Telogen effluvium after allergic contact dermatitis of the scalp

Antonella Tosti, Bianca Maria Piraccini, Dominique J J Van Neste

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

Objective: After observing 2 cases of acute telogen effluvium induced by allergic contact dermatitis to hair dyes, we decided to evaluate the effects of acute contact dermatitis of the scalp on the hair cycle. Design: Single-center, 6-month study of consecutive patients affected by acute scalp dermatitis. Setting: Department of Dermatology, University of Bologna, Bologna, Italy. Patients: Diagnosis of allergic contact dermatitis of the scalp was confirmed by patch testing. Eight women presenting with acute contact dermatitis of the scalp entered the study. Hair shedding was evaluated monthly for 6 months by pull test and wash test. Increased hair loss was detected in 4 of the 7 patients who completed the study. Hair loss was mild to moderate and appeared 2 to 4 months after the episode of scalp dermatitis. A scalp biopsy specimen from 2 patients confirmed the diagnosis of telogen effluvium. Conclusions: Allergic contact dermatitis of the scalp should be included among the possible causes of telogen effluvium. The pathogenesis of telogen effluvium caused by contact dermatitis is unknown but may be related to cytokine release during the inflammatory process.

Original languageEnglish
Pages (from-to)187-190
Number of pages4
JournalArchives of Dermatology
Volume137
Issue number2
StatePublished - Feb 28 2001
Externally publishedYes

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Allergic Contact Dermatitis
Scalp
Contact Dermatitis
Alopecia
Dermatitis
Hair
Hair Dyes
Dermatology
Italy
Cytokines
Biopsy

ASJC Scopus subject areas

  • Dermatology

Cite this

Tosti, A., Piraccini, B. M., & Van Neste, D. J. J. (2001). Telogen effluvium after allergic contact dermatitis of the scalp. Archives of Dermatology, 137(2), 187-190.

Telogen effluvium after allergic contact dermatitis of the scalp. / Tosti, Antonella; Piraccini, Bianca Maria; Van Neste, Dominique J J.

In: Archives of Dermatology, Vol. 137, No. 2, 28.02.2001, p. 187-190.

Research output: Contribution to journalArticle

Tosti, A, Piraccini, BM & Van Neste, DJJ 2001, 'Telogen effluvium after allergic contact dermatitis of the scalp', Archives of Dermatology, vol. 137, no. 2, pp. 187-190.
Tosti, Antonella ; Piraccini, Bianca Maria ; Van Neste, Dominique J J. / Telogen effluvium after allergic contact dermatitis of the scalp. In: Archives of Dermatology. 2001 ; Vol. 137, No. 2. pp. 187-190.
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