NOD2 and Bloom syndrome: NF-κB-related AIDs (recently denominated “relopathies”) encompass protean conditions, including Blau syndrome (BS) which is caused by autosomal dominant mutations in the NOD2 gene and is characterized by recurrent granulomatous uveitis, boggy synovitis with symmetric camptodactyly and a peculiar scaly rash with ichthyosiform or lichenoid features [51].