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Okuno H, Sugita T, Kawamata T, Ohnuma M, Yamada N, Yoshizumi Y. Traumatic separation of a type I bipartite patella: a report of four knees. Clin Orthop 2004; 420(420): 257-60.

has been cited by the following article:


Multipartite Patella: Diagnosis Trap

1Department of Orthopedic Surgery and Traumatology, Ibn Sina UHC, Mohamed V University, Rabat, Morocco

American Journal of Medical Case Reports. 2018, Vol. 6 No. 6, 114-116
DOI: 10.12691/ajmcr-6-6-4
Copyright © 2018 Science and Education Publishing

Cite this paper:
A. LAGDID, M. Boufettal, RA. Bassir, M. KHARMAZ, MO Lamrani, M. Ouadghiri, A. El Bardouni, M. MAHFOUD, M.S. BERRADA. Multipartite Patella: Diagnosis Trap. American Journal of Medical Case Reports. 2018; 6(6):114-116. doi: 10.12691/ajmcr-6-6-4.

Correspondence to: A.  LAGDID, Department of Orthopedic Surgery and Traumatology, Ibn Sina UHC, Mohamed V University, Rabat, Morocco. Email:


Our study reports a case of a multipartite patella that was initially diagnosed as a patellar fracture in a traumatic context but in view of the smooth, regular and dense appearance of the fracture traits, a comparative radiological evaluation of the other knee was necessary, which precluded the diagnosis of fracture in favor of a multipartite patella with knee sprain treated by immobilization and treatment anti-inflammatory with a good evolution, hence the interests of performing a comparative radiological assessment of the contralateral knee in front of any patellar fracture. The multipartite patella is recognized as a developmental anomaly of ossification. Most of them are asymptomatic and are discovered incidentally. The multipartite patella is sometimes misdiagnosed as a patellar fracture, because the x-ray images of both these conditions may appear very similar.