Background: Because Myroxylon pereirae (MP), or balsam of Peru, is nowadays almost not used “as such,” and fragrance mix 1 (FM1) apparently is more sensitive in detecting fragrance allergy, the usefulness of testing MP in baseline series was recently questioned. Objectives: Identification of the number of clinically relevant patch test reactions to MP not detected by FM1. Methods: Retrospective analysis of 12 030 patients patch tested with MP and FM1 for contact dermatitis between January 2018 and December 2019 in 13 Italian dermatology clinics. Results: Four hundred thirty-nine patients (3.6%) had a positive patch test reaction to MP; 437 (3.6%) had a positive patch test reaction to FM1. Positive reactions to both MP and FM1 were observed in 119 subjects (1.0%), 310 (2.6%) reacted to MP only, 304 (2.5%) to FM1 only, 5 to MP and sorbitan sesquioleate (SSO), 9 to FM1 and SSO, and 5 to MP, FM1, and SSO. Single sensitizations were clinically relevant in 75.2% of cases for MP (62.9% current, 12.3% past) and 76.3% for FM1 (70.1% current, 6.2% past). Conclusions: Based on our results, MP appears to be still worth testing along with FM1 in baseline series, because it allows detection of a remarkable number of fragrance allergies, often relevant, which would be otherwise missed.
Myroxylon pereirae (balsam of Peru): Still worth testing? / F. Guarneri, M. Corazza, L. Stingeni, C. Patruno, M. Napolitano, P.D.M. Pigatto, R. Gallo, A. Cristaudo, P. Romita, A. Offidani, D. Schena, N. Milanesi, G. Micali, M. Zucca, C. Foti, A. Borghi, K. Hansel, G. Damiani, I. Trave, E. Martina, G. Dal Bello, M. Gola, M.L. Musumeci, V. Piras. - In: CONTACT DERMATITIS. - ISSN 0105-1873. - 85:3(2021), pp. 269-273. [10.1111/cod.13839]
Myroxylon pereirae (balsam of Peru): Still worth testing?
P.D.M. PigattoConceptualization
;G. DamianiConceptualization
;
2021
Abstract
Background: Because Myroxylon pereirae (MP), or balsam of Peru, is nowadays almost not used “as such,” and fragrance mix 1 (FM1) apparently is more sensitive in detecting fragrance allergy, the usefulness of testing MP in baseline series was recently questioned. Objectives: Identification of the number of clinically relevant patch test reactions to MP not detected by FM1. Methods: Retrospective analysis of 12 030 patients patch tested with MP and FM1 for contact dermatitis between January 2018 and December 2019 in 13 Italian dermatology clinics. Results: Four hundred thirty-nine patients (3.6%) had a positive patch test reaction to MP; 437 (3.6%) had a positive patch test reaction to FM1. Positive reactions to both MP and FM1 were observed in 119 subjects (1.0%), 310 (2.6%) reacted to MP only, 304 (2.5%) to FM1 only, 5 to MP and sorbitan sesquioleate (SSO), 9 to FM1 and SSO, and 5 to MP, FM1, and SSO. Single sensitizations were clinically relevant in 75.2% of cases for MP (62.9% current, 12.3% past) and 76.3% for FM1 (70.1% current, 6.2% past). Conclusions: Based on our results, MP appears to be still worth testing along with FM1 in baseline series, because it allows detection of a remarkable number of fragrance allergies, often relevant, which would be otherwise missed.File | Dimensione | Formato | |
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