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.

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    Shoulder impingement syndrome - Neer classification

    Neer classification divides lesions of the rotator cuff into three stages that typically succeed in this order during one's life.

    Stage Description Age group
    Stage I actue inflammation, edema, hemorrhage in the rotator cuff younger patients <25 years
    Stage II progression to fibrosis and tendinitis of the rotator cuff usually between 25 and 40 years
    Stage III mechanical disruption of the rotator cuff tendons (tear), changes in the coracoacromial arch and osteophytes along the acromion usually >40 years

    References:

    1. Neer CS 2nd. Impingement lesions. Clin Orthop Relat Res. 1983 Mar;(173):70–7
    2. Chang WK. Shoulder impoingement syndrome. Phys Med Rehabil Clin N Am. 2004;15:493–510
    3. NeerII CS. Anterior Acromioplasty for the Chronic Impingement Syndrome in the Shoulder. J Bone Joint Surg Am. 2005 Jun 1;87(6):1399–1399.

    Updated 17/11/2013 10:20 by Lambert
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