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Linear immunoglobulin A bullous dermatosis induced by gemcitabine
J del Pozo1, W Martínez, M T Yebra-Pimentel
1Department of Dermatology, Hospital Juan Canalejo, La Coruña, Spain. der@canalejo.org
Objective:
To report a case of linear immunoglobulin (Ig) A bullous dermatosis (LABD) induced by gemcitabine.
Case Summary:
A 59-year-old man was diagnosed with squamous-cell carcinoma of the lung in T4N2M0 stage and treated with cisplatin, vinorelbine, and gemcitabine. Twenty-four hours after the administration of gemcitabine, a symmetric, bullous, herpetiform eruption appeared on his trunk and upper limbs. Histopathologic examination and direct immunofluorescence test were consistent with IgA bullous dermatosis. Cutaneous lesions resolved two weeks after the drug was withdrawn and topical steroid treatment was instituted.
Discussion:
Drug-induced LABD is a variant of classic or idiopathic LABD. Vancomycin is the most frequently implicated drug, but other agents have been reported to cause LABD. According to the Naranjo probability scale, the relationship of gemcitabine treatment with cutaneous eruption in our patient is possible.
Conclusions:
We report the first case of gemcitabine-induced LABD. Clinicians should monitor patients receiving this drug for signs of LABD.