Fragmented medial coronoid processThe most common form of elbow dysplasia is the fragmented
medial coronoid process of the ulna.
This involves a medial approach to the elbow joint on the opposite side to surgery for UAP, and both
the medial coronoid process of the ulna and the medial condyle of the humerus must be examined carefully.
Not exact matches
These abnormalities typically develop between four and eight months
of age and include osteochondritis dessicans (OCD)
of the
medial humeral condyle, ununited anconeal
process (UAP), joint incongruency, and fragmentation
of the
medial coronoid process (FCP).
The most common causes
of elbow pain in young dogs are elbow dysplasia, where fragments
of bone (
medial coronoid process) are present in the elbow joint and un-united anconeal
process where a portion
of one
of the bones that forms the elbow fails to fuse.
Additionally — in cranio - caudal radiographs osteophytes are most easily seen on the distal,
medial part
of the humeral condyle (f) and the
medial part
of the
coronoid process (g).
In this condition, either the
medial or lateral
coronoid process develops a fissure or crack and separates from the rest
of the bone.
Three different problems can cause elbow dysplasia - an ununited anconeal
process (UAP), a fragmented
coronoid process (FCP), or osteochondritis dissecans (OCD)
of the
medial humeral condyle.
Arthroscopy for treatment
of osteochondrosis dessicans (OCD), fragmented
medial coronoid process (FMCP), cranial cruciate ligament rupture (CCL), and meniscal injuries
Elbow Dysplasia — OCD
of the
medial humeral condyle, fractured
coronoid process.
These
processes are referred to as osteochondritis dissecans (OCD)
of the
medial humeral condyle, fragmented
medial coronoid process (FCP), and ununited anconeal
process (UAP).
From about 12 to 20 weeks
of age the
medial coronoid process undergoes ossification (turning cartilage in bone).
The resulting uneven pressure on the
medial coronoid process can develop cracks or fragments
of the
coronoid process.
OCD is a major cause
of elbow dysplasia and commonly occurs with fragmented
medial coronoid process.
Forelimb lameness due to fragmented
medial coronoid process (a component
of elbow dysplasia) is a common orthopedic condition
of large breed dogs such as Labrador Retrievers (Figure 1).
When Poulos was in Sweden working on his Ph.D., and with Professor Olsson, the
medial coronoid process was one
of their areas
of interest.
This causes incongruity within the joint, which leads to osteoarthrosis but may also cause fragmentation
of the
medial coronoid process, osteochondrosis
of the humeral condyle, ununited anconeal
process, or combinations thereof.»