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Case Reports
. 2016 Mar 31;2016:bcr2015213875.
doi: 10.1136/bcr-2015-213875.

Bacillus Calmette-Guérin Reactivation as a Sign of Incomplete Kawasaki Disease

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Free PMC article
Case Reports

Bacillus Calmette-Guérin Reactivation as a Sign of Incomplete Kawasaki Disease

Cristina Novais et al. BMJ Case Rep. .
Free PMC article

Abstract

Kawasaki disease (KD) is an acute, self-limited, systemic vasculitis of unknown aetiology, extremely rare in infants younger than 6 months old. Younger infants are more likely to present with incomplete KD (IKD) and are at higher risk of developing coronary abnormalities. An early and specific clinical sign, not included in the classical diagnosis criteria, but that can be very useful in the diagnosis of KD, is the reaction at the Bacillus Calmette-Guérin (BCG) inoculation site. We describe a case of a 4-month-old boy, fully immunised, whose BCG scar reactivation led to the diagnosis of IKD. This case-report emphasises the importance of BCG site reactivation in establishing a diagnosis of IKD that clinicians should be aware of, especially in countries where BCG vaccination is still part of the immunisation schedule.

Figures

Figure 1
Figure 1
Erythaema and induration surrounding Bacille Calmette-Guérin vaccination scar (left deltoid).

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