Mondo Description Bartsocas-Papas syndrome is a rare, inherited, popliteal pterygium syndrome characterized by severe popliteal webbing, microcephaly, a typical face with short palpebral fissures, ankyloblepharon, hypoplastic nose, filiform bands between the jaws and facial clefts, oligosyndactyly, genital abnormalities, and additional ectodermal anomalies (i.e. absent hair, eyebrows, lashes, nails). It is often fatal in the neonatal period, but patients living until childhood have been reported.

Uniprot Description An autosomal recessive disorder characterized by multiple popliteal pterygia leading to severe arthrogryposis, ankyloblepharon filiforme adnatum, filiform bands between the jaws, synostosis of the carpal/tarsal and phalangeal bones in the hands and feet, digital hypoplasia/aplasia, complete soft-tissue syndactyly, lack of nails, lack of scalp hair, eyebrows and eyelashes, blepharophimosis, cleft lip and/or palate, and hypoplastic external genitalia. Early lethality is common, although survival into childhood and beyond has been reported.