Welcome to Classifications and Online Calculators in Radiology

This site was build along with the Atlas of Radiology Images to support your knowledge in radiology.

You will find here:

that are used in radiology and related fields with free access.

Moreover:

  • Some pages are accompanied by illustrations
  • All pages contain tags for easy navigation
 

The concept

The concept of this website is based on a previous site that was founded in 2008 and is still up and running. The website is composed as a book, where all sources are properly referenced, according to a good practice in scientific publications.

Didn't find a classification?

 

    Featured page

    WHO grading of astrocytomas

    The WHO grading system is currently most widely used for grading of astrocytomas. The last revision was published in 2007. It has four cathegories.

    Grade Description Types
    Grade I slow growing, benign, localised pilocytic astrocytoma, xanthoastrocytoma, subependymal giant cell astrocytoma, subependymoma
    Grade II low grade, infiltrative, slow-growing low-grade (fibrillary) astrocytoma, mixed oligoastrocytoma
    Grade III anaplastic, infiltrative anaplastic astrocytoma
    Grade IV glioblastoma, necrosis glioblastoma multiforme

    References:

    1. Louis DN, Ohgaki H, Wiestler OD, Cavenee WK, Burger PC, Jouvet A, et al. The 2007 WHO classification of tumours of the central nervous system. Acta Neuropathol. 2007 Aug;114(2):97–109.

    Updated 9/8/2013 09:30 by Lambert
    See the page
    Syndicate content