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Kumiko Washizaki
- Japanese Contact Dermatitis Research Group, Nagoya, Japan
- Omorimachi Dermatology, Tokyo, Japan
| | - Hiroo Yokozeki
- Japanese Contact Dermatitis Research Group, Nagoya, Japan
- Department of Dermatology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Takuma Ishihara
- Innovative and Clinical Research Promotion Center, Gifu University Hospital, Gifu, Japan
| | - Hideo Asada
- Japanese Contact Dermatitis Research Group, Nagoya, Japan
- Department of Dermatology, Nara Medical University Hospital, Kashihara, Japan
| | - Hiromi Kanto
- Japanese Contact Dermatitis Research Group, Nagoya, Japan
- Department of Dermatology, Toho University Omori Medical Center, Tokyo, Japan
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