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Clinically, patients present with microcephaly and significant developmental delay. While some patients may be able to walk, others may not due to spasticity of limbs and hypotonic muscle tone, with progressive degeneration over time. Patients may also present with seizures, ranging from single febrile seizure to intractable epilepsy.
Microcephaly generally is due to the diminished size of the largest part of the human brain, the cerebral cortex, and the condition can arise during embryonic and fetal development due to insufficient neural stem cell proliferation, impaired or premature neurogenesis, the death of neural stem cells or neurons, or a combination of these factors ...
Certain mutations in MCPH1, when homozygous, cause primary microcephaly—a severely diminished brain. [ 5 ] [ 6 ] [ 7 ] Hence, it has been assumed that variants have a role in brain development. [ 8 ] [ 9 ] However, in normal individuals no effect on mental ability or behavior has yet been demonstrated in either this or another similarly ...
Achalasia microcephaly; Chest x-ray of an individual with achalasia. The arrows point to the areas of extreme esophageal dilation. Symptoms: Manifestation of achalasia: regurgitation, vomiting and dysphagia, alongside diagnosis of microcephaly: abnormally small head size below the third percentile as well as mild to moderate mental retardation.
Mandibulofacial dysostosis with microcephaly syndrome, also known as growth delay-intellectual disability-mandibulofacial dysostosis-microcephaly-cleft palate syndrome, mandibulofacial dysostosis, guion-almeida type, or simply as MFDM syndrome is a rare genetic disorder which is characterized by developmental delays, intellectual disabilities, and craniofacial dysmorphisms.
Treatment Immunoglobulin replacement, HSCT [ 1 ] Cernunnos deficiency is a form of combined immunodeficiency characterized by microcephaly , due to mutations in the NHEJ1 gene, it is inherited via autosomal recessive manner [ 2 ] [ 1 ] Management for this condition is antiviral prophylaxis and antibiotic treatment.
Mental retardation and microcephaly with pontine and cerebellar hypoplasia (MICPCH) – also known as mental retardation, X-linked, syndromic, Najm type (MRXSNA); X-linked intellectual deficit, Najm type; intellectual developmental disorder, X-linked, syndromic, Najm type; X-linked intellectual disability–microcephaly–pontocerebellar hypoplasia syndrome; and by variations of these terms ...
Encephaloceles are often accompanied by craniofacial abnormalities or other brain malformations. Symptoms may include neurologic problems, hydrocephalus (cerebrospinal fluid accumulated in the brain), spastic quadriplegia (paralysis of the limbs), microcephaly (an abnormally small head), ataxia (uncoordinated muscle movement), developmental delay, vision problems, mental and growth retardation ...