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Osteochondritis dissicans (Clinical presentation (Knee pain, Locking,…
Osteochondritis dissicans
Definition
Orthopedic disorder
of persistent knee pain
in active adolescents
Epidemiology
Teenagers
Pathophysiology
Defect
Physical activity causing avascular
necrosis of the medial femoral epicondyle
Mechanism
Separation of bone and cartilage, causing pain
Separation of bone fragments (instability, locking)
Clinical
presentation
Knee pain
Locking
Instability
Diagnosis
Examination
Musculoskeletal exam
Localised tenderness on femoral condyles
May be swollen
Investigations
Imaging
X-ray knee: may see fragments
History
DH
Meds, allergies
FH
Orthopedic conditions
PMH
Growth and development
Known medial conditions
SH
Living arrangements, school,
activity levels, diet
PC/HPC
Knee pain, locking, instability;
pain worse after exercise
Management
Conservative
Information, advice, support
Lifestyle (rest)
Physiotherapy (quad exercises)
Surgical
Arthroscopy
Indication: severe cases
MOA: remove debry