medial patellar plica
Medial
patellar plica • Medial patellar plica - Ganzer Fall bei Radiopaedia
Medial
patellar plica • Medial plica of the knee - Ganzer Fall bei Radiopaedia
An acquired
plica-induced notch in the medial femoral condyle in a patient with medial patellar plica syndrome: a case report. Preoperative axial (a) and sagittal (b) proton density-weighted images showing medial patellar plica (white arrows). c Idiopathic groove is observed in the articular surface of the medial femoral condyle (white asterisk). d Postoperative axial proton density-weighted image after excision of the medial patellar plica
An acquired
plica-induced notch in the medial femoral condyle in a patient with medial patellar plica syndrome: a case report. Intraoperative arthroscopic views. a Medial patellar plica (MPP) with a tight and hypertrophic margin is observed, along with an abnormal notch in articular surface of the medial femoral condyle beneath the MPP (black asterisk). b The MPP runs downwards and merges with the synovial membrane covering the infrapatellar fat pad. c The MPP becomes impinged in the patellofemoral joint above an abnormal notch of the medial femoral condyle (black asterisk). d The MPP is excised with scissor forceps
The medial patellar plica is one of the synovial plicae of the knee.
Gross anatomy
It is a fold of synovium and thought to represent embryologic remnants. It is considered the most symptomatic of all plicae.
Subtypes
The Sakakibara arthroscopic classification scheme is one used for the classification of medial patellar plicae:
- type A: consists of a cordlike elevation in the synovial wall
- type B: has a shelflike appearance but does not cover the anterior surface of the medial femoral condyle
- type C: large with a shelflike appearance and covers the anterior surface of the medial femoral condyle
- type D: plica has a central defect (fenestrated plica)
Radiographic features
MRI
- T2/PD: perhaps best seen on an axial image of an arthrographic study as a small band extending from the medial aspect of the knee joint
Related pathology
- medial patellar plica syndrome / medial plica irritation
Siehe auch:
und weiter:
Assoziationen und Differentialdiagnosen zu Plica mediopatellaris:
