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70s, the rules of

A mnemonic for CNS tumors
70s, rule of
General 70% are primary CNS neoplasms, 70% of primary CNS neoplasms are glial, 70% of primary glial tumors are astrocytomas; 70% of astrocytomas are high grade
Children 70% of tumors arise in the posterior fossa, 70% of those occurring before age 2 are medulloblastomas; 70% of supratentorial tumors are craniopharyngiomas
Adults 70% are in the hemispheres, 70% of those in the pineal region are germinomas, 70% of those in the pituitary gland are adenomas, of which 70% are chromophobe adenomas
References in periodicals archive ?
Children are less likely to work when their parents can get jobs.
Classroom studies indicate that specific educational practices such as choice in activities tend to increase the self-regulatory behaviors of primary aged children as well as older children (Perry, 1998).
Just as it is unwise to generalize about students as if all students were the same or about parents as if all parents or all families were the same, so it is unwise to generalize about all parents of children with special needs, making the assumption that they are all the same.
The research was guided by two main questions: (1) what are the common factors of low-SES homes from which children are able to achieve academic success, and (2) do some low-SES children succeed simply because they are resilient and would succeed no matter what type of home they were in?
However, participant observation in naturalistic settings is emerging as a technique that is particularly well suited to studying young children in a variety of contexts.
Children at high risk for TB infection include contacts of persons with active TB; those who are foreign-born; those who travel to or have household visitors from a country with a high TB prevalence such as Mexico, the Philippines, Vietnam, India, and China (8); contacts with high-risk adults, including those who are homeless, incarcerated, infected with HIV, or intravenous drug users; and those with chronic conditions such as diabetes mellitus, renal failure, malnutrition, or other immunodeficiencies (6, 7).
It is difficult to estimate rates of sexual abuse among children with disabilities.
Recognition among policy makers of the unique vulnerability of children had its origins in the United States and dates from the publication in 1993 of the National Research Council (NRC) report Pesticides in the Diets of Infants and Children (National Research Council 1993).
Among the fruits of their labor are biographies of legends like Cesar Chavez and Malcolm X, as well as stories of children from immigrant and migrant communities.
Nevertheless, and in spite of the fact that the family in Latin America is considered to be of extreme importance historically and in the present, children and childhood in Latin America have been notably absent from the literature.
Basing its report on 1994/95 and 2000/01 data collected by the National Longitudinal Survey of Children and Youth on children aged six months to five years, the agency found the use of child care increased for all children within the age group regardless of the children's background, including children aged one to five years of age, children of single or two-parent families, children from lower or higher income households, and children living in rural or urban communities.

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