Osteonecrosis of the knee comprises two separate disorders. The first one is called primary spontaneous osteonecrosis of the knee (SPONK), which was first described as a distinct entity by Ahlback et al. . Two main theories of the etiology of osteonecrosis have been advanced; a vascular arterial insult and trauma, but neither has been conclusively proved.
|Title of host publication||The Meniscus|
|Publisher||Springer Berlin Heidelberg|
|Number of pages||13|
|Publication status||Published - 2010|