Acrofacial dysostosis, Rodríguez type

Acrofacial dysostosis, Rodríguez type (also known as Rodríguez acrofacial dysostosis or Rodríguez syndrome) is an extremely rare and severe congenital malformation syndrome characterized by limb and craniofacial abnormalities. It belongs to the group of acrofacial dysostoses, conditions that affect both the face and the extremities. This disorder is typically lethal in the neonatal period or shortly after birth due to the severity of the malformations. The craniofacial features include severe mandibular hypoplasia (underdeveloped lower jaw), downslanting palpebral fissures, malar hypoplasia (underdeveloped cheekbones), and abnormalities of the ears, which may be low-set or malformed. Cleft lip and/or cleft palate may also be present. The limb abnormalities are particularly severe and involve both the upper and lower extremities, with oligodactyly (fewer than normal fingers or toes), absence or severe shortening of the forearms and legs, and defects of the long bones. Some patients also have cardiac and genitourinary anomalies. Given the extreme rarity and typically lethal nature of this condition, there is no established treatment beyond supportive and palliative care. Only a small number of cases have been reported in the medical literature. The condition is thought to follow an autosomal recessive inheritance pattern based on reported familial cases, including affected siblings born to unaffected parents. Prenatal diagnosis may be possible through detailed ultrasound examination revealing characteristic limb and facial anomalies.

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