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Granuloma annulare‐like reaction to the bacillus Calmette‐Guerin vaccination
Author(s) -
Nomiyama Tomoko,
Takenaka Hideya,
Kishimoto Saburo,
Katoh Norito
Publication year - 2013
Publication title -
australasian journal of dermatology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.67
H-Index - 53
eISSN - 1440-0960
pISSN - 0004-8380
DOI - 10.1111/j.1440-0960.2011.00814.x
Subject(s) - medicine , granuloma annulare , vaccination , histiocyte , lesion , dermatology , granuloma , epithelioid cell , pathology , immunohistochemistry
We report the case of a 6‐month‐old girl with a granuloma annulare (GA)‐like reaction to the bacillus Calmette‐Guerin (BCG) vaccination. The eruption developed at the vaccination site 1 month after vaccination and the lesion gradually disseminated over the body within 2 months. A biopsy specimen of the skin lesion showed degenerated collagen bundles surrounded by imperfect palisading histiocytes, lymphocytes and epithelioid cells in the dermis, which led to a diagnosis of GA‐like reaction as a secondary reaction to BCG inoculation. The eruption at the vaccination site and the scattered GA reaction resolved after 1 month of treatment with prednisolone valerate acetate ointment, leaving only pigmentation.