Patella tripartita with impingement
Tripartite patella on left side with pain located over patella.
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Increased activity on the lateral aspect of the left patella and the smallest accessory osseous part of a tripartite patella, which is laterally located relative to the trochlea. The main part of the patella shows no increased activity.
Images suggestive of impingement of accessory lateral ossicle of patella.
Pain associated with multipartite patella has been described in the context of trauma 1-3.
- 1. Oohashi Y, Koshino T, Oohashi Y. Clinical features and classification of bipartite or tripartite patella. Knee Surg Sports Traumatol Arthrosc. 2010;18 (11): 1465-9. doi:10.1007/s00167-010-1047-y - Pubmed citation
- 2. Oohashi Y. Developmental anomaly of ossification type patella partita. Knee Surg Sports Traumatol Arthrosc. 2015;23 (4): 1071-6. doi:10.1007/s00167-014-2887-7 - Pubmed citation
- 3. Iossifidis A, Brueton RN. Painful bipartite patella following injury. Injury. 1995;26 (3): 175-6. Pubmed citation