AS with lateral foot pain ? AS erosion or gout

T1FS + C

Arachnoiditis

Lateral Downsloping of Acromion

Adhesive Capsulitis

Quadratus Femoris Muscle Strain or Minor Tear

Patella Tendon-Lateral Femoral Condyle Friction Syndrome

Grade III MCL Tear

Meniscal Flounce

Decussation Of Superior Cerebellar Peduncle Fibres

No to be mistaken for abnormal high signal on FLAIR and DWI in midbrain.

Peroneus Quartus

Peroneus quartus muscle and tendon.

Prevalence: 12-22%

Originates at the distal lateral portion of the fibula and descends medial and posterior to the peroneal tendons.

Insertion is variable and includes the retrotrochlear eminence of the calcaneus, the phalanx or the metatarsal bone of the fifth toe, the peroneal tendons, the lateral retinaculum of the ankle, and the cuboid bone.

Also: incidental Achilles Tendinosis

Plantar Fibroma

Can enhance in 50%!