Microdeletion 3q syndrome

Area of Science:

• Genetics
• Clinical Medicine
• Developmental Biology

Background:

• Microdeletion 3q syndrome is a rare genetic disorder with an unknown incidence, often presenting with complex congenital anomalies.
• A multidisciplinary approach is essential for comprehensive evaluation and management of patients with this syndrome.
• This study focuses on a specific case to elucidate the salient features and challenges associated with 3q interstitial chromosome deletion (q22.1-q25.2).

Observation:

• The patient, a 5-month-old boy, exhibited a spectrum of malformations including microcephaly, microphthalmia, facial dysmorphism, short neck with pterygium, and arthrogryposis.
• Additional features included Dandy-walker malformation with cerebellar vermis hypoplasia, physical and motor development delay, and gastroesophageal reflux.
• The constellation of findings suggested contiguous gene syndrome, encompassing Dandy-Walker syndrome, Pierre-Robin sequence, and Seckel syndrome.

Findings:

• Genetic analysis confirmed a 3q interstitial chromosome deletion (q22.1-q25.2).
• The patient presented with a distinct set of craniofacial, skeletal, and neurological abnormalities.
• Developmental delay was a significant outcome, necessitating early intervention.

Implications:

• Accurate diagnosis through genetic analysis and a multidisciplinary team is vital for establishing appropriate management and assistive programs.
• Surgical interventions are critical for addressing malformations that impede normal development and social integration.
• This case underscores the importance of a holistic approach in managing rare genetic syndromes with multiple congenital anomalies.