Traumatic fracture of the medial coronoid process in 24 dogs

Abstract

Traumatic fracture of the medial coronoid process should be considered a clinical disease distinct from dysplasia-related fragmentation and should be considered as a differential diagnosis in dogs that are presented with the complaint of acute unilateral elbow discomfort or lameness, especially after concussive activities involving the forelimb. .

Fragmented medial coronoid process in a cat

“…Traumatic MCP fracture is a relatively uncommon phenomenon that may or may not be associated with elbow dysplasia 10 . It has been described most commonly in large and medium breed dogs, as well as dogs as small as a chihuahua 6 .…”

“…Traumatic MCP fracture is a relatively uncommon phenomenon that may or may not be associated with elbow dysplasia. 10 It has been described most commonly in large and medium breed dogs, as well as dogs as small as a chihuahua. 6 Historically, there has only been one other instance of this fracture type being described in a cat, and it was not clear whether that was due to an underlying predisposition to FMCP or trauma alone.…”

“…This is considered to be a separate disease manifestation to acute traumatic fracture of the MCP, which can result in a single, large, non‐displaced fragment of the MCP 9 . This has been shown to occur in dogs diagnosed with elbow dysplasia, but also in dogs without this disease process 10 . Traumatic fractures of the MCP do not display histological signs of osteochondrosis, and present without thickening or degeneration of the cartilage with a well‐organised cartilage growth pattern 11…”

“…Traumatic FMCP has been frequently documented along with other traumatic events of the elbow joint 12 . However, traumatic FMCP on its own has been documented in a limited number of large breed dogs, where oscillating forces were exerted to the thoracic limbs 10 . In these cases, there were no joint incongruity and no subchondral bone sclerosis on radiography and arthroscopy but rather there was evident healthy subchondral bone.…”

“…12 However, traumatic FMCP on its own has been documented in a limited number of large breed dogs, where oscillating forces were exerted to the thoracic limbs. 10 In these cases, there were no joint incongruity and no subchondral bone sclerosis on radiography and arthroscopy but rather there was evident healthy subchondral bone. To the authors' knowledge, only one report of traumatic FMCP has been documented in a toy breed dog 6 and one possible case in a cat.…”