Monarch Disease Ontology id MONDO_0017331 (Pilotto syndrome) is a rare genetic multiple developmental anomalies syndrome, that is characterized by craniofacial anomalies (microcephaly, brachycephaly, craniosynostosis, facial asymmetry, cleft lip, cleft palate, dysmorphic facial features, ear lobe malformations, low hair line), congenital heart defects, hypogenitalism and/or hypogonadism, intellectual disability, scoliosis or kyphoscoliosis, short hypoplastic ribs, failure to thrive, growth delay, short stature and/or micromelia. There have been no further descriptions in the literature since 1975.