Langerhans cell collections, but not eosinophils, are clues to a diagnosis of allergic contact dermatitis in appropriate skin biopsies

Gabriela Rosa, Anthony P. Fernandez, Alok Vij, Apra Sood, Thomas Plesec, Wilma F. Bergfeld, Steven D. Billings

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Background Langerhans cell collections (LCCs) and eosinophils are traditionally considered histologic clues to allergic contact dermatitis (ACD), but rigorous histologic analyses are limited. We correlated the presence of LCCs and eosinophils in skin biopsies with patch test results in patients evaluated for ACD. Methods Charts of all patients patch tested and biopsied at one institution from 2011 to 2013 were reviewed. Biopsies had to have a diagnosis of either spongiotic dermatitis, psoriasiform dermatitis or mixed psoriasiform/spongiotic dermatitis. Various histologic parameters were assessed, including the presence of LCCs and number of eosinophils. Design A total of 68 biopsies met study criteria. Of these, 27 (40%) had ≥1 LCC. Twenty-one out of 27 (78%) with ≥1 LCC were patch test positive; 6 were patch test negative (22%). Of 41 cases with no LCCs, 23 were patch test positive (23/41, 56%) and 18 were patch test negative (18/41, 44%). LCCs were significantly more common in patch test positive patients (p = 0.046). Eosinophil count did not significantly differ in patch test positive and negative cases (p = 0.216). Conclusion LCCs are significantly more common in patch test positive cases. There were no differences with regards to presence of eosinophils between patch test positive and negative groups.

Original languageEnglish (US)
Pages (from-to)498-504
Number of pages7
JournalJournal of Cutaneous Pathology
Volume43
Issue number6
DOIs
StatePublished - Jun 1 2016
Externally publishedYes

Fingerprint

Allergic Contact Dermatitis
Patch Tests
Langerhans Cells
Eosinophils
Biopsy
Skin
Dermatitis
Cell Count

Keywords

  • allergic contact dermatitis
  • eosinophils
  • Langerhans cells
  • patch testing

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Histology
  • Dermatology

Cite this

Langerhans cell collections, but not eosinophils, are clues to a diagnosis of allergic contact dermatitis in appropriate skin biopsies. / Rosa, Gabriela; Fernandez, Anthony P.; Vij, Alok; Sood, Apra; Plesec, Thomas; Bergfeld, Wilma F.; Billings, Steven D.

In: Journal of Cutaneous Pathology, Vol. 43, No. 6, 01.06.2016, p. 498-504.

Research output: Contribution to journalArticle

Rosa, Gabriela ; Fernandez, Anthony P. ; Vij, Alok ; Sood, Apra ; Plesec, Thomas ; Bergfeld, Wilma F. ; Billings, Steven D. / Langerhans cell collections, but not eosinophils, are clues to a diagnosis of allergic contact dermatitis in appropriate skin biopsies. In: Journal of Cutaneous Pathology. 2016 ; Vol. 43, No. 6. pp. 498-504.
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abstract = "Background Langerhans cell collections (LCCs) and eosinophils are traditionally considered histologic clues to allergic contact dermatitis (ACD), but rigorous histologic analyses are limited. We correlated the presence of LCCs and eosinophils in skin biopsies with patch test results in patients evaluated for ACD. Methods Charts of all patients patch tested and biopsied at one institution from 2011 to 2013 were reviewed. Biopsies had to have a diagnosis of either spongiotic dermatitis, psoriasiform dermatitis or mixed psoriasiform/spongiotic dermatitis. Various histologic parameters were assessed, including the presence of LCCs and number of eosinophils. Design A total of 68 biopsies met study criteria. Of these, 27 (40{\%}) had ≥1 LCC. Twenty-one out of 27 (78{\%}) with ≥1 LCC were patch test positive; 6 were patch test negative (22{\%}). Of 41 cases with no LCCs, 23 were patch test positive (23/41, 56{\%}) and 18 were patch test negative (18/41, 44{\%}). LCCs were significantly more common in patch test positive patients (p = 0.046). Eosinophil count did not significantly differ in patch test positive and negative cases (p = 0.216). Conclusion LCCs are significantly more common in patch test positive cases. There were no differences with regards to presence of eosinophils between patch test positive and negative groups.",
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