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Abreu-Velez AM, Jackson BL, Howard MS. Deposition of immunoreactants in a cutaneous allergic drug reaction. N Am J Med Sci. 2009;1(4):180-3doi: 10.4297/najms.2009.4180.
Abreu-Velez, A. M., Jackson, B. L., & Howard, M. S. (2009). Deposition of immunoreactants in a cutaneous allergic drug reaction. North American journal of medical sciences, 1(4), 180-3. https://doi.org/10.4297/najms.2009.4180
Abreu-Velez, Ana Maria, et al. "Deposition of immunoreactants in a cutaneous allergic drug reaction." North American journal of medical sciences vol. 1,4 (2009): 180-3. doi: https://doi.org/10.4297/najms.2009.4180
Abreu-Velez AM, Jackson BL, Howard MS. Deposition of immunoreactants in a cutaneous allergic drug reaction. N Am J Med Sci. 2009 Sep;1(4):180-3. doi: 10.4297/najms.2009.4180. PMID: 22666692; PMCID: PMC3364662.
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N Am J Med Sci. 2009 Sep;1(4):180-3. doi: 10.4297/najms.2009.4180.

Deposition of immunoreactants in a cutaneous allergic drug reaction.

North American journal of medical sciences

Ana Maria Abreu-Velez, Billie L Jackson, Michael S Howard

Affiliations

  1. Georgia Dermatopathology Associates, Atlanta, Georgia, USA.

PMID: 22666692 PMCID: PMC3364662 DOI: 10.4297/najms.2009.4180

Abstract

CONTEXT: The analysis of allergic drug reaction pathology may be difficult, especially if multiple histological reaction patterns are detected on review of hematoxylin and eosin (H&E) stained sections. In this case, we emphasize the value of adding immunohistochemistry (IHC) and multicolor direct immunofluorescence (DIF) as tools to improve the diagnosis of these complex disorders.

PATIENT AND METHODS: Our patient is a twenty-year-old Caucasian female, who presented with a sudden onset of erythematous macules on the skin following administration of amoxicillin. Lesional tissue was examined by H & E and IHC, and perilesional tissue by DIF and IHC.

RESULTS: The H&E findings revealed diffuse dermal edema, and a mild, superficial, perivascular dermatitis with a mixed inflammatory infiltrate, consistent with an allergic drug eruption. The IHC and DIF studies revealed autoreactivity to sweat glands, nerves and dermal blood vessels, as well as dermal deposits of immune reactants such as fibrinogen and complement around the inflamed areas.

CONCLUSIONS: Fibrin-fibrinogen degradation products have been shown in some cases of allergic disorders; thus, we encourage the effect further testing for these immunoreactants in biopsies from patients with possible allergic drug reactions.

Keywords: Drug eruption; immunohistochemistry; multicolor immunofluoresence

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