Campomelia, Cumming type

Campomelia, Cumming type (also known as Cumming syndrome or campomelic syndrome, Cumming type) is an extremely rare, lethal congenital disorder characterized by multiple severe malformations. The condition was first described by Cumming and colleagues and is distinguished from other forms of campomelia (bowing of the long bones) by its specific constellation of features. Key clinical features include campomelia (bowing or curvature of the long bones, particularly the lower limbs), polycystic dysplastic kidneys, cervical lymphocystic hygroma, polysplenia, and other visceral abnormalities. Skeletal anomalies are prominent and may include poorly mineralized bones and fractures in addition to the characteristic limb bowing. Internal organ involvement is significant, with multicystic kidneys and abnormalities of the spleen being hallmark findings. Pancreatic and cardiac malformations have also been reported in affected individuals. This condition presents at birth or is detected prenatally, and affected infants typically do not survive the neonatal period due to the severity of the malformations. The disorder affects multiple body systems including the skeletal, renal, lymphatic, and splenic systems. Given the extremely limited number of cases reported in the medical literature, the pathogenesis remains poorly understood. There is no specific treatment or cure for Campomelia, Cumming type; management is supportive and palliative. Prenatal diagnosis may be possible through ultrasound detection of skeletal abnormalities, cystic kidneys, and cystic hygroma. Genetic counseling is recommended for affected families, as the recurrence pattern in reported cases suggests an autosomal recessive mode of inheritance.

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