- Cause : trauma.
- Signs : acute onset lameness with soft tissue swelling and pain around sesamoid bones.
- Reduced range of movement of metacarpo/metatarso-phalangeal joints.
- Pain and crepitus on flexion and extension of the affected joint.
- Diagnosis : history, signs, radiography.
- Treatment : conservative support dressings adequate for pet dog; surgical removal of fractured sesamoid is usual in sporting dogs.
- Prognosis : good.
- Acute, severe pain and swelling of the area surrounding the sesamoid bone.
- Focal pain is present for several weeks.
- Crepitus and pain on manipulation of the affected metacarpo/metatarso-phalangeal joint.
- Radiographs confirm diagnosis.
Expected response to treatment
- Monitor lameness and pain response to palpation of the affected sesamoid bone and flexion and extension of the affected metacarpo-phalangeal joint.
Reasons for treatment failure
- Lameness still present after 6 weeks of conservative management → proceed to surgical excision.
- Chronic cases may remain lame even after surgical resection due to degenerative osteoarthritis of the metacarpo/metatarso-phalangeal joint.