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The Burstein, Papille et. al classification of germinal matrix haemorrhage was based on cranial ultrasound findings in neonates.The classification has 4 grades. Grade Ihaemorrhage within the ge ...

Isocitrate dehydrogenase (IDH) is an enzyme in the Kreb cycle. IDH mutations are see in brain tumours. The IDH mutations are associated with better prognosis. IDH are seen more in secondary ...

Hydrocephalus is often associated with paediatric posterior fossa tumours. About 75% of patients at the time of presentation have hydrocephalus. Following resection of posterior fossa tumours, 1/3 of ...

Chiari I has protean clinical manifestations (1). Tics in patients with Chiari I malformation is very rare; in these cases, it is thought that the Chiari I malformation and the tic are unrelated. ...

DefinitionCalcified cephalohaematoma is cephalohaematoma that is calcified.Cephalohaematoma is haematology under the periosteum and teh outer table of skull. This occurs following instrumented ...

There are currently several classifications for levels of evidence. The following is a classification cited in the Journal of Neurosurgery (Editorial. JT Rutka).Evidence LevelDescriptionIi) Randomised ...

Prominent external occipital protuberance could be primary or, due to enthesophyte of the tendons attached to the external occipital protuberance . ReferencesShahar D, Sayers MG. A morphological a ...

Overview Mode, modal class and modal category are similar statistics that relate to the 'most popular' data point within data-sets. Mode If the data that you have collected is numerical, the mode is ...

Overview Descriptive statistics is a collection of statistical tests that describe the basic statistics of the data. Table 1 summarises the statistics that constitute descriptive statistics. ...

Normal distribution is a type of statistical distribution. It is also called Gaussian distribution. When you plot the data which has a normal distribution against its frequency (e.g. height on the ...