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Microcephaly (from Neo-Latin microcephalia, from Ancient Greek μικρός mikrós "small" and κεφαλή kephalé "head" [2]) is a medical condition involving a smaller-than-normal head. [3] Microcephaly may be present at birth or it may develop in the first few years of life. [3]
Microcephaly can be primary, where the brain fails to develop properly during pregnancy, or secondary, where the brain is normal sized at birth but fails to grow as the child ages. [2] Abnormalities will be observed progressively after birth whereby the child will display stunted growth and physical and cognitive development.
Seckel syndrome, or microcephalic primordial dwarfism (also known as bird-headed dwarfism, Harper's syndrome, Virchow–Seckel dwarfism and bird-headed dwarf of Seckel [1]) is an extremely rare congenital nanosomic disorder.
Infections that develop one month after the birth of the infant are ... microcephaly (small head), low birth ... Up to 3.3 million newborns die each year and 23.4% of ...
Signs of microcephaly may develop a few months after birth. There was an epidemic in 2015 and 2016 in the Americas. The outbreak began in April 2015 in Brazil, and spread to other countries in South America, Central America, North America, and the Caribbean.
For infants who are infected by their mothers before birth, two potential adverse scenarios exist: Generalized infection may occur in the infant, and can cause complications such as low birth weight, microcephaly, seizures, petechial rash similar to the "blueberry muffin" rash of congenital rubella syndrome, and moderate hepatosplenomegaly (with jaundice).
Amish lethal microcephaly is a rare genetic disorder which is characterized by severe microcephaly (small head) from birth, brain hypoplasia (underdeveloped brain), micrognathia (small chin), irritability (at second or third month of age), seizures, problems controlling their body temperature, high levels of alpha-ketogluraic acid in their urine, [2] and less commonly hepatomegaly (large liver).
The symptoms of Filippi Syndrome can be congenital (apparent as an infant). [1] The occurrence and severity of such symptoms are variable across affected individuals. [1] [2] The progression of symptoms over one's lifetime has not been thoroughly studied due to the small number of people with Filippi Syndrome globally.