Borjeson-Forssman-Lehmann Syndrome
Also known as: BFLS, Mental Retardation, Epilepsy, Gynecomastia Syndrome
Borjeson-Forssman-Lehmann Syndrome (BFLS) is a rare X-linked intellectual disability syndrome characterized by intellectual disability, epilepsy, endocrine abnormalities (gynecomastia in males, hypogonadism), characteristic facial features (large ears, ptosis), obesity, and short stature. The severity of symptoms can vary among affected individuals, even within the same family.
Borjeson-Forssman-Lehmann Syndrome is a rare problem that mostly affects boys. It makes it hard for them to learn, they might have seizures, and they can get bigger breasts. They also might be shorter and a bit chubby. Doctors can help with medicine and special classes.
Signs & Symptoms
- Intellectual disability (moderate to severe)
- Epilepsy (various seizure types)
- Gynecomastia (males)
- Hypogonadism (males)
- Obesity
- Short stature
- Characteristic facial features (large ears, ptosis, prominent supraorbital ridges)
- Tapered fingers and broad toes
- Learning disabilities
- Behavioral problems (hyperactivity, aggression, autism spectrum disorder)
Treatment Options
Anti-epileptic medications
MODERATELY EFFECTIVEHormone replacement therapy (testosterone)
MODERATELY EFFECTIVEEducational and behavioral therapy
SUPPORTIVEPhysical therapy
SUPPORTIVEOccupational therapy
SUPPORTIVESpeech therapy
SUPPORTIVENutritional support and weight management
SUPPORTIVESurgical management of gynecomastia
MODERATELY EFFECTIVEDiagnosis
- Clinical evaluation
- Physical examination
- Neurological assessment
- Endocrine evaluation (hormone levels)
- Genetic testing (sequencing of PHF6 gene)
- Brain MRI
- Electroencephalogram (EEG)
History
Borjeson-Forssman-Lehmann Syndrome was first described in 1962 by Börjeson, Forssman, and Lehmann in a Swedish family. The genetic basis of the syndrome, mutations in the PHF6 gene, was identified in 2003.
Recent Breakthroughs
Expanding the Phenotypic Spectrum of PHF6-related Disorders
Research continues to refine the understanding of the clinical variability associated with PHF6 mutations, including milder presentations in females and the identification of novel mutations.
Investigating the Role of PHF6 in Neuronal Development
Studies are ongoing to elucidate the precise mechanisms by which PHF6 mutations disrupt neuronal development and contribute to the cognitive and behavioral features of BFLS.