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KBG syndrome.

Francesco Brancati1, Anna Sarkozy, Bruno Dallapiccola

  • 1CSS Hospital, IRCCS, San Giovanni Rotondo and CSS-Mendel Institute, Rome, Italy. f.brancati@css-mendel.it

Orphanet Journal of Rare Diseases
|December 14, 2006
PubMed
Summary
This summary is machine-generated.

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KBG syndrome is a rare genetic disorder with distinct facial features, dental abnormalities, and developmental delays. Early diagnosis and management are crucial for affected individuals.

Area of Science:

  • Genetics
  • Pediatrics
  • Rare Diseases

Background:

  • KBG syndrome is a rare genetic disorder characterized by distinctive facial dysmorphism, macrodontia of upper central incisors, skeletal anomalies (primarily costovertebral), and developmental delay.
  • Reported in 45 patients to date, key features include short stature, electroencephalogram (EEG) anomalies, and abnormal hair implantation, occurring in over half of cases.
  • Less common findings include syndactyly, webbed short neck, cryptorchidism, hearing loss, palatal defects, strabismus, and congenital heart defects.

Purpose of the Study:

  • To summarize the clinical characteristics and diagnostic considerations of KBG syndrome.
  • To highlight the importance of early diagnosis and comprehensive management planning for KBG syndrome patients.

Main Methods:

  • Review of existing literature and patient case reports on KBG syndrome.

Related Experiment Videos

  • Analysis of common and less common clinical manifestations.
  • Discussion of diagnostic criteria and management strategies.

    • Main Results:

    • KBG syndrome presents with a spectrum of features, with facial dysmorphism, macrodontia, skeletal anomalies, and developmental delay being principal indicators.
    • Autosomal dominant inheritance is observed, often transmitted maternally with milder presentations in the carrier mother.
    • Diagnosis relies on clinical findings, typically confirmed after permanent incisor eruption (7-8 years old), necessitating early management planning.

    Conclusions:

    • KBG syndrome diagnosis is primarily clinical, emphasizing the need for a thorough developmental assessment and early intervention programs.
    • Comprehensive follow-up including EEG, orthodontic, skeletal, auditory, and ophthalmologic evaluations is essential for optimal patient care.
    • Further research into the etiology of KBG syndrome is warranted to improve diagnostic accuracy and therapeutic approaches.