Soft tissue CHONDROMA of the Hoffa fat pad.
MRI. AX and SAG PD and T1. Heterogeneous expansive lobulated lesion with areas of ossification in Hoffa's fat pad.
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Transverse intermeniscal ligament rupture.
MRI. AX and SAG PD FS. Partial rupture of the transverse intermeniscal ligament close to the anterior horn of the medial meniscus.
Ramp lesion type V.
MRI. AX PD FS. MRI. SAG PD FS. Double vertical tear seen in posterior horn medial meniscus.
Fibroma of Tendon Sheath.
MRI. SAG T2 FS. MRI. AX T2 FS and AX T1. MRI. AX T1 FS C+. Well-defined oval mass abutting extensor tendon with low signal intensity on T1 and T2 WI and contrast enhancement.
Chronic Tophaceous Gout.
X-ray. Foot. Multiple tophi with faint calcifications, destructive arthropaty and eccentric erosions.
Os acromiale.
MRI. T1 SAG. X-ray. Neer. MRI. T2 FS. Os acromiale: mesoacromial subtype with degenerative changes.
Salter-Harris type IV Fracture
MRI. Ankle. Multiplanar fracture extends through the epiphysis, across the physis and through the metaphysis. 12 years old.
Acromioclavicular Joint Dislocation Type IV
CT. Complete rupture of A.C and C.C. ligaments. Clavicle displaced dorsal and posterior over acromion.
Pellegrini-Stieda lesion
X-ray. Ossified post-traumatic lesion at the medial femoral collateral ligament adjacent to medial femoral epicondyle.
Partial Lateral Patellar Facetectomy.
MRI. AX PD FS. X-ray. Patellar Facetectomy. X-ray. Normal Patella. Partial lateral patellar facetectomy for treatment of arthritis due to lateral patellar compression syndrome.
Subchondral insufficiency fracture.
MRI. COR PD FS. Small fracture below the chondral surface on the weight-bearing portion of femoral condyle with surrounding bone marrow edema.