Patients with microcephaly-capillary malformation syndrome (MICCAP: OMIM #614261) have biallelic mutations in the STAMBP gene (McDonell et al., 2013; Pavlović et al., 2014; Faqeih et al., 2015; Naseer et al., 2016; Demikova et al., 2018; Hori et al., 2018; Lm, 2019; Wu et al., 2019). The gene discussed is STAMBP; the disease is microcephaly.