Answers are grounded in this paper and cite their sources.
A case of pyoderma gangrenosum is described in a girl aged 4. The condition was associated with selective IgA deficiency. The father and the 2 brothers suffered from the same deficiency (autosomal dominant transmission). Treatment with prednisolone and clofazimine produced an excellent clinical response.
No takes yet. Share an insight, caveat, or question.
Bundino et al. (2009) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: