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Dermatophagia. Dermatophagia (from Ancient Greek δέρμα — lit. skin and φαγεία lit. eating) or dermatodaxia (from δήξις, lit. biting) [3] is a compulsion disorder of gnawing or biting one's own skin, most commonly at the fingers. This action can either be conscious or unconscious [4] and it is considered to be a type of pica.
Life expectancy may be shortened by respiratory complications arising from weakness of the muscles that aid breathing and swallowing. It was first described in four patients by Vucic and colleagues [3] working at the Massachusetts General Hospital in the United States ; subsequent reports from the United Kingdom, [4] Europe and Asia [5] point ...
The prognosis for children with lissencephaly varies depending on the malformation and severity of the syndrome. Many individuals remain at a 3–5 month developmental level. Life expectancy is short and many children with lissencephaly will die before the age of 10.
A port-wine stain is visible under the nose. On the right side of a cheek, capillary malformations are present. Macrocephaly-capillary malformation ( M-CM) is a multiple malformation syndrome causing abnormal body and head overgrowth and cutaneous, vascular, neurologic, and limb abnormalities. Though not every patient has all features, commonly ...
Prognosis. According to a study of patients with Sanfilippo syndrome, the median life expectancy varies depending on the subtype. In Sanfilippo syndrome type A, the mean age at death (± standard deviation) was 15.22 ± 4.22 years. For type B, it was 18.91 ± 7.33 years, and for type C it was 23.43 ± 9.47 years.
Human life expectancy is a statistical measure of the estimate of the average remaining years of life at a given age. The most commonly used measure is life expectancy at birth (LEB, or in demographic notation e0, where ex denotes the average life remaining at age x ). This can be defined in two ways.
Life expectancy is between eight and twelve years of age. Juvenile NCL (JNCL): CLN3 encodes for CLN3, a lysosomal transmembrane protein. Adult NCL: CLN4 has no known associated protein. Finnish variant of late infantile NCL (fLINCL): CLN5 encodes for CLN5, a soluble lysosomal protein.
The mortality rate of early infantile Krabbe disease is 90% before the age of two. Later onset of symptoms is associated with longer life expectancy, with older children generally surviving two to seven years after the initial diagnosis. Krabbe disease occurs in about one in 100,000 births.
Children with progeria usually develop the first symptoms during their first few months of life. The earliest symptoms may include a failure to thrive and a localized scleroderma-like skin condition. As a child ages past infancy, additional conditions become apparent, usually around 18–24 months.
Juvenile Huntington's disease has a life expectancy rate of 10 years after onset of visible symptoms. Most life-threatening complications result from muscle coordination, and to a lesser extent, behavioral changes induced by declining cognitive function.