Aims and objectives
Posteromedial corner of the knee (PMC) injuries are relatively uncommon.
It isimportant for the radiologist to be aware of the PMC because of the potential forthe development of anteromedial rotational instability (AMRI) resulting from injury to the posteromedial corner.
injury is normally the result of a hyperextension injury to knee particularly when the knee is under valgus stress.
Here the authors present a case report of a unique sequelae of PMC injury in a paediatric patient,
discuss the reported epidemiology of PMC injuries,
Methods and materials
Definition: The Posteromedial Corner of the knee is the anatomical space bounded by the superficial medial collateral ligament medially and the Posterior cruciate ligament posteriorly (figures 1 [axial MR image demonstrating the boundaries of the PMC] and figure 3 [anatomical pictures demonstrating the ligaentous anatomy of the PMC]).
The authors undertook a literature review on Pubmed and Embase on "posteromedial corner injuries" from 1970 onwards in the English language.
All articles were read by S.M.C,
articles which were suitable for inclusion in the poster were...
Case report: We present the case of a 6 year old male who whilst jumping on a trampoline suffered an injury to his left knee.
He has no past medical history of note,
no allergies and no heritable risk factors for musculoskeletal disease.
On examination at time of clinic visit his knee was swollen,
painful on passive extension and he was unable to fully extend his knee (hence it was imaged in a flexed position,
see MR images).
Plain film imaging of the joint at...
Posteromedial corner injuries should always be considered in complex knee trauma.Posteromedial corner injuries are associated with Anteromedial Rotational Instability of the knee (AMRI).
Posterior cruciate ligament (PCL) injuries associated with PMC injuries are especially important for the radiologist to identify for surgical management as these structures can often be damaged together and if one is repaired without the other being repaired it can lead to failure of the repair and instability of the knee.
Also notably,trampoline injuries are an important and emerging source of paediatric...
Department of Surgery,
Royal Perth Hospital,
Department of Diagnostic Radiology,
Sligo General Hospital,
Republic of Ireland
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