Holzgreve syndrome

Holzgreve syndrome, also known as Holzgreve-Wagner-Rehder syndrome, is an extremely rare lethal multiple congenital anomaly syndrome first described in 1988. The condition is characterized by a distinctive combination of renal agenesis or severe renal dysgenesis, internal genital malformations, and craniofacial anomalies including cleft palate and micrognathia. Additional features may include intestinal malformations, cardiac defects, and limb anomalies. The syndrome affects multiple organ systems including the urogenital, craniofacial, gastrointestinal, and cardiovascular systems. The condition typically presents prenatally or at birth and is generally considered lethal in the neonatal period. Oligohydramnios (reduced amniotic fluid) is frequently observed during pregnancy as a consequence of the severe renal abnormalities. The Potter sequence — comprising pulmonary hypoplasia, characteristic facial features, and limb positioning defects secondary to oligohydramnios — may also be present. Due to the extreme rarity and lethal nature of Holzgreve syndrome, there are no established treatments. Management is supportive and palliative. Only a very small number of cases have been reported in the medical literature, limiting the understanding of the full phenotypic spectrum and underlying genetic etiology. Genetic counseling is recommended for affected families, particularly given the suspected autosomal recessive inheritance pattern observed in some reported familial cases.

Common questions about Holzgreve syndrome