Os acromialeAuthor - Dipankar Bhattacharyya Os Acromiale is present when the anterior portion of the acromion has one or more separate ossicles. Uncommon anatomical variant.Incidence reported to be 8 % in cadaver study (JBJS-A- 2000 82-3) Caused by failure of fusion of one or more of the ossification centres of the acromion. Acromion is ossified from 3 centres—Preacromion (pa) Mesoacromion (msa) Metacromion (mta). These appear by age 15 and should fuse with each other and then to the Basiacromion (ba) by age 25. This is a preview of the site content. To view the full text for this site, you need to log in. If you are having problems logging in, please refer to the login help page. |
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