62-Dr Ahmed Esawy imaging oral board knee imaging part III

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Transcript of 62-Dr Ahmed Esawy imaging oral board knee imaging part III

normal Extensor mechanism: The quadriceps tendon comes in three

layers (orange arrow). Patellar tendon (blue arrow) and

quadriceps tendon have a sharp posterior demarcation

Osteochondritis dissecans OCDon MRT T2,STIRR

OSTEOCHONDRITIS DISSECANS: SITES OF PREDILECTION

Osteoehondritis Dissecans: Sites of Predilection

Knee Imaging: MRI OCDOsteochondritis Dissecans (OCD)

Anterior Knee Pain

Lateral Patellar Dislocation

Lateral Patellar Dislocation

Lateral Patellar Dislocation

Medial Patellofemoral Ligament

Lateral Patellar Dislocation

Lateral Patellar Dislocation

Lateral Patellar Dislocation

Osteochondritis Dissecans

Dorsal Defect of Patella

Dorsal Defect of the Patella

Bipartite Patella

Excessive Lateral Pressure Syndrome

TRANSIENT PATELLAR DISLOCATION

Patella alta

Patella_Baja

Chondromalacia Pattela

MRI stage

Stage III

Stage IV

PIGMENTED VILLONODULAR SYNOVITIS

Synovial Plicae of the Knee

MEDIAL PLICA SYNDROME

Knee Imaging: Synovial Plicae

Suprapatellar Plica

Infrapatellar Plica

Mediopatellar Plica

Lateral Patellar Plica

Diagram demonstrating how the width of the

plica was measured.

Diagram demonstrating how the thickness of

the plica was measured.

Infrapatellar plica. It is often fan-shaped, widening as it descends from the intercondylar notch to the infrapatellar fat pad. With two alar folds (arrows).

Bursae and cysts around the knee

Knee Imaging: Bursa

Knee Imaging: Synovial Cysts

Knee Imaging: Synovial Cysts

In Brief

Popliteal (Baker's) cyst

Radiological assessment

FT: popliteal cyst originating between semimembranosus tendon (red arrow) and gastrocnemius muscle and tendon (green arrow).RIGHT: ruptured

popliteal cyst with fluid tracking down the muscles.

Prepatellar bursitis

Deep infrapatellar bursitis

medial collateral ligament bursitis located between the deep MCL (yellow arrow) and the superficial MCL

(green arrow).

Meniscal cyst

Radiological assessment

Ganglion Cysts

Radiological assessment

Bursitis

Patellar bursitis

Pes anserinus.

C-Iliotibial bursitis.

INTERCONDYLAR NOTCH CYST

Tumours around knee

Synovial chondromatosis.

Synovial chondromatosis