“…Histopathological examination of removed medial coronoid fragments was described by another study, showing clearly that fracture of the medial coronoid process is a degenerative process (5). We have seen similar "clean" joints with a straightforward fracture of the medial coronoid process in younger dogs as described by Tan et al, and wonder if it might it be worth a discussion regarding whether or not the syndrome of a true traumatic fracture of the medial coronoid process ("jump down syndrome") really exists (1). Without providing histopathological evidence showing features associated with acute trauma to the bone, the author's hypothesis remains just that, a hypothesis.…”