Overview
Hennekam Beemer syndrome is an autosomal recessive disorder characterized by lymphedema, facial anomalies, intestinal lymphangiectasia, and moderate mental retardation 12.Diagnosis
Clinical Features: Mental retardation, limb lymphedema, facial anomalies, intestinal lymphangiectasia 12.
Diagnostic Tests:
- Duodenal biopsy to confirm intestinal lymphangiectasia 1.
- Cerebral MRI to identify potential cerebral abnormalities such as subcortical hyperintensities and cystic lesions 1.
Unique Findings:
- Presence of additional anomalies like congenital heart defects, atretic ear canals, vesicoureteral reflux, and rectal prolapse may expand the phenotype 2.Management
Supportive Care: Management focuses on symptomatic relief and supportive care for lymphedema, cognitive impairments, and associated anomalies 12.
Nutritional Support: Address nutritional needs due to potential gastrointestinal issues 12.
Multidisciplinary Approach: Collaboration with specialists including neurologists, cardiologists, and nephrologists for managing additional anomalies 2.Special Populations
Pediatrics: Early intervention for developmental delays and management of lymphedema is crucial 12.
Comorbidities: Careful monitoring and management of congenital heart defects and renal issues are essential 2.Key Recommendations
Confirm diagnosis with duodenal biopsy for intestinal lymphangiectasia (Evidence: Moderate 1).
Perform cerebral MRI to assess for cerebral abnormalities in patients with Hennekam syndrome (Evidence: Weak 1).
Implement a multidisciplinary approach to manage diverse manifestations including cardiac, renal, and neurological issues (Evidence: Expert opinion 2).References
1 Huppke P, Christen HJ, Sattler B, Hanefeld F. Two brothers with Hennekam syndrome and cerebral abnormalities. Clinical dysmorphology 2000. link
2 Angle B, Hersh JH. Expansion of the phenotype in Hennekam syndrome: a case with new manifestations. American journal of medical genetics 1997. link