Fig. 1From: Dynamic monitoring of UBA1 somatic mutations in patients with relapsing polychondritisClinical features of patient RP09 harboring a somatic variant in UBA1. a Auricular swelling. b Bone marrow aspirate showing vacuolization in myeloid and erythroid precursor cells (May–Giemsa staining, magnification, 40×). c Sanger sequencing map of somatic variation in UBA1 in genomic DNA from peripheral bloodBack to article page